手機版
panduanyumishifouzhengchangchengshubunengjinkanwaibiao，ershiyaozhezhongkaochaziliguanjiangshifoutingzhi，yishenglichengshuzuoweishouhuobiaozhun。yumizilishenglichengshudezhuyaobiaozhiyouliangge，yishizilijibuheisecengxingcheng，ershiziliruxianxiaoshi。yumichengshushishifouxingchengheiseceng，butongpinzhongzhijianchabiehenda。youdepinzhongchengshuyihouzaiguoyidingshijiancainengkandaomingxiandeheiseceng。
因此最簡單的判斷方法是：當全田90％以上的植株莖葉變黃，果穗苞葉枯白，籽粒變硬（指甲不能掐入），顯xian出chu該gai品pin種zhong籽zi粒li色se澤ze時shi，玉yu米mi的de產chan量liang最zui高gao玉yu米mi即ji成cheng熟shu可ke收shou獲huo。可ke以yi作zuo為wei玉yu米mi適shi期qi收shou獲huo的de主zhu要yao標biao誌zhi。同tong時shi，玉yu米mi籽zi粒li基ji部bu黑hei色se層ceng形xing成cheng也ye是shi適shi期qi收shou獲huo的de重zhong要yao參can考kao指zhi標biao。
許xu多duo高gao產chan栽zai培pei技ji術shu能neng夠gou有you效xiao的de使shi玉yu米mi高gao產chan優you質zhi，大da多duo數shu人ren忽hu視shi了le玉yu米mi收shou獲huo期qi的de重zhong要yao性xing。每mei一yi個ge玉yu米mi品pin種zhong都dou有you一yi個ge相xiang對dui固gu定ding的de生sheng育yu期qi，隻zhi有you滿man足zu其qi生sheng育yu期qi要yao求qiu，在zai玉yu米mi正zheng常chang成cheng熟shu時shi收shou獲huo才cai能neng實shi現xian高gao產chan優you質zhi。
