tailieunhanh - GIS based site specific major nutrient maps and recommendations for coconut (Cocus nucifera L.) gardens

Spatial distribution of nitrogen, phosphorus and potassium were studied from 99 coconut farmers covering 195 acres representing different irrigation situations in Chikkapattanagere of Chikkamagaluru district, Doddaghatta of Davangere district, Siriyur of Shivamogga district and Madhure of Chitradurga district of Karnataka state, India. The gardens selected were aged 20-25 years with varying management levels. The Standard technique of grid method of sampling at 50x50 m spacing was employed to collect soil samples from selected study area at two depths (0-30 and 30-60 cm) with geographical identity by GPS. The soil samples were analyzed for major nutrients by following standard procedure. Across all locations, nitrogen status remained low while that of phosphorus shared medium to high status in equal proportion. | GIS based site specific major nutrient maps and recommendations for coconut Cocus nucifera L. gardens

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