miangengdaotianyangyujiushiliyongmiangengdaotianfangyangyidingshuliangdeyulei,tongguoyidingderenweicuoshi,jianlidaoyugongshengdeshengtaimoshi,congertigaogengdideliyonglvhechanchulv,zengjiajingjishouru。shiyixiangtouzishaojianxiaokuaixiaoyihaodenongyexinjishu。
一、稻田選擇
一般選擇水源充足、無汙染、排灌方便、旱澇保收、保水保肥的稻田,耕作層深的稻田、潛育性稻田、冷浸田、爛泥田以及低窪田也適用,耕作層淺的沙土田、沙泥田則不宜選用。
二、開挖魚溝、魚坑
在養魚稻田的四周開好邊溝(也叫圍溝),在田中間開挖“十”字溝或“目”字溝,溝寬35厘米,溝深30-35厘米,水稻栽培壟1.2mi。keyigenjusuoxufangyangyudeshuliangquedingyugoujiangejuliyukengzeyikaiwazaijinshuikoudetianbiantianjiaohuozhetianzhongjian,conganquanfangmiankaolv,yitianzhongjianweihao。yukengyaoqiushen50-80厘米,麵積3-5m2。魚(yu)溝(gou)魚(yu)坑(keng)應(ying)相(xiang)互(hu)連(lian)通(tong)。挖(wa)出(chu)的(de)的(de)泥(ni)土(tu)均(jun)勻(yun)鋪(pu)在(zai)田(tian)間(jian)的(de)稻(dao)壟(long)上(shang),並(bing)盡(jin)可(ke)能(neng)打(da)碎(sui)鋪(pu)平(ping)。在(zai)開(kai)挖(wa)邊(bian)溝(gou)的(de)同(tong)時(shi)把(ba)挖(wa)出(chu)的(de)泥(ni)土(tu)對(dui)田(tian)埂(geng)進(jin)行(xing)加(jia)高(gao)加(jia)寬(kuan)加(jia)固(gu),挖(wa)出(chu)的(de)上(shang)層(ceng)肥(fei)泥(ni)應(ying)回(hui)填(tian)到(dao)田(tian)中(zhong),底(di)層(ceng)硬(ying)土(tu)用(yong)於(yu)加(jia)固(gu)田(tian)埂(geng),一(yi)般(ban)要(yao)求(qiu)田(tian)埂(geng)高(gao)出(chu)田(tian)麵(mian)30-40厘米,寬35-40厘米,要捶緊夯實。
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