Estimating soil nutrient index vis-a-vis mango orchard productivity of Lucknow region, Uttar Pradesh, India
Abstract: Soil nutrient index was developed in mango orchard soils for which a sum of 88 soil samples were recently collected from the root zone depth (0–30 cm) of 22 fixed mango orchards of Lucknow region of Uttar Pradesh, India. Analysis of data indicated orchards had wider contents in nutrients in soil and foliar parts. Developed soil nutrient index concluded that mango orchard soils were categorized as low SOC, N and K, whereas P designated in medium rating. In case of available micronutrients, Zn, Fe and Mn falls under medium rating while Cu in low rating. Productivity analysis showed 4.92 to 8.68 t ha-1 with majority of the orchards had production from 6 to ≤8.0 t ha-1. Such lower productivity is linked to low to medium soil nutrients. The study showed for ensuring better productivity, proper nutrition management systems should be adopted by the growers.
Keywords: soil nutrient / mango orchard / nutrient index / orchards had production / vis / medium
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