IMPROVISATION AND DEMONSTRATION OF RECLAMATION TECHNOLOGIES FOR ALKALI SOILS OF GUNTUR DISTRICT IN ANDHRA PRADESH
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 46
Abstract
An experiment was conducted in farmers fields during kharif season from 2012 and 2014 with paddy crop in P.B.V. Palem village of Guntur district. Implemented and demonstrated the technologies like land leveling, adequate drainage provision for removal of excess water, application of amendments, leaching, selection of crops and cropping sequence and nutrient management. Powdered gypsum was added along with organic manures, SSP for efficient reclamation. The green manure crop dhaincha was incorporated at 50% flowering stage. The paddy variety NLR 145 was transplanted with a 50% more nitrogen than recommended and application of Zinc Sulphate @ 50 kg ha-1. After three years of implementation of package, farmers got good yields with paddy crop compared to control and yields were increased from 25 to 47%. The exchangeable sodium percentage was drastically decreased from 26.93 to 17.58. Soil pH value also decreased from 8.85 to 8.10 and EC had showed little change. Soil nutrient availability increased slightly from initial to final.
Authors and Affiliations
K. HEMA
Keywords
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