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首页> 外文期刊>Revista rvore >Crescimento , produ??o de matéria seca e acúmulo de N, P, K, Ca, Mg e S na parte aérea de mudas de andiroba (Carapa guianensis Aubl.) cultivadas em solo de várzea, em fun??o de diferentes doses de fósforo
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Crescimento , produ??o de matéria seca e acúmulo de N, P, K, Ca, Mg e S na parte aérea de mudas de andiroba (Carapa guianensis Aubl.) cultivadas em solo de várzea, em fun??o de diferentes doses de fósforo

机译：N，P，K，Ca，Mg和S在Andloba（Carapa Guyanensis Abl的幼苗中的N，P，K，Ca，Mg和S的生长，干物质产生和积累。在洪泛区植物中栽培，在不同剂量磷的功能中

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摘要

To evaluate the effect of phosphorus application on growth, dry matter yield and N, P, K, Ca, Mg and S accumulation in "andiroba" seedling shoots, cultivated in lowland soil, an experiment was conducted under greenhouse conditions at the Soil Science Department (DCS) of the Federal University of Lavras (UFLA). The experiment was conducted in a randomized block design, with five replications and four phosphorus doses (0, 150, 300 and 450 mg dm-3 of P). Stem diameter (mm), plant height (cm), root dry matter, stem, leafs and total (g plant-1) were evaluated and the accumulation of the nutrients based on dry matter was determined. The maximum physical response of andiroba to phosphorus was obtained between 239 to 265 mg dm-3 of P. The maximum accumulation of N, P, K, Ca, Mg and S was observed with the doses 254, 287,5, 244,5, 254, 241 and 275 mg dm-3 of P, respectively. The most accumulated elements in andiroba's seedling shoots followed this decreasing order: N > Ca > K > Mg > S > P.
机译：为了评估磷对生长，干物质收率和N，P，K，Ca，Mg的影响“Andiroba”幼苗芽中，在低地土壤中栽培，在土壤科学部门的温室条件下进行了实验拉夫拉斯联邦大学（UPLA）的（DCS）。该实验在随机嵌段设计中进行，具有五种复制和四个磷剂量（0,150,300和450mg DM-3）。评估茎直径（mm），植物高度（cm），根干物质，茎，叶和总（g植物-1），并测定基于干物质的营养物的积累。在P的239至265mg DM-3之间获得了Andiroba至磷的最大物理响应。用剂量254,287,5,244,5观察N，P，K，Ca，Mg和S的最大累积。 P分别为254,241和275mg DM-3。 Andiroba幼苗芽中最累计的元素遵循这种下降顺序：N> Ca> K> Mg> S> P.

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