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稻瘟病是威胁我社水稻生产的主要病害。常年损失稻谷12万斤左右,一九七四年晚稻穗颈瘟大流行,损失稻谷达20余万斤。尤其是山王堂畈458丘、250余亩水田,分布在150公尺与250公尺高的阴水山、楼庄山之间五华里长的山垄里,山高日照短,水冷气温低,日夜温差大,雾重湿度高,土薄砂性重。在六至十月份选择有代表性的田块记载,日照时数,每日只7～10个小时,比气象站少2～2.5个小时,昼夜温差7.4℃,比气象站大2.5℃,早上雾大
Rice blast is a major disease that threatens rice production in our society. Perennial loss of about 120,000 tons of rice, late 1974 panicle neck blast pandemic, the loss of more than 20 kg of rice. In particular, there are 458 mounds of Shanwangtangzang and 250 mu of paddy fields distributed in the Yinshui Mountains of 150 meters and 250 meters in height. There are short mountains and high sunshine in the hills, Large, heavy fog heavy humidity, thin sand sand heavy. Choose a representative field records from June to October, sunshine hours, only 7 to 10 hours a day, less than the weather station 2 to 2.5 hours, the temperature difference between day and night 7.4 ℃, 2.5 ℃ greater than the weather station, morning Big fog