How to Correct Zinc Deficiency ?
By soil application Zinc deficiency can be corrected by the application of Zinc Fertilisers to soils. Zinc Sulphate (ZnSO4.7H20- about 21% Zinc) is the most common among all Zinc Fertilizers. Application of 25 kg. to 50 kg. Zinc Sulphate per hectare is recommended depending upon the level of deficiency of zinc. Low zinc levels are recommended for light textured sandy soils, where else high level of zinc application are necessary for heavy textured paid clayey soils and for rice grown on sodic and permanently wet soils. Once applied, zinc does .not move for in soil. As a result of immobile the heavier of zinc in soil, the zinc fertiliser should be place in such in a way that maximum routes can easily contact it. The successful techniques of application are. 1. to broadcast Zinc Sulphate on the soil surface followed by ploughing it in. 2. to drill Zinc Sulphate in the soil below and on the side of the seed. To drive maximum benefit from Zinc treatment, it is essential to apply it prior t