Nutritional Analysis of BRS Topázio Cotton Plants with Omission of Macronutrients

Felipe Souza, Lucia Garófalo Chaves, Allan Alves, Jorge Souza and Ana Carolina Vasconcelos

Journal of Agricultural Science, 2018, vol. 10, issue 3, 237

Abstract: In order to verify the nutritional disorders caused by the lack of macronutrients in the BRS Topázio cotton plants, an experiment was carried out in a greenhouse of diagnosis by subtraction, in which the following nutrients were omitted- N, P, K, Ca, Mg and S, with three replications totaling 21 experimental units. The omission of nutrients affected the production of phytomass in all treatments. The N content in cotton plants increased and decreased in the absence of K and Ca, respectively. The content of P increased with the omission of N, K, Mg, and decreased with omission of S. Regarding the content of K, it increased in the absence of S and decreased in the absence of N, P, K and Ca. The higher levels of Ca, Mg and S in cotton plants were observed with the absence of K.

Date: 2018
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