杂交高粱夏播是改二年三熟为一年二熟的重要措施之一。但是“三夏”农活集中,往往不能及时播种。“春争日、夏争时”,夏播不适时,生育期延长,秋季倒茬更晚,这样又会影响小麦适时秋播。部分高粱茬秋播小麦出现三类苗,茬口晚就是一个主要原因。解决杂交高粱夏播早熟,对于保证小麦、高粱两季高产,具有重大意义。几年的实践证明,在有条件的地方,实行杂交高粱育苗移栽,是解决早熟的有效方法。 Hybrid sorghum summer sowing is to change two years of three crops for the second of one of the important measures. However, “three summer” farming concentrated, often can not be sown in time. “Spring, the summer battle”, summer sowing discomfort, the growth period is extended, fall stubble later, it will affect the timely autumn wheat broadcast. Part of sorghum crop autumn wheat three types of seedlings, stubble night is a major reason. Solve the hybrid sowing summer sowing, for ensuring high yield of wheat, sorghum two seasons, of great significance. Years of practice has proved that in conditional areas, the implementation of hybrid sorghum seedling transplanting, is an effective way to solve the precocious.