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Performance evaluation of implements for incorporation of cotton stalk

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Title Performance evaluation of implements for incorporation of cotton stalk
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Creator Senthilkumar.T. Aravinda Reddy, R.Manian and K.Kathirvel
 
Subject Cotton stalk, Soil fertility, crop residue
 
Description Not Available
The soil fertility changes due to in-situ incorporation of cotton stalks and residual effect of crop residue management was investigated through a field experimental with post harvest stalks as standing crop. The treatments included operation with roto slasher followed by disc plough, operation of roto slasher followed by rotovator, operation of disc plough followed by rotovator and hand pulling of cotton stalks followed by disc ploughing and cultivator once. Tillage treatments were imposed as non-replicated and succeeding cowpea crop (Co.4) was raised in RBD with two replications. Pre- and post-experimental soil sampling was done using core sampler and were analyzed for physical properties such as saturated hydraulic conductivity, bulk density and total porosity at different soil depths, viz. 0-15, 15-30 and 30-45 cm. The chemical properties such as pH, EC, macro and micro nutrients were also analyzed at periodical intervals, viz. 10, 20 and 30 days after incorporation. Subsequently, the residual crop was sown and maintained till maturity. Treatments with a disc plough played a predominant role in lowering the bulk density and increasing the hydraulic conductivity and porosity. The residual effect observed showed that the pod and haulm yields of cowpea were maximum (10.38 and 55.2 q ha-1, respectively) under roto slasher followed by disc plough (T1). There was 21.6 percent increase in pod yield compared to farmers' practice. This was followed by disc plough followed by rotovator tilling (T3). Farmers' practice (T4) recorded the lowest pod and haulm yield (8.53 and 45.4 q ha-1 respectively) due to non-incorporation of cotton stalks. Roto slashing of post-harvest cotton stubbles followed by incorporation through disc ploughing once was the best as it recorded the favourable soil physical and chemical properties and recorded the maximum pod and haulm yield of the succeeding cowpea crop, suggesting its suitability for crop residue management for sustainable crop production.
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Date 2021-07-14T08:55:00Z
2021-07-14T08:55:00Z
2007-06
 
Type Research Paper
 
Identifier Senthilkumar.T*. Aravinda Reddy, R.Manian and K.Kathirvel,2007. Performance evaluation of implements for incorporation of cotton. Agricultural Mechanization in Asia, Africa and Latin America. 38(3): 84-86.
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http://krishi.icar.gov.in/jspui/handle/123456789/47910
 
Language English
 
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Publisher Not Available