Effect of nitrogen and poplar spacing on yield and nutrients content of Taro (Colocasia esculenta L.)
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Authors
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K.S. Pant
Department of Silviculture and Agroforestry,
Dr. Y. S Parmar University of Horticulture and Forestry,
Nauni, Solan-173 230 (Himachal Pradesh)
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V.K. Mishra
Department of Silviculture and Agroforestry,
Dr. Y. S Parmar University of Horticulture and Forestry,
Nauni, Solan-173 230 (Himachal Pradesh)
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C.S. Sanwal
Department of Silviculture and Agroforestry,
Dr. Y. S Parmar University of Horticulture and Forestry,
Nauni, Solan-173 230 (Himachal Pradesh)
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K.U. Dinssa
Department of Silviculture and Agroforestry,
Dr. Y. S Parmar University of Horticulture and Forestry,
Nauni, Solan-173 230 (Himachal Pradesh)
Keywords:
Intercropping, yield attributes, spacing, nitrogen fertilizersAbstract
Performance of taro (Colocasia esculenta (L) schott) under six nitrogen levels (0, 50, 75, 100, 125 & 150 Kg/ha) and three poplar (Populus deltoides Bartr. Ex. Marsh) spacing (Open, 5m x 4m and 5m x 3m) was investigated in subtropical zone of Himachal Pradesh. The average relative illumination below 5m x 4m and 5m x 3m poplar spacing was 48 and 40%, respectively. The nitrogen application induced improvement over control but failed to obtain significant difference in growth and yield parameters of the crop except leaf number per plant. The nutrient content (N, P & K) in corm as well as leaf depicted an improvement with increase in nitrogen level. The shade brought drastic reduction in growth and yield in open. Among N, P and K contents in corms, only P & K were influenced significantly due to poplar spacing, both registering only significant influence on plant height and number of leaves per plant.
