Journal of FARM SCIENCES, Vol 5, No 4 (1992)

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Studies on Yield, Consumptive Water Use, Water Use Efficiency and Moisture Extraction Pattern by Sorghum as Influenced by Intercropping and Irrigation

B.T. Pujari, V.S. Patil, G.D. Radder

Abstract


Irrigation at 0.8 IW/CPE produced highest grain yield (68.32 q/ha) over irrigation at 0.4 IW/CPE (60.15 q/ha). Yieid of sorghum intercropped with safflower (68.68 q/ha) was on par with bengalgram (66.96 q/ha). Entire sorghum (57.77 q/ha) recorded significantly the lowest grain yield. The increase in water supply increased the consumptive water use while the water use efficiency was decreased. Moisture extractions were 51.8, 30.2 and 17.4 per cent from 0-30 cm, 30-60 cm and 60-90 cm soil layers, respectively, irrespective of irrigation levels. With increased frequency of irrigation, the contribution from 0-30 cm soil layer to the total soil moisture depletion increased while the contribution from lower layers decreased

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