Abstract
Abstract. Field experiments were carried out to evaluate the relative efficacy of organic manures in improving the productivity and pest tolerance of rice growing in a lateritic soil. The effects of three commercial manures: processed city waste (PCW), vermicompost (VC) and oil cake pellets (OCP), were assessed in comparison to farmyard manure (FYM) and inorganic fertilizer all at the same total N applied. Of the organic manures tested, FYM produced the maximum straw and grain yields. Differences in yield among the organic manure treatments were mainly attributed to variation in the amounts of available N, P, K and micronutrients. Effect of manures on soil physical condition was not studied. The uptake of N, P and K by rice plants with FYM was significantly greater than all other commercial manures and inorganic fertilizer. The tolerance of rice plants to attack by pathogens and pests, measured in terms of grain yield was highest in the treatment with FYM. Among the commercial manures PCW showed the greatest promise and emerged as a potential alternative to FYM.
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Claims 5
Claim · model-written summary
Farmyard manure produced the maximum rice straw and grain yields among organic manures.
- Taxon
- rice
Oryza sativat0 - Treatment
- FYMe0
- Outcome
- straw and grain yieldse0
- Direction
- maximume0
- Comparator
- organic manurese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Of the organic manures tested, FYM produced the maximum straw and grain yields.”
t0“rice”
Claim · model-written summary
Yield differences among organic manures were mainly attributed to available nutrient differences.
- Taxon
- riceOryza sativat0
- Outcome
- yielde0
- Qualifier
- variation in the amounts of available N, P, K and micronutrientse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences in yield among the organic manure treatments were mainly attributed to variation in the amounts of available N, P, K and micronutrients.”
t0“rice”
Claim · model-written summary
Farmyard manure significantly increased rice uptake of N, P and K compared with other manures and inorganic fertilizer.
- Taxon
- rice plantsOryza sativae0
- Treatment
- FYMe0
- Outcome
- uptake of N, P and Ke0
- Direction
- greatere0
- Comparator
- all other commercial manures and inorganic fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The uptake of N, P and K by rice plants with FYM was significantly greater than all other commercial manures and inorganic fertilizer.”
Claim · model-written summary
Rice tolerance to pathogen and pest attack, measured through grain yield, was highest with farmyard manure.
- Taxon
- rice plantsOryza sativae0
- Treatment
- FYMe0
- Outcome
- tolerance of rice plants to attack by pathogens and pestse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tolerance of rice plants to attack by pathogens and pests, measured in terms of grain yield was highest in the treatment with FYM.”
Claim · model-written summary
Processed city waste was considered the most promising commercial manure alternative to farmyard manure.
- Taxon
- riceOryza sativat0
- Treatment
- PCWe0
- Outcome
- potential alternative to FYMe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the commercial manures PCW showed the greatest promise and emerged as a potential alternative to FYM.”
t0“rice”
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