Influence of Integrated Nutrient Management on Nutrient Uptake by Cotton and Soybean in Intercropping System
Amit M. Pujar, V. V. Angadi, J. A. Hosmath
Advances in Research · pp. 1–12 · Published 11 Apr 2018
10.9734/AIR/2018/38839Abstract
A field experiment was conducted to study the influence of integrated nutrient management practices on nutrient uptake by cotton and soybean intercropping system in 1:2 row proportion during (summer crops) Kharif 2015 and 2016 at All India Coordinated Research Project on Soybean, Main Agricultural Research Station, University of Agricultural Sciences, Dharwad, Karnataka, India. The field experiment was laid out in a randomised complete block design with three replications and twenty treatments. Treatment comprised of organic and inorganic sources of nutrients used in different combinations. Soybean introduced as intercrop in cotton with 40 x 10 cm spacing for soybean and 120 x 60 cm for cotton. Results revealed that amongst 20 different types of plants and some types which initially uptake the nitrogen, phosphorus, and potassium that were significantly higher in it (150% RDF for cotton and soybean) and show same respond likewise of other prototypes (125% RDF for cotton and soybean). It could be concluded that application of 125: 62.5: 62.5 kg N, P2O and K2O ha-1 in cotton and soybean intercropping system or 100:50:50 kg N, P2O5, K2O ha-1 along with Gliricidia + Pongamia 2.5 t ha-1 each for cotton and soybean intercropping was found to be optimum for efficient mineralization of nutrients for higher nutrient uptake by the crop .
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