Vol. 17 No. 1
Standardization of trailing method and irrigation frequency for yardlong bean (Vigna unguiculata var. sesquipedalis (L.) raised in containers for urban farming
Abstract: An experiment was conducted at College of Agriculture, Vellayani, Thiruvananthapuram, Kerala during summer 2017 to study the effect of trailing methods under various irrigation frequency on the performance of container grown yardlongbean. The treatments comprised of three trailing methods viz.pandal system (R1), trellis system (R2) and trailing stand (R3) and two levels of irrigation frequency viz.daily irrigation (I1) and irrigation at temporary wilting stage (I2). The treatments were replicated thrice adopting completely randomized design. Higher pod yield plant-1 was recorded when the crop was trailed on trellis system (832.03 g) and was significantly superior with daily irrigation (941.85 g) as compared to irrigation at temporary wilting stage. The root parameters viz. root volume, root weight, root shoot ratio and number of pickings were higher with daily irrigation. Interaction of trailing method and irrigation intervals influenced yield and economics of cultivation, where trailing the crop on trellis system under daily irrigation recorded superior podyield plant-1(1,079.1g), net income (Rs 45.48 bag-1) and BCR (2.36).
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