Manganese dynamic in acid soil and uptake by maize seedlings

被引：4

作者：

Miyazawa, M

Pavan, MA

Machado, PLOD

deOliveira, EL

Yamashita, M

机构：

[1] IAPAR, 86001-970, Londrina PR

[2] Instituto Agronomico do Paraná, 86001-970, Londrina, PR

[3] EMBRAPA - Centro Nacional de Pesquisa de Solos, 22400-000, Rio de Janeiro, R J

[4] Universidadc Estadual de Londrina, 86051-970, Londrina, PR

来源：

COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS | 1996年 / 27卷 / 9-10期

关键词：

D O I：

10.1080/00103629609369708

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Reports on manganese (Mn) soil tests in Brazil are not correlated either with total uptake of Mn by plants or plant growth response to added Mn salts. We have investigated the factors influencing Mn release in an acid soil and to better understand the Mn dynamic and uptake by maize seedlings. Soil preparation processes (air-dry, oven-dry, storage, etc.) significantly influenced Mn availability. Soil Mn extracted by 1M NH4OAc pH 7.0 was highly correlated with plant Mn. The use of a soil sample without drying seems promising for evaluating soil-available Mn but the procedure still needs widespread evaluation.

引用

页码：2349 / 2359

页数：11

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