江西省会昌县石壁坑水库1990年11月初播种了200亩茶园,其中有150亩用稻草覆盖,1991年4月上旬调查发现,盖稻草的茶园,茶苗死亡较多,不少茶苗是长到一二片真叶时枯死,轻的地块死亡率在5％～10％,严重的地块死亡率高达20％。据观察,茶苗枯死是受稻草发热灼伤所致,被灼伤的茶苗,开始表现叶片发黄,继而逐渐转向枯心,叶片干枯、卷缩、变为黑色。 Shicengeng Reservoir, Huichang County, Jiangxi Province In early November 1990, 200 acres of tea plantations were sown, of which 150 acres were covered with straw. A survey conducted in early April 1991 found that there were more deaths in the tea plantations and tea plants covered with straw, and many tea plants were long To one or two real leaves dead, light land mass mortality rate of 5% to 10%, severe block mortality rate as high as 20%. It is observed that the tea plant is dead by the straw caused by thermal burns, was burned tea plant, began to show the yellow leaves, and then gradually turned to the heart, the leaves dry, curled into black.