芒種時(shi)(shi)節(jie)麥(mai)(mai)已成熟(shu),若(ruo)遇(yu)連雨天氣(qi),甚至(zhi)冰雹災害,會使小麥(mai)(mai)無(wu)法(fa)及時(shi)(shi)收(shou)割、脫粒(li)(li)而導(dao)致倒(dao)伏、落粒(li)(li)、穗上發芽、爛麥(mai)(mai)場。必(bi)須抓緊(jin)一切有利時(shi)(shi)機,搶(qiang)(qiang)割、搶(qiang)(qiang)運、搶(qiang)(qiang)脫粒(li)(li),“收(shou)麥(mai)(mai)如救火,龍口(kou)把糧奪(duo)”正形象(xiang)地(di)說(shuo)明了麥(mai)(mai)收(shou)季節(jie)的緊(jin)張氣(qi)氛。
民(min)間(jian)有(you)“芒種(zhong)(zhong)不種(zhong)(zhong),再種(zhong)(zhong)無用”、“芒種(zhong)(zhong)插(cha)得是個寶,夏至(zhi)插(cha)得是根(gen)草”這些(xie)諺語,是因為夏大豆、夏玉米等夏種(zhong)(zhong)作物(wu)的生長期有(you)限,為保證到(dao)秋霜前收獲,必須提早播種(zhong)(zhong)栽插(cha),才能取(qu)得較高(gao)產量。
芒種(zhong)節氣(qi)后(hou)雨水漸多,氣(qi)溫(wen)漸高(gao),棉花、春(chun)玉米等春(chun)種(zhong)的莊稼已進人需水需肥與生長高(gao)峰,不僅要追(zhui)肥補水,還需除(chu)草和(he)防病(bing)治蟲。否則,病(bing)蟲草害、干旱、漬(zi)澇、冰雹等災害同時(shi)發(fa)生或交替出現,春(chun)種(zhong)莊稼輕(qing)則減(jian)產(chan),重(zhong)則絕收。