Spatial variability of available micronutrient status in Nizamabad district of Andhra Pradesh

Soil samples from 233 sites covering 35 mandals of Nizamabad district were collected randomly at 0–15 cm depth. Simultaneously the GPS points were collected and the soil samples were analyzed for various soil properties. Considering very low, low, medium and adequate categories of micronutrients, the variations in zinc, manganese, iron and copper were mapped under ARC GIS environment. The percentage of soils havingvery low, low, medium and high zinc levels were 2.5, 19, 78.4 and 19 respectively. The available copper content was adequate in entire district.The available Fe content was medium and adequate in 57.7% and 42.1% arearespectively. The available Mn was medium in 74.9% soils and adequate in 24.9% soils of the district.