Pollution Research Paper

Vol.30, Issue 3, 2011; Page No.(377-380)

LONG TERM EFFECT OF RSC WATER WITH CHEMICAL AMENDMENT GYPSUM ON SUGARBEET CROP (BETA VULGARIS)

JOLLY SINGH, F.M. PRASAD AND KUSUM SINGH

Abstract

High RSC (Residual sodium carbonate) water may deteriorate the physical properties and increase pH and SAR of soil. To find out the impact of varying levels of chemical ameliorant gypsum on physico- chemical properties and NPK nutrients under sodic water environment, it is revealed from the data that the treatment G3R0 brought about significant improvement in soil pH, EC, Organic Carbon, available Phosphorus, available K2O, sulphur and available Nitrogen over rest of the treatment. Where as the treatment G0R2 tremendously increased the soil pH, EC, available P2O5, K2O, available N, and Sulphur except the % of organic Carbon which slightly declined. The absorption of Phosphorus in plants influenced by soil pH. The treatment R2G0 having 15 mel-1 sodic water without chemical amendments resulted marked decline reduction in NPK uptake in comparison to the other levels of RSC water in association with concentration. Presence of higher amount of CO3 — and HCO3 - in irrigation water and soil solution increased the SAR in soil and thereby precipitate Ca++ and Mg++ and their carbonates. The incorporation of gypsum in soil will certainly improved the physico- chemical properties of soil and later enhances the crop production.

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