CARÊNCIA DE MACRONUTRIENTES E DE SORO EM PLANTAS DE AÇAÍ (EUTERPE OLERACEA MART.)
DOI:
https://doi.org/10.24278/2178-5031.199242814Keywords:
Açaí, euterpepalm, macronutrients, boron, deficienciesAbstract
Plants 01 this species were grown in jots filled with ground silica, Treatments were a complete solution and the omissions one at the time of N, P, K, Ca, Mg, S and B. Nutritive solutions were passed through the substract periodically. When the visual symptoms of deficiencies were identilied, plants were harvested and separated into upper leaves, lower leaves and roots. The limiting treatments for plant growth were: K> Mg > P> N > Ca > S > B complete treatment. Concentration in the upper leaves, lower leaves nutrient and roots nutrients, were: N% -1.95, 1.66, 1.73 and 1.22, 0.95, 0.79; P% - 0.14,0.13, 0.11 and 0.06, 0.08, 0.07; K% -1 .06, 1.96, 1.97 and 1.17, 1.07, 1.20; Ca% - 0.69,0.68,0.61 and 0.44, 0.54, 0.30; Mg% - 0.26, 035, 0.31 and 0.20, 0.19, 0.27; S% - 0.30, 0.29, 0.31 and 0.21, 0.30, 0.26; and B ppm - 66, 51, 44 and 21, 22, 20.
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References
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