杂交高粱全生育期的耗水量,从全县6处旱灌站(点)试验成果看:每亩需水282.3～313.9立方米。其中幼苗规占19.1%,拔节期占34.4%,抽穗期占16.8%.灌浆期占29.7%。实行攻三关(拔节、抽穗,灌浆)、促三壮(壮秆、壮穗、壮粒),发展苗期灌溉,是夺取杂交高粱高产稳产的重要措施。1.拔节水一般情况下杂交高粱 Hybrid sorghum water throughout the growing period of water consumption, irrigation stations from the county six (point) test results: water demand per mu 282.3 ~ 313.9 cubic meters. Among them, seedlings accounted for 19.1%, jointing stage 34.4%, heading stage 16.8%, filling stage 29.7%. The implementation of three offensive (jointing, heading, filling), promote three strong (strong stalk, Zhuang spike, Zhuang grain), the development of seedling irrigation, is to seize the high yield of hybrid sorghum important measure. 1 jointing sorghum hybrid under normal circumstances