Estimating soil nutrient index vis-a-vis mango orchard productivity of Lucknow region, Uttar Pradesh, India

T. Adak, G. Pandey
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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.
印度北方邦勒克瑙地区与芒果果园生产力相关的土壤养分指数估算
在印度北方邦勒克瑙地区22个固定芒果果园的根区深度(0-30 cm)收集了88个土壤样品,建立了芒果果园土壤养分指数。数据分析表明,果园土壤和叶部的养分含量更广。开发的土壤养分指数表明,芒果园土壤属于低有机碳、低氮、低钾,磷属于中等。在速效微量元素方面,锌、铁、锰处于中等等级,铜处于低等级。产量分析结果为4.92 ~ 8.68 t ha-1,大部分果园产量在6 ~≤8.0 t ha-1之间。这种较低的生产力与低至中等的土壤养分有关。研究表明,为了确保更好的生产力,种植者应该采用适当的营养管理系统。
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