Paper · 2016 · Communications in Soil Science and Plant Analysis

Organic Amendments Influence on Soil Biological Indices and Yield in Rice-Based Cropping System in Coastal Sundarbans of India

Tarik Mitran; Pabitra Kumar Mani; Nirmalendu Basak; et al.

6
claims
13
verbatim quotes
28
citations
1
research areas
—
Not open access

Abstract

The present investigation was carried out in coastal Sundarbans of India to study the effects of farm yard manure, green leaf manure, and vermicompost on biological attributes of soils and yield in rice–tomato, rice–sunflower, and rice–chili cropping system over conventional farmer’s practices (control) by a strip-plot technique for the two consecutive years. The partial substitution of inorganic fertilizers through organics significantly increased the yield of various cropping systems. The use of organic materials significantly improved microbial biomass carbon, fluorescein diacetate hydrolyzing activities, dehydrogenase, and β-glucosidase activity over control, which varied in the tune of 51.6%, 67.4%, 50%, and 62.7%, respectively, due to variation in electrical conductivity (EC) of these soils. The improved soil microbial biomass and enzyme activities act as key driving factor for organic matter decomposition and nutrient transformation in organically amended soils which lead to better yield under such cropping sequences.

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Claims 6

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Partial substitution of inorganic fertilizers with organics significantly raised yield across the cropping systems.

Treatment
partial substitution of inorganic fertilizers through organicse0
Outcome
yield of various cropping systemse0
Direction
increasede0
Comparator
conventional farmer’s practices (control)e1

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 partial substitution of inorganic fertilizers through organics significantly increased the yield of various cropping systems.”

✓ located verbatim in the source · abstract, characters 362–491 · show in text ↑
t0

“Rice-Based Cropping System”

✓ located verbatim in the source · title, characters 69–95 · show in text ↑
e1

“over conventional farmer’s practices (control)”

✓ located verbatim in the source · abstract, characters 258–304 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Organic materials significantly increased soil microbial biomass carbon by 51.6% over control.

Treatment
organic materialse0
Outcome
microbial biomass carbone0
Direction
improvede0
Value
51.6%e0
Comparator
controle0

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 use of organic materials significantly improved microbial biomass carbon, fluorescein diacetate hydrolyzing activities, dehydrogenase, and β-glucosidase activity over control, which varied in the tune of 51.6%, 67.4%, 50%, and 62.7%, respectively, due to variation in electrical conductivity (EC) of these soils.”

✓ located verbatim in the source · abstract, characters 492–808 · show in text ↑
t0

“Rice-Based Cropping System”

✓ located verbatim in the source · title, characters 69–95 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Organic materials significantly increased soil fluorescein diacetate hydrolyzing activities by 67.4% over control.

Treatment
organic materialse0
Outcome
fluorescein diacetate hydrolyzing activitiese0
Direction
improvede0
Value
67.4%e0
Comparator
controle0

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 use of organic materials significantly improved microbial biomass carbon, fluorescein diacetate hydrolyzing activities, dehydrogenase, and β-glucosidase activity over control, which varied in the tune of 51.6%, 67.4%, 50%, and 62.7%, respectively, due to variation in electrical conductivity (EC) of these soils.”

✓ located verbatim in the source · abstract, characters 492–808 · show in text ↑
t0

“Rice-Based Cropping System”

✓ located verbatim in the source · title, characters 69–95 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Organic materials significantly increased soil dehydrogenase by 50% over control.

Treatment
organic materialse0
Outcome
dehydrogenasee0
Direction
improvede0
Value
50%e0
Comparator
controle0

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 use of organic materials significantly improved microbial biomass carbon, fluorescein diacetate hydrolyzing activities, dehydrogenase, and β-glucosidase activity over control, which varied in the tune of 51.6%, 67.4%, 50%, and 62.7%, respectively, due to variation in electrical conductivity (EC) of these soils.”

✓ located verbatim in the source · abstract, characters 492–808 · show in text ↑
t0

“Rice-Based Cropping System”

✓ located verbatim in the source · title, characters 69–95 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Organic materials significantly increased soil β-glucosidase activity by 62.7% over control.

Treatment
organic materialse0
Outcome
β-glucosidase activitye0
Direction
improvede0
Value
62.7%e0
Comparator
controle0

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 use of organic materials significantly improved microbial biomass carbon, fluorescein diacetate hydrolyzing activities, dehydrogenase, and β-glucosidase activity over control, which varied in the tune of 51.6%, 67.4%, 50%, and 62.7%, respectively, due to variation in electrical conductivity (EC) of these soils.”

✓ located verbatim in the source · abstract, characters 492–808 · show in text ↑
t0

“Rice-Based Cropping System”

✓ located verbatim in the source · title, characters 69–95 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Improved soil microbial biomass and enzyme activities are proposed to drive decomposition and nutrient transformation that improve yield.

Treatment
organically amended soilse0
Outcome
better yielde0
Qualifier
organic matter decomposition and nutrient transformatione0

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 improved soil microbial biomass and enzyme activities act as key driving factor for organic matter decomposition and nutrient transformation in organically amended soils which lead to better yield under such cropping sequences.”

✓ located verbatim in the source · abstract, characters 809–1040 · show in text ↑
t0

“Rice-Based Cropping System”

✓ located verbatim in the source · title, characters 69–95 · show in text ↑

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

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  3. positive

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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.