芒種時(shi)(shi)節麥已成熟,若(ruo)遇連雨(yu)天氣(qi),甚至冰雹災(zai)害,會使(shi)小麥無法及時(shi)(shi)收割(ge)、脫粒(li)(li)而導致倒(dao)伏(fu)、落粒(li)(li)、穗上發芽、爛麥場。必須抓緊一切有利時(shi)(shi)機,搶割(ge)、搶運、搶脫粒(li)(li),“收麥如(ru)救火,龍(long)口把糧(liang)奪”正形(xing)象地說明(ming)了麥收季節的緊張氣(qi)氛。
民間有(you)“芒種(zhong)(zhong)(zhong)(zhong)不種(zhong)(zhong)(zhong)(zhong),再種(zhong)(zhong)(zhong)(zhong)無用”、“芒種(zhong)(zhong)(zhong)(zhong)插(cha)得是個寶,夏(xia)至插(cha)得是根草(cao)”這些諺(yan)語,是因(yin)為(wei)夏(xia)大豆、夏(xia)玉米等夏(xia)種(zhong)(zhong)(zhong)(zhong)作物的生長期(qi)有(you)限,為(wei)保證到秋霜前(qian)收(shou)獲,必須提早播種(zhong)(zhong)(zhong)(zhong)栽插(cha),才(cai)能(neng)取得較高產量。
芒種(zhong)節氣(qi)后雨水漸多,氣(qi)溫漸高(gao),棉花(hua)、春玉米等春種(zhong)的(de)莊稼(jia)(jia)已(yi)進人需(xu)水需(xu)肥與生長高(gao)峰,不僅(jin)要追肥補水,還(huan)需(xu)除草(cao)和防(fang)病(bing)治蟲(chong)。否則(ze),病(bing)蟲(chong)草(cao)害、干旱、漬澇、冰雹等災害同時發生或交替出(chu)現,春種(zhong)莊稼(jia)(jia)輕則(ze)減產,重則(ze)絕收。