COMBINED EFFECT OF NA2SO4 AND NO3- ON THE MINERAL-COMPOSITION OF TOMATO PLANTS .1. N, P, NA, K, CA AND MG

被引：0
|
作者：
GOMEZ, L
PEDRENO, JN
MATAIX, J
机构：
来源：
AGROCHIMICA | 1992年 / 36卷 / 1-2期
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中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A greenhouse experiment in culture solutions containing. two levels of N-NO3- (1.0 . 10(-2) M and 1.4 . 10(-2) M) and six levels of Na2SO4 (0 M, 3.0 . 10(-3) M, 8.0 . 10(-3) M, 1.3 . 10(-2) M and 2.2 . 10(-2) M) was carried out to determine the effect of differential SO4-NO3 levels on growth and mineral of tomato plants. N, P. K, Na, Ca and Mg were analized in leaves. Deficiency and excess symptoms of SO42- and NO3- were observed and described. Statistical analysis of variance was made.
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页码：165 / 173
页数：9
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