常年四月上中旬,还会有暗霜、低温侵袭,四月中下旬有时最低气温达6～7℃,这对早稻大田育秧带来很大威胁。我伲三林公社广大赤脚气象员,进行秧田复盖,提高秧苗素质的试验。秧田复盖物的种类有:“一寸三刀”的绿肥、晒干打细的猪粪、晒干打碎的猪粪与绿肥、“5406”、“5406”与绿肥、垃圾等。落谷后,撒一层晒干打碎的猪粪,上面再撒一层“一寸三刀”的绿肥,比不复盖 In mid-April of last year, there will be dark frost and low temperature attack. In late April, the minimum temperature may reach 6 ~ 7 ℃, which poses a great threat to the early rice seedling raising. I 伲 Sanlin commune majority of barefoot meteorologists, seedling cover, improve the quality of seedlings test. The types of seedling coverings are green manure of “one size three knives”, dried pig manure dried in the sun, dried pig manure and green manure dried, “5406”, “5406” and green manure and garbage. After the valley, sprinkle a layer of dried pig manure, then sprinkle a layer of “one inch three knives” green manure, than not covered