Off-season vegetable-based cropping sequence under protected cultivation in mid-hills of north-western Himalayan region
2009
Kumar, Narendra | Kumar, M. | Srtvastva, A. K.
A field experiment was conducted during 2004-06 to evaluate year-round off-season vegetable cultivation, using naturally ventilated greenhouse. Five cropping sequences considering the off-seasonality of 2 months were selected for evaluation. The cropping sequence of squash - french bean - tomato - spinach gave highest economic yield (1 585 kg/100 m2/year) with production efficiency (4.34 kg/100 m2/ day), followed by capsicum - tomato - spinach cropping sequence that gave yield of 963 kg/100 m2/year and production efficiency of 2.64 kg/100 m2/day. Pooled analysis of two years data showed higher gross returns (Rs 11 636/100 m2/year) in cropping sequence of squash-frenchbean -tomato-squash, whereas net returns (Rs 8 252/100 m2/year).However highest B: C ratio of 3.14 was obtained for cropping sequence of capsicum - tomato - spinach. Lowest net returns (Rs 1 265/100 m2/year) and B: C ratio (1.34) were recorded in cropping sequence of tomato - cucumber-frenchbean -coriander. It was also observed that planting geometry does not affect the crop performance. Selected cropping sequences resulted in 1.45 to 2.80 times higher crop yield inside the greenhouse as compared to open field condition. Thus 3 to 4 fold cropping intensity under greenhouse conditions can help in enhancing the vegetable production per unit area and time. The cropping sequences like squash - frenchbean - tomato- spinach and capsicum - tomato - spinach were found suitable and remunerative for low-cost naturally-ventilated greenhouse in mid-hills of north-western Himalaya.
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Este registro bibliográfico ha sido proporcionado por Indian Council of Agricultural Research