Pongamia pinnata L. (Karanja) based agri-silviculture system under rainfed conditions of south-west Haryana
Journal Title: Journal of Applied and Natural Science - Year 2016, Vol 8, Issue 1
Abstract
The present study was conducted to assess the the performance of Karanja based agri-silviculture system in rainfed conditions of south west Haryana. The results showed that the yield (grain and fodder) of different crops was not affected significantly by the Karanja trees during initial four years of plantation. The mean grain yield of crops viz. cowpea (9.47q/ha), cluster bean (9.13q/ha), dhaincha (8.57 q/ha) and mung bean (9.50q/ha) was slightly less in agri-silvicultue system as compared to sole cropping. Similar trend was also observed for fodder yield. Karanja growth (height and diameter) was more in agri-silviculture as compared to sole plantation. Maximum height of 300.00 cm and diameter of 89.20 mm was recorded when Karanja was intercropped with cowpea, whereas it was 281.20 cm (height) and 80.90 mm (diameter) in sole plantation. Agri-silviculture system also improved the organic carbon and available N, P, K as compared to sole cropping. The lower net returns from agri-silviculture system of Karanja + cowpea (Rs. 7178/ha), Karanja +clusterbean (Rs. 7725/ha), Karanja +dhaincha (Rs. 7254/ha) and Karanja + mung bean (Rs. 7100/ha) were mainly due to the fact that during initial years Karanja plantation required some cost without any economic return. It is evident from the results that the cost of establishment of plantation can be meet out through intercropping during the gestation period of Karanja plantation.
Authors and Affiliations
N. Kaushik, R. P. S. Deswal, Abha Tikkoo, Sushil Kumari, Suman Malik, Krishan Kumar
Keywords
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