Response of Intercropping and Integrated Nutrition on Production Potential and Profitability on Rainfed Pigeonpea

Narendra Kumawat, Rajendra Prasad Singh, Rakesh Kumar, Anupma Kumari and Pramod Kumar

Journal of Agricultural Science, 2012, vol. 4, issue 7, 154

Abstract: A field experiment was conducted during kharif season 2008-09 and 2009 - 10 to evaluate the response of pigeonpea [Cajanus cajan (L.) Millsp.] + blackgram (Vigna mungo L.) intercropping system to integrated nutrient levels. Intercropping failed to influence the dry matter production /plant, CEC of roots, root N content, yield and quality parameters of both crops. Both the intercropping system gives significantly higher uptake of N, P and K when compared to sole pigeonpea. The available soil N, P, K after harvest of crop (s) was maximum observed under sole pigeonpea followed by normal intercropping and lowest inpaired intercropping. Application of 100% RDF+50% RDN+5 kg Zn/ha significantly increased the dry matter production /plant,CEC of roots, root N content, grain yield, protein content, protein harvest (kg/ha) and nutrient uptake (NPKS and Zn) in pigeonpea and black gram cropping system. Integrated use 100% RDF with 50% RDN and 5 kg Zn/ha also significantly improved the available N, P and K soil after harvest during both the years.The maximum net return (Rs. 117010) was obtained with combination of normal intercropping system + 100% RDF+50% RDN+5 kg Zn/ha followed by normal intercropping system + 50% RDF+100% RDN+5 kg Zn/ha (Rs. 115102).

Date: 2012
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