Paper · 2022 · International Journal of Plant & Soil Science

Fertilizer Effects on Panicle Characteristics, Grain Weight and Yield of Upland Rice in Lowlands of Taita Taveta, Kenya

Ruth Minoo Milela; Anne Kelly Kambura; Marianne Maghenda; et al.

8
claims
14
verbatim quotes
2
citations
1
research areas
✓
Open access

Abstract

This study was done at Mlughi Agricultural demonstration farm in Bura, Taita Taveta County-Kenya to test upland rice varietal performance and di-ammonium fertilizer effects on panicle characteristics and yield parameter. A randomized complete block design (RCBD) was used with seven upland rice varieties and three fertilizer levels. The treatments were replicated thrice to give a total of 63 treatment combinations or plots. The experiment was carried out for two seasons (short rains from October to December 2018 and long rains from March to May 2019). The upland rice varieties included 17KH09010014B, 17KH09010093B, AT 058, China Hybrid, NERICA 1, NERICA 4, and NERICA 10. The fertilizer treatments were di-ammonium phosphate fertilizer (DAP), farm yard manure (FYM), and a control of no fertilizer. Topdressing was done at the flowering stage with NPK fertilizer. Data collected included plant height, number of leaves, tiller number, panicle length, spikelets count per panicle, grain yield ha-1 and weight of 1000 grains. The data were subjected to multivariate analysis of variance (MANOVA) using R version 3.6.1 program and Tukey’s HSD test, p ≤ 0.05 was used to separate the significant means. The results showed that there was significant influence (p = 0.0001) of overall seasonal, treatment and variety on the yield of rice grains in tonnes per hectare. The 2018 season had the lowest tonnage compared to the 2019 season. Crops under the control treatment yielded the least tonnage per hectare while the DAP treated fields yielded the highest in both seasons. NERICA 4 was the highest yielding variety while AT 058 was the least yielding among the treatments in both seasons. It was therefore concluded that the application of DAP and FYM significantly increased rice productivity. Farmers are therefore encouraged to carry out soil fertility testing occasionally and to plant NERICA varieties.

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Claims 8

Observationobservedoriginal resultmeasured

Claim · model-written summary

Rice grain tonnage was lower in 2018 than in 2019.

Outcome
tonnagee0
Direction
loweste0
Comparator
2019 seasone0
Setting
Taita Taveta, Kenyat0

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

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

Verbatim

e0

“The 2018 season had the lowest tonnage compared to the 2019 season.”

✓ located verbatim in the source · abstract, characters 1369–1436 · show in text ↑
t0

“Upland Rice in Lowlands of Taita Taveta, Kenya”

✓ located verbatim in the source · title, characters 73–119 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

DAP-treated rice fields had the highest tonnage in both seasons relative to controls.

Treatment
DAPe0
Outcome
tonnage per hectaree0
Direction
higheste0
Qualifier
both seasonse0
Comparator
control treatmente0

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

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

Verbatim

e0

“Crops under the control treatment yielded the least tonnage per hectare while the DAP treated fields yielded the highest in both seasons.”

✓ located verbatim in the source · abstract, characters 1437–1574 · show in text ↑
t0

“Upland Rice”

✓ located verbatim in the source · title, characters 73–84 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

NERICA 4 was the highest yielding rice variety in both seasons.

Material
NERICA 4e0
Outcome
yieldinge0
Direction
higheste0
Qualifier
both seasonse0

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

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

Verbatim

e0

“NERICA 4 was the highest yielding variety while AT 058 was the least yielding among the treatments in both seasons.”

✓ located verbatim in the source · abstract, characters 1575–1690 · show in text ↑
t0

“Upland Rice”

✓ located verbatim in the source · title, characters 73–84 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

AT 058 was the least yielding rice variety in both seasons.

Material
AT 058e0
Outcome
yieldinge0
Direction
leaste0
Qualifier
both seasonse0

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

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

Verbatim

e0

“NERICA 4 was the highest yielding variety while AT 058 was the least yielding among the treatments in both seasons.”

✓ located verbatim in the source · abstract, characters 1575–1690 · show in text ↑
t0

“Upland Rice”

✓ located verbatim in the source · title, characters 73–84 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

DAP significantly increased rice productivity.

Treatment
DAPe0
Outcome
rice productivitye0
Direction
increasede0

Not reportedComparator

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

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

Verbatim

e0

“the application of DAP and FYM significantly increased rice productivity.”

✓ located verbatim in the source · abstract, characters 1723–1796 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

FYM significantly increased rice productivity.

Treatment
FYMe0
Outcome
rice productivitye0
Direction
increasede0

Not reportedComparator

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

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

Verbatim

e0

“the application of DAP and FYM significantly increased rice productivity.”

✓ located verbatim in the source · abstract, characters 1723–1796 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors encourage farmers to soil fertility testing occasionally.

Outcome
soil fertility testing occasionallye0

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

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

Verbatim

e0

“Farmers are therefore encouraged to carry out soil fertility testing occasionally and to plant NERICA varieties.”

✓ located verbatim in the source · abstract, characters 1797–1909 · show in text ↑
t0

“Upland Rice”

✓ located verbatim in the source · title, characters 73–84 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors encourage farmers to plant NERICA varieties.

Outcome
plant NERICA varietiese0

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

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

Verbatim

e0

“Farmers are therefore encouraged to carry out soil fertility testing occasionally and to plant NERICA varieties.”

✓ located verbatim in the source · abstract, characters 1797–1909 · show in text ↑
t0

“Upland Rice”

✓ located verbatim in the source · title, characters 73–84 · show in text ↑

diammonium hydrogen phosphate · yield · Oryza sativa (rice)Positive and negative results

12 papers: 11 positive, 1 negative or no effect

10 papers in the same direction as this paper · 1 in the opposite direction

  1. no effect
  2. positive
    Diammonium phosphate produced the highest rice yield.

    Phosphorus Nutrition of Rice Grown in Fe-Toxic Acid Haplaquent · 1996 · compared with Purulia rock phosphate and superphosphate in conjunction with Mussoorie rock phosphate

    Same direction

  3. positive

8 papers more in this group

See all 12 papers →

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

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this paper · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

3,451 papers more in this group

See all 3,455 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.