1. 1995年在安达盐碱土利用改良研究所的轮作和连种抗病品种地块取土样6份，用Golden方法进行大豆孢囊线虫生理小种变化动态监测。
Soil samples were collected from rotation and continuous resistant variety planting fields in Anda Institute of Utilization and improvement of Saline-alkali soil in 1995.Dynamics change of races of soybean cyst nematode were studied by Golden method.