The genetic variation,correlation and principal component of 12 agronomic characters of 11 soybean varieties of south group A in Huanghuaihai region were analyzed.

Study on the quality properties of wheat varieties or lines in southern area of Huanghuai;

To understand the situation of the Ca element content of wheat seed in Huanghuai wheat area,the Ca content was determed with the flame atom absorption spectrophotometric method and 260 backbones idioplasmsas genotypes in Huang huai wheat area in this article.

[Objective] The study aimed to know about the content of Fe element in grain of wheat grown in Huanghuai wheat area.

An ecological cost evaluation of agricultural irrigation water consumption in the water-deficient area of Huang-huai-hai Plain—A case study of Luancheng County,Hebei Province.;

Simulation study on the extinction coefficient of winter wheat in Huang-Huai-Hai Plain of China;