Factor analysis on vegetable soybean under different environments;

Study on method of core collection construction for sensory quality traits of summer-planted vegetable soybean.;

Canonical correlation analysis of growing period, agronomic character, yield and quality character in the spring vegetable soybean;

Characters of arthropod community in vegetable soybean field;

Spring vegetable soybean cultivating techniques for high yield and ecotypes which fits the natural ecological condition and farming system in this region have been put forward by investigating soybean variety, sowing date, plant density, fertilizer applying method in this paper.

Evaluating summer sowing rape varieties by grey correlation degree analysis;

A method of grey correlation degree analysis was applicated to analysis important economic characters and yield in 1998～1999 years summer sowing rape in Yunnan province.