Effect of intercropping with tuber crops in root (wilt) affected coconut garden
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Date
2007-02-08
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Abstract
The effect of intercropping with tubers like tapioca (Manihot esculenta Crantz), elephant foot yam (Amorphophallus companulatus Blume) and yam (Dioscorea alata Linn.) on the yield and disease intensity of coconut palms (Cocos nucifera Linn.) in root (wilt) disease prevelent area was studied for three years from 1975. Yield of coconut showed an improvement in the plot intercropped with elephant foot yam, followed by .yam to a lesser extent. In the plots with tapioca as intercrop and control, the intensity of root (wilt) disease was on the increase whereas in the plots intercropped with yam and elephant foot yam a slight decline in severity of the disease was observed. Yield of tuber was highest in the case of tapioca. Growing all the three intercrops was found profitable The cost benefit analysis showed that coconut+tapioca combination gave the highest net return per rupee invested.
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In: Proceedings, PLACROSYM I, RRII, Kottayam, 20-23 Mar. 1978. Edited by E. V. Nelliat and others 1978 p-416-424