一、避免片麵追求新奇品種。一般新奇品種都是未正式參加區域試驗、未(wei)經(jing)審(shen)定(ding)的(de)品(pin)係(xi),具(ju)有(you)一(yi)定(ding)的(de)風(feng)險(xian)性(xing)和(he)產(chan)量(liang)不(bu)穩(wen)定(ding)性(xing),遇(yu)到(dao)特(te)殊(shu)情(qing)況(kuang)易(yi)造(zao)成(cheng)大(da)幅(fu)度(du)減(jian)產(chan),使(shi)種(zhong)植(zhi)者(zhe)蒙(meng)受(shou)損(sun)失(shi)。因(yin)此(ci),在(zai)選(xuan)擇(ze)品(pin)種(zhong)時(shi)應(ying)選(xuan)擇(ze)通(tong)過(guo)國(guo)家(jia)、省級審定推廣的品種,切忌追求新奇特品種或聽信虛假廣告,以免造成不必要的經濟損失。
二、避免單純追求高產、高gao水shui肥fei品pin種zhong。小xiao麥mai品pin種zhong都dou有you其qi相xiang適shi應ying的de地di域yu和he水shui肥fei條tiao件jian要yao求qiu,高gao水shui肥fei品pin種zhong隻zhi有you種zhong在zai高gao水shui肥fei地di塊kuai才cai能neng發fa揮hui其qi增zeng產chan潛qian力li,種zhong在zai瘠ji薄bo地di,不bu但dan增zeng不bu了le產chan,反fan而er會hui減jian產chan。因yin此ci選xuan擇ze品pin種zhong時shi應ying根gen據ju地di力li和he水shui肥fei條tiao件jian,選xuan擇ze與yu其qi相xiang適shi應ying的de品pin種zhong,使shi之zhi獲huo得de好hao收shou成cheng。
三、bimianbukandiyu,mangmugouzhongzhongzhi。yishixiaomaipinzhongjuyouyidingdediyuxing,ruyoudepinzhongshiyihandizhongzhi,youdepinzhongshiyizhongshuifeidizhongzhi,youdeshiyigaoshuifeidizhongzhi;二是按照品種特征特性分為強冬性、冬性、半冬性、春性和弱春性品種。因此,應根據品種特征特性和當地的生態條件、生產水平、種植習慣、播種時間等,選擇相適應的品種,以達到高產、穩產的目的。
四、bimianzhikanchanliangbukanpinzhi。xiaomaizilidepinzhizhijieyingxiangmianfenjiqizhipindezhilianghexiaoyi,xuanzepinzhongshiyinggenjudangdinongyebumenzhidingdepinzhongbujufangan,jiliangshibumenduizilipinzhideyaoqiudeng,tongshihaiyingkaolvpinzhiyushichangxuqiudengwenti。
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