The yield of spring wheat as dependent on the contents of humic substances and nitrogen in the soil

被引：0

作者：

Shpedt, AA ^{[1
]}

Maiboroda, NM ^{[1
]}

Purlaur, VK ^{[1
]}

Mikhailenko, NV ^{[1
]}

Bortsov, VS ^{[1
]}

机构：

[1] Krasnoyarsk Agr Univ, Krasnoyarsk 660049, Russia

来源：

EURASIAN SOIL SCIENCE | 2001年 / 34卷 / 08期

关键词：

D O I：

暂无

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

A three-year study of the relationships between the yield of spring wheat and the contents of total humus, labile humic substances, nitrate nitrogen, and easily hydrolyzable nitrogen in the soil was conducted on chernozems in the Krasnoyarsk region. It was shown that the correlative relationship between the wheat yield and the selected soil properties is only observed within certain limits of the latter. On this basis, the optimum concentrations of labile humic substances were determined.

引用

页码：869 / 873

页数：5