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包括京郊在内的全国各地生产实践表明,进一步提高玉米单产,应在不断完善、提高“通用”高产栽培技术基础上,以优良品种为先导,做到良种良法配套.而采用紧凑型玉米良种是夺取玉米高产的重要前提条件.
Production practices in various parts of the country, including the suburbs of Beijing, have shown that further improvement of yield per hectare should be based on continuous improvement and improvement of high-yielding cultivation techniques of “universal” Maize variety is an important prerequisite for the high yield of corn.