博求通沟是新疆沙湾县南山里的一大片肥沃盆地,水草丰美,是优良的自然牧场,也是该县春小麦的主要产区。在今年四月下旬,该地发生了极严重的西伯利亚种的土蝗蝻(去年也曾发生过),至五月中旬几乎佔有了整个荒坡,仅作物地边就有三千多亩,每平方 Bo seeking ditches Shawan County, Xinjiang Nanshan in a large fertile basin, plump aquatic plants, is an excellent natural pasture, but also the county’s main spring wheat producing areas. In late April this year, a very serious Siberian species of locusts (also occurred in the past year) occurred in the area. Almost the entire barren slope was occupied by mid-May and there were more than 3,000 mu