Saturday, 15 July 2006
153-45

Effect of Saline Water Irrigation and Zinc Application on Post Harvest Soil in Mustard (Brassica juncea).

Micky Gupta and R.D Kaushik. Chaudhary Charan Singh Haryana Agricultural Univ, Dept of Soils, College of Agriculture, Hissar, India

A field experiment was conducted in sandy soil on mustard (Brassica juncea) with three levels of Zinc (Zn) viz. 0, 15 and 30 kg ZnSo4/hac and three levels of saline water irrigation (S) viz. 0.81, 8.05 and 12.09 dSm-1. Basal dose of N, P and K were @ 80 kg N/ha, 60 kg P2O5/ha, 40 kg K2O/hac respectively. Post harvest analysis of soil samples revealed that the DTPA-extractable zinc increased, significantly, with increase in zinc levels and decreased significantly with increase in saline water irrigation levels. The pH, EC, cation (Ca2+, Mg2+, Na+) and anion (SO42-, Cl-, HCO3-, CO32-) of soil samples ,after harvest, increased with increase in saline water irrigation levels , There was no effect observed in these with increase in zinc levels except potassium (K+). Key words: Raya (Brassica juncea), Zinc, Saline water, EC, pH, Cation and Anion

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