Abstract
A field experiment was conducted at Jorhat, Assam during 2004-05 and 2005-06 to find out an effective prac- tice of rice (Oryza sativa L.) straw management in wheat (Triticum aestivum L. emend. Fiori & Paol.) as a compo- nent of integrated nutrient management. Straw was incorporated @ 5 tlha with different decomposers, viz. starter N (one-third recommended dose of N), cellulose-decomposing microorganisms (CDM), earthworms culture (EC), EC + FYM, CDM + EC, FYM and starter N+ CDM + EC + lime. These decomposers significantly improved the yield and yield components in wheat compared with straw removal. Incorporation of rice straw @ 5 Vha under dual in- oculation of cellulose-decomposing microorganisms and earthworms improved the grain yield by 2.46 Vha. These also increased the nutrient uptake, available N, P, K in soil at harvest and benefit : cost ratio. Straw incorporation increased the organic C in the soil by 2-1 1% compared with straw removal. It also increased the microbial popula- tion in soil substantially irrespective of the decomposer used. Inoculation with CDM led to build-up of microbial population in the soil. Thus, rice straw incorporation with cellulose decomposing micro-organisms and earthworms resulted in higher yield, increased nutrient uptake, improved residual soil fertility and soil microorganism status and ultimately higher benefit : cost ratio of wheat.
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Claims 8
Claim · model-written summary
Decomposers with straw improved wheat yield and yield components relative to straw removal.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- These decomposerse0
- Outcome
- yield and yield componentse0
- Direction
- improvede0
- Comparator
- straw removale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These decomposers significantly improved the yield and yield components in wheat compared with straw removal.”
Claim · model-written summary
Rice straw with cellulose-decomposing microorganisms and earthworms improved wheat grain yield by 2.46 Vha.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Incorporation of rice straw @ 5 Vha under dual in- oculation of cellulose-decomposing microorganisms and earthwormse0
- Outcome
- grain yielde0
- Direction
- improvede0
- Value
- 2.46 Vhae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Incorporation of rice straw @ 5 Vha under dual in- oculation of cellulose-decomposing microorganisms and earthworms improved the grain yield by 2.46 Vha.”
t0“wheat”
Claim · model-written summary
The decomposer treatments increased nutrient uptake.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Thesee0
- Outcome
- nutrient uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These also increased the nutrient uptake, available N, P, K in soil at harvest and benefit : cost ratio.”
t0“wheat”
Claim · model-written summary
The decomposer treatments increased available soil N, P and K at harvest.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Thesee0
- Outcome
- available N, P, K in soil at harveste0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These also increased the nutrient uptake, available N, P, K in soil at harvest and benefit : cost ratio.”
t0“wheat”
Claim · model-written summary
The decomposer treatments increased the benefit to cost ratio.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Thesee0
- Outcome
- benefit : cost ratioe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These also increased the nutrient uptake, available N, P, K in soil at harvest and benefit : cost ratio.”
t0“wheat”
Claim · model-written summary
Straw incorporation increased soil organic carbon by 2-1 1% relative to straw removal.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Straw incorporatione0
- Outcome
- organic C in the soile0
- Direction
- increasede0
- Value
- 2-1 1%e0
- Comparator
- straw removale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Straw incorporation increased the organic C in the soil by 2-1 1% compared with straw removal.”
t0“wheat”
Claim · model-written summary
Straw incorporation substantially increased soil microbial population regardless of decomposer.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- straw managementt0
- Outcome
- microbial popula- tion in soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It also increased the microbial popula- tion in soil substantially irrespective of the decomposer used.”
t0“Effect of rice (Oryza sativa) straw management on growth and yield of wheat (Triticum aestivum)”
Claim · model-written summary
CDM inoculation built up the soil microbial population.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Inoculation with CDMe0
- Outcome
- microbial population in the soile0
- Direction
- build-upe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation with CDM led to build-up of microbial population in the soil.”
t0“wheat”
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See all 614 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.