STUDIES ON NUTRIENT MANAGEMENT IN PIGEONPEA [Cajanus cajan (L.) Millsp.] AND CORIANDER (Coriandrum sativum L.) INTERCROPPING SYSTEM
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Date
2017-06-30
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UNIVERSITY OF AGRICULTURAL SCIENCES, RAICHUR
Abstract
A field experiment was conducted at Agricultural College Farm, Raichur during kharif 2016 to study the nutrient management practices in pigeonpea and coriander intercropping system. The experiment was laid out in randomized block design with three replications and nine treatments. The sole crop of pigeonpea and coriander produced significantly higher seed yields (1320 and 647 kg ha-1, respectively) when compared to their intercropping treatments. Among the various intercropping treatments, the treatment which received 125 per cent RDF to pigeonpea and no fertilizer to coriander (T4) recorded significantly higher seed yield of pigeonpea (1156 kg ha-1) compared to other intercropping treatments and was found on par with treatments, T3 (1066 kg ha-1) and T5 (1134 kg ha-1) and the treatment which received 100 per cent RDF to both the crops (T5) recorded significantly higher seed yield of coriander (530 kg ha-1) compared to other intercropping treatments. The pigeonpea equivalent yield was significantly higher in intercropping system as compared to respective their sole crops. The total uptake of nutrients in intercropping system was relatively higher as compared to sole cropping of both the crops. Higher land equivalent ratio (1.67) was noticed in the intercropped treatment (T5). The LER recorded under intercropping system varied from 1.10 to 1.67. The higher net returns was recorded under T5 (Rs 66,884 ha-1) with the treatment, T4 recorded on par net returns (Rs. 61,850 ha-1) and T3 (Rs. 56,280 ha-1). Highest B:C of 3.04 was observed under T5 which received 100 per cent RDF to each crop and T4 (2.99) and T3 (2.90) recorded on par B:C with each another.
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