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Influence of Tillage and Nutrient Sources on Yield Sustainability and Soil Quality under Sorghum– Mung Bean System in Rainfed Semi-arid Tropics

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Title Influence of Tillage and Nutrient Sources on Yield Sustainability and Soil Quality under Sorghum– Mung Bean System in Rainfed Semi-arid Tropics
Influence of Tillage and Nutrient Sources on Yield Sustainability and Soil Quality under Sorghum– Mung Bean System in Rainfed Semi-arid Tropics
 
Creator ICAR_CRIDA
 
Subject Alfisols, conventional and reduced tillage, crop yield sustainability, farm-based organics, soil fertility, soil-quality indicators
 
Description Not Available
The crop production in rainfed semi-arid tropical (SAT) Alfisols is
constrained by low soil organic matter, poor soil fertility, soil structural
infirmities, and scarce moisture availability. To offset some of these constraints,
a long-term study of tillage [conventional (CT) and reduced (RT)] and
conjunctive nutrient-use treatments was conducted in SAT Alfisol at
Hyderabad, India, under sorghum–mung bean system. The order of performance
of the treatments in increasing the sorghum yield was 2 Mg gliricidia loppings +
20 kg nitrogen (N) through urea (T4) (93.2%) . 4Mg compost + 20 kg N through
urea (T3) (88.7%) . 40 kg N through urea (T2) (88.5%) . 4 Mg compost + 2 Mg
gliricidia loppings (T5) (82.2%). In the case of mung bean, where half as much N
was applied as was to the sorghum, the order of performance of the treatments in
increasing the grain yields was T3 (63.6%) .T5 (60.3%) .T4 (58.0%) .T2
(49.6%). Tillage significantly influenced the hydraulic conductivity only, whereas
the conjunctive nutrient-use treatments significantly influenced the predominant
physical, chemical, and biological soil-quality parameters. Among the conjunctive
nutrient-use treatments, T5 was found to be superior in influencing the majority
of the soil-quality parameters and increased the organic carbon by 21.6%,
available N by 24.5%, dehydrogenase activity by 56.1%, microbial biomass
carbon by 38.8%, labile carbon by 20.3%, and microbial biomass nitrogen by 38.8% over the unamended control and proved superior most in improving soil
quality.
Not Available
 
Date 2020-02-25T09:10:26Z
2020-02-25T09:10:26Z
2009
 
Type Technical Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/32899
 
Language English
 
Relation Not Available;
 
Publisher K. L. Sharma, K. Srinivas, B. Venkateswarlu, G. Maruthi Sankar,