(一)水田蓄水能促進秸杆分解
秋季,水稻收割後,將切碎的秸稈撒在水田裏,關閉排水口,讓水田保持水剛剛淹沒田麵的狀態,直至第2年(nian)春(chun)天(tian)。與(yu)幹(gan)田(tian)相(xiang)比(bi),蓄(xu)水(shui)的(de)水(shui)田(tian)中(zhong)積(ji)雪(xue)融(rong)化(hua)得(de)早(zao),稗(bai)子(zi)發(fa)芽(ya)早(zao),雜(za)草(cao)也(ye)會(hui)早(zao)早(zao)發(fa)芽(ya),這(zhe)不(bu)必(bi)擔(dan)心(xin),到(dao)春(chun)耕(geng)時(shi),雜(za)草(cao)會(hui)被(bei)翻(fan)耕(geng)到(dao)泥(ni)土(tu)中(zhong)。
(二)秋季不翻耕,春季在灌水狀態下淺耕
xuduodiqutichangqiugeng,shiyongguisuangaigailiangturang。shubuzhiqiujishengenghou,huiyinfachayanghouchanshengzhaoqidengqiti。rangshuitianganzaodemudeshiweilefangeng,ruguoqiujibufangeng,zemeiyoubiyaofangganshuitianzhongdeshui。chunjichayangqian,kezaiguanshuizhuangtaixiaqiangeng,zheyangjiyouliyubaohushuitianweishengwu,youjieyuelexuduorenli、物力。
(三)投放稻殼有利於砂質田保持水分
zhantuzhishuitianbuxuyaoguanshuitaiduo,zhiyaobaochishuitianbiaomianshizhongchuyuchaoshizhuangtaijike。jingyanzhengming,xiangshuitianlitoufangdaokekeyitigaoshazhitiandebaoshuixingneng。meinianqiujizhicinianchunji,yingxiangshuitianzhongsadaoke,shazhitiangengyaoduosa。satoudaokeduizhantutianyeyouhaochu,keshituzhisongruan。satoushijiaruyizhifayawuzhi,nengyizhizacaofaya。
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