Nutritional Analysis of BRS Topázio Cotton Plants with Omission of Macronutrients
- Felipe Souza
- Lucia Garófalo Chaves
- Allan Alves
- Jorge Souza
- Ana Carolina Vasconcelos
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.
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- DOI:10.5539/jas.v10n3p237
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