随着大豆种植面积扩大，重迎茬面积增加，导致了大豆孢囊线虫病的蔓延和加剧。黑龙江省共有受害面积为６６．７多万公顷，估计每年要减产大豆４亿ｋｇ，损失９亿元人民币。为此我们进行了以下防治方法的探讨研究，以降低大豆孢囊线虫病所造成的产量损失。１　种植抗线虫病品种? With the expansion of soybean planting area, the area of ​​heavy stubble continued to increase, leading to the spread and aggravation of soybean cyst nematode disease. Heilongjiang Province has a total affected area of ​​667 million hectares, an estimated annual reduction of 400 million kg of soybean, a loss of 900 million yuan. To this end, we conducted the following research methods of prevention and treatment to reduce soybean cyst nematode caused by the yield loss. 1 planting anti-nematode varieties?