Effect of conjoint application of coated urea and organic manure on growth, productivity, profitability and nutrient acquisition of rice (Oryza sativa)

Abstract

A 2 years field experiment was carried out at experimental farm of BCKV, Nadia, West Bengal during kharif season of 2019-20 and 2020-21 to study the effect of combined application of coated urea and organic manure on performance of rice. The experiment was laid out in randomized complete block design (RCBD) with four replication and treatment comprised of five treatment combination such as T1- Control plot (without N); T2- 100% RDN through neem coated urea (NCU); T3- 75% RDN through NCU + 25% RDN through FYM (farm yard manure); T4- 100% RDN through polymer sulphur coated urea (PSCU); T5- 75% RDN through PSCU+25% RDN through FYM. The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes, yield components and yield of rice. The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha). Similarly significant maximum amount of total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK), protein yield (418 kg/ha), gross returns (71.8 x 103 Rs/ha), net return (52 x 103 Rs/ha) and B: C ratio (2.73) was noticed under T5 treatment as compared to the other treatments. Therefore, it is recommended to adopt a holistic nutrient management approach T5 (75% RDN through PSCU+25% RDN through FYM) in rice cultivation contribute to optimizing growth, yield, nutrient uptake and quality ultimately improving agricultural productivity, profitability and sustainability.

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Claims 17

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced taller taller plants (110.80 cm).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: taller plantse0
Direction: tallere0
Value: 110.80 cme0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

*Oryza sativa* · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced maximum number of effective tillers per square meter (415.90/m2).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: number of effective tillers per square metere0
Direction: maximume0
Value: 415.90/m2e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest DMA (740.02 g/m2).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: DMAe0
Direction: higheste0
Value: 740.02 g/m2e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest LAI (4.47).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: LAIe0
Direction: higheste0
Value: 4.47e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest CGR (6.56 g/m2/day).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: CGRe0
Direction: higheste0
Value: 6.56 g/m2/daye0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest panicle length (23.5 cm).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: panicle lengthe0
Direction: higheste0
Value: 23.5 cme0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest panicle weight (9.95 g).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: panicle weighte0
Direction: higheste0
Value: 9.95 ge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest number of filled grains per panicle (113).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: number of filled grains per paniclee0
Direction: higheste0
Value: 113e0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced highest test weight (21.30 g).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: test weighte0
Direction: higheste0
Value: 21.30 ge0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced maximum grain yield (4.79 t/ha).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: grain yielde0
Direction: maximume0
Value: 4.79 t/hae0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

75% RDN through PSCU+25% RDN through FYM produced maximum straw yield (5.53 t/ha).

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: 75% RDN through PSCU+25% RDN through FYMe0
Outcome: straw yielde0
Direction: maximume0
Value: 5.53 t/hae0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“The results showed that 75% RDN through PSCU+25% RDN through FYM have resulted in maximum growth attributes viz. taller plants (110.80 cm), maximum number of effective tillers per square meter (415.90/m2), highest DMA (740.02 g/m2), LAI (4.47) and CGR (6.56 g/m2/day), highest yield components like panicle length (23.5 cm), panicle weight (9.95 g), number of filled grains per panicle (113), and test weight (21.30 g) and maximum grain yield (4.79 t/ha) and straw yield (5.53 t/ha).”
✓ located verbatim in the source · abstract, characters 782–1265 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T5 had maximum total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK) compared with other treatments.

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: T5 treatmente0
Outcome: total nutrient uptake by crope0
Direction: maximume0
Value: 99.7, 40.1 and 208 kg/ha NPKe0
Comparator: the other treatmentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“Similarly significant maximum amount of total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK), protein yield (418 kg/ha), gross returns (71.8 x 103 Rs/ha), net return (52 x 103 Rs/ha) and B: C ratio (2.73) was noticed under T5 treatment as compared to the other treatments.”
✓ located verbatim in the source · abstract, characters 1266–1546 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T5 had maximum protein yield (418 kg/ha) compared with other treatments.

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: T5 treatmente0
Outcome: protein yielde0
Direction: maximume0
Value: 418 kg/hae0
Comparator: the other treatmentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“Similarly significant maximum amount of total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK), protein yield (418 kg/ha), gross returns (71.8 x 103 Rs/ha), net return (52 x 103 Rs/ha) and B: C ratio (2.73) was noticed under T5 treatment as compared to the other treatments.”
✓ located verbatim in the source · abstract, characters 1266–1546 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T5 had maximum gross returns (71.8 x 103 Rs/ha) compared with other treatments.

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: T5 treatmente0
Outcome: gross returnse0
Direction: maximume0
Value: 71.8 x 103 Rs/hae0
Comparator: the other treatmentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“Similarly significant maximum amount of total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK), protein yield (418 kg/ha), gross returns (71.8 x 103 Rs/ha), net return (52 x 103 Rs/ha) and B: C ratio (2.73) was noticed under T5 treatment as compared to the other treatments.”
✓ located verbatim in the source · abstract, characters 1266–1546 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T5 had maximum net return (52 x 103 Rs/ha) compared with other treatments.

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: T5 treatmente0
Outcome: net returne0
Direction: maximume0
Value: 52 x 103 Rs/hae0
Comparator: the other treatmentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“Similarly significant maximum amount of total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK), protein yield (418 kg/ha), gross returns (71.8 x 103 Rs/ha), net return (52 x 103 Rs/ha) and B: C ratio (2.73) was noticed under T5 treatment as compared to the other treatments.”
✓ located verbatim in the source · abstract, characters 1266–1546 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T5 had maximum B: C ratio (2.73) compared with other treatments.

Taxon: rice (Oryza sativa)Oryza sativat0
Treatment: T5 treatmente0
Outcome: B: C ratioe0
Direction: maximume0
Value: 2.73e0
Comparator: the other treatmentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“Similarly significant maximum amount of total nutrient uptake by crop (99.7, 40.1 and 208 kg/ha NPK), protein yield (418 kg/ha), gross returns (71.8 x 103 Rs/ha), net return (52 x 103 Rs/ha) and B: C ratio (2.73) was noticed under T5 treatment as compared to the other treatments.”
✓ located verbatim in the source · abstract, characters 1266–1546 · show in text ↑

t0
“rice (Oryza sativa)”
✓ located verbatim in the source · title, characters 132–151 · show in text ↑

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend T5 nutrient management for rice cultivation.

Taxon: riceOryza sativae0
Outcome: adopt a holistic nutrient management approach T5 (75% RDN through PSCU+25% RDN through FYM)e0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim

e0
“Therefore, it is recommended to adopt a holistic nutrient management approach T5 (75% RDN through PSCU+25% RDN through FYM) in rice cultivation contribute to optimizing growth, yield, nutrient uptake and quality ultimately improving agricultural productivity, profitability and sustainability.”
✓ located verbatim in the source · abstract, characters 1547–1840 · show in text ↑

sulfur atom · yield · Oryza sativa (rice)Results differ

51 papers: 47 positive, 4 negative or no effect

46 papers in the same direction as this paper · 4 in the opposite direction

no effect
Combined nitrogen, phosphorus, and sulfur deficiencies had no additive synergistic effect on strigolactone production.
Upregulation of DWARF27 is associated with increased strigolactone levels under sulfur deficiency in rice · 2018
Opposite directionAbout lacking this nutrient, so it counts the other way round
negative
In Inceptisol, omission of S reduced rice grain yield by 19.51%.
Assessment of Nutrient Deficiencies in Rice (Oryza sativa) through Nutrient Omission in Vertisol and Inceptisol of Chhattisgarh · 2018
Opposite direction
no effect
Sulphur application at 30 kg/ha did not influence rice-wheat productivity.
Production potential and economic analysis of direct-sown rice (Oryza sativa)- wheat (Triticum aestivum) system as influenced by rice varieties, nutrient management and weed-control measures · 2001
Opposite direction

47 papers more in this group

See all 51 papers →

sulfur atom · quality: grain · Oryza sativa (rice)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this paper

positive
Coated urea increased rice grain quality significantly.
Effects of sulfur and urease coated controlled release urea on dry matter yield, N uptake and grain quality of rice. · 2015 · compared with granular urea (GU) and control treatment
Same direction
positive
T5 gave test-weight of 21.3 g among the highest yield components.
Optimizing rice (Oryza sativa) growth, productivity, profitability and nutrient uptake with coated urea and organic manure in the new alluvial zone of West Bengal · 2024
Same direction
positive
T5 produced the highest test weight (21.30 g).
Effect of conjoint application of coated urea and organic manure on growth, productivity, profitability and nutrient acquisition of rice (Oryza sativa) · 2024
Same direction

1 paper more in this group

See all 5 papers →

sulfur atom · growth · Oryza sativa (rice)Results agree

21 papers: 21 positive, 0 negative or no effect

20 papers in the same direction as this paper

positive
Higher sulfur levels increased growth parameters relative to the lower sulfur level.
Sulfur Alleviates Growth Inhibition and Oxidative Stress Caused by Cadmium Toxicity in Rice · 2005 · compared with lower S level (0.2 mmol)
Same direction
positive
Sulfur fertilization significantly increases upland rice growth.
Upland Rice Growth and Mineral Nutrition as Affected by Cultivars and Sulfur Availability · 2012
Same direction
positive
Sulphur application positively affected rice growth parameters.
Effect of sulphur on growth, productivity and economics of aerobic rice (Oryza sativa) · 2014
Same direction

17 papers more in this group

See all 21 papers →

nitrogen · quality: grain · Oryza sativa (rice)Results differ

102 papers: 81 positive, 21 negative or no effect

80 papers in the same direction as this paper · 19 in the opposite direction · 2 reporting no difference from an alternative

negative
Excessive nitrogen deteriorated grain appearance, eating and nutritional quality.
Excessive Nitrogen Application Leads to Lower Rice Yield and Grain Quality by Inhibiting the Grain Filling of Inferior Grains · 2022
Opposite direction
no effect
Nitrogen had no significant effect on milling quality.
Water Management and Nitrogen Fertilization of Ratoon Crop Rice¹ · 1981
Opposite direction
negative
Delayed nitrogen application deteriorated cooking quality.
Effects of mid‐stage nitrogen application timing on the morphological structure and physicochemical properties of japonica rice starch · 2020
Opposite direction

98 papers more in this group

See all 102 papers →

fertilization · quality: grain · Oryza sativa (rice)Positive and negative results

148 papers: 129 positive, 19 negative or no effect

128 papers in the same direction as this paper · 17 in the opposite direction · 2 reporting no difference from an alternative

negative
NF had significantly decreased nutritional quality versus CF.
Effects of different types of fertilizers application on rice grain quality · 2019 · compared with CF
Opposite direction
negative
Head rice ratio was lower with liquid pig manure than chemical fertilizer.
Effect of Liquid Pig Manure and Synthetic Fertilizer on Rice Growth, Yield, and Quality · 2010 · compared with chemical fertilizer
Opposite direction
negative
With no nitrogen fertilizer, head rice yield decreased relative to applying all nitrogen at preflood or in split applications.
Effect of Nitrogen Fertilizer on Milling Quality of Rice (Oryza sativa) · 1988 · compared with applying all of the nitrogen at preflood or in split applications
Opposite direction

144 papers more in this group

See all 148 papers →

nitrogen · growth · Oryza sativa (rice)Positive and negative results

511 papers: 402 positive, 109 negative or no effect

401 papers in the same direction as this paper · 101 in the opposite direction · 8 reporting no difference from an alternative

negative
N-deprivation caused the maximum reduction in shoot growth of rice seedlings.
Seed Priming Alters the Production and Detoxification of Reactive Oxygen Intermediates in Rice Seedlings Grown under Sub-optimal Temperature and Nutrient Supply · 2016
Opposite direction
negative
Tungstate, an NR inhibitor, considerably inhibited lateral root initiation when applied in addition to PNN.
Nitric oxide generated by nitrate reductase increases nitrogen uptake capacity by inducing lateral root formation and inorganic nitrogen uptake under partial nitrate nutrition in rice · 2015 · compared with PNN
Opposite direction
negative
Higher nitrogen increased Wuyunjing23 plant height and inner culm diameters.
Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application Rates · 2016
Opposite direction

507 papers more in this group

See all 511 papers →

fertilization · growth · Oryza sativa (rice)Positive and negative results

759 papers: 670 positive, 89 negative or no effect

669 papers in the same direction as this paper · 81 in the opposite direction · 8 reporting no difference from an alternative

negative
Salt stress inhibited overall seedling growth.
A hydroponic rice seedling culture model system for investigating proteome of salt stress in rice leaf · 2005
Opposite direction
negative
Higher nitrogen increased Wuyunjing23 plant height and inner culm diameters.
Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application Rates · 2016
Opposite direction
negative
Increasing top-dressing N raised or reduced lodging rate as reported for two japonica rice varieties.
Top-dressing nitrogen fertilizer rate contributes to decrease culm physical strength by reducing structural carbohydrate content in japonica rice · 2016
Opposite direction

755 papers more in this group

See all 759 papers →

nitrogen · yield · Oryza sativa (rice)Positive and negative results

2,045 papers: 1,803 positive, 242 negative or no effect

1,802 papers in the same direction as this paper · 193 in the opposite direction · 49 reporting no difference from an alternative

positive
The neem-coated urea schedule produced 40 more grains per panicle than current practice.
Effect of neem-coated urea and application methods on nitrogen uptake and use efficiency of rice (Oryza sativa) in the coastal rainfed lowlands · 2001 · compared with current practice (T9)
Same directionCited by this paper
negative
Green manure and rice straw nitrogen, alone or in combination with inorganic N, gave lower grain yield, agronomic efficiency and apparent nitrogen uptake than a standard split application of prilled urea.
Long-term Comparison of the Agronomic Efficiency and Residual Benefits of Organic and Inorganic Nitrogen Sources for Tropical Lowland Rice · 1996 · compared with a standard split application of prilled urea
Opposite direction
negative
Chaffy grain number and chaffy grain weight per 5 panicles increased significantly with enhancing nitrogen doses.
Physiological response of rice (Oryza sativaL.) genotypes to elevated nitrogen applied under field conditions · 2014
Opposite direction

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8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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Abstract

Claims 17

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sulfur atom · yield · Oryza sativa (rice)Results differ

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fertilization · quality: grain · Oryza sativa (rice)Positive and negative results

nitrogen · growth · Oryza sativa (rice)Positive and negative results

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nitrogen · yield · Oryza sativa (rice)Positive and negative results