Soil moisture balance in relation to rainfall and evaporation
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Date
1987
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The precipitation was considerably in excess of evaporation from June to October. The maximum surplus (988.5 mm) was in July followed by June (876.3 mm) and August (551.7 mm). The precipitation fell short of evaporation in November and continued till May, the maximum shortage being in March. The soil moisture deficit developed from September and gradually increased upto March and again decreased till May. The availablility of soil moisture in the top soil (0-15 and 15-30cm) was nil from from November to April while the lower layers maintained 54% in March. Coconut palms should be irrigated from November to May for realising potential yield under Kasaragod conditions.
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In: Proceedings, National Seminar on Agrometeorologyof Plantation Crops, RARS, Pilicode, 12-13 Mar. 1987. Edited by G.S.L.H.V. PrasadaRao and R. R. Nair 1987 p-18-21