1.封溝可以防止植株倒伏。中耕培土,固定棉株,可以防止植株倒伏。
2.棉花封溝可以達到旱能澆、laonengpai,qidaofengtubaoshangdezuoyong。miantiankuanxingneiyouyitiaogou,tianhanshikeyishungoujiaoshui,tianlaoshikeyishungoupaishui,erqiedibiaotupeidaomianhuazhaixingliangbian,kezaimianzhuzhaixingneixingchengyitiaoxiaogou,shimianzhuzhouweitucengjiahou,youliyuxushuibaoshang。
3.棉(mian)花(hua)封(feng)溝(gou)可(ke)以(yi)很(hen)好(hao)地(di)解(jie)決(jue)田(tian)間(jian)鬱(yu)蔽(bi)現(xian)象(xiang)。尤(you)其(qi)是(shi)密(mi)度(du)較(jiao)大(da)的(de)棉(mian)田(tian),寬(kuan)行(xing)形(xing)成(cheng)一(yi)條(tiao)通(tong)風(feng)溝(gou)可(ke)促(cu)進(jin)空(kong)氣(qi)流(liu)動(dong),提(ti)高(gao)二(er)氧(yang)化(hua)碳(tan)濃(nong)度(du),有(you)利(li)於(yu)增(zeng)強(qiang)葉(ye)片(pian)的(de)光(guang)合(he)作(zuo)用(yong)。同(tong)時(shi),還(hai)可(ke)以(yi)起(qi)到(dao)防(fang)止(zhi)落(luo)蕾(lei)落(luo)鈴(ling)、爛蕾爛鈴的作用。
4.棉花封溝解決了田間雜草問題。扒土曬根不僅培肥了地力,同時也除掉了雜草根,使雜草失去了生存的環境。
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