Abstract
Deficiency of iron in plants is the most serious problem in recent agricultural practices due to the introduction of high yielding varieties, loss through leaching and reduced farm yard manure application. Chelating agents are widely used to increase the solubility of micronutrients, for stable and sustainable crop production.A chelate refers to a ring system that results when a metal ion combines with two or more electron donor groups of a single molecule.The lab experiment was carried out to study the synthesis of Fe chelates by using organic and amino acid based chelating agents. The synthesized iron chelate was characterized. A pot experiment was conducted to study the effect of foliar and soil application of amino acids and organic acids chelated micronutrients on growth yield and qualityof blackgram. The plants were sprayed with single dose of organically chelated iron(1%) along with common ferrous sulphate on 25 and 45 DAS and untreated control. The results showed that foliar application of 1% ferrous glycinate chelate at resulted in maximum plant height, SPAD value, number of pods plant-1, number of seeds pod-1, pod length and 100 grain weight, Starch content and Protein content of blackgram in calcareous black soil.
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