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近两年,江苏省东辛农场推广玉米高、稳、优(高产密植、稳产抗倒、优化品种)栽培技术,产量逐年增加,1988年和1989年两年累计推广1.3万亩,平均亩产比历史最好年份的1986年增产31%。东辛农场万亩夏玉米亩产增三成的主要经验如下。一、高产必须密植玉米穗数的增加直接取决于密度的提
In the recent two years, East Xin Farm in Jiangsu Province has promoted the cultivation technology of high, stable and excellent quality of maize (high density and close planting, stable production and lodging resistance, optimized varieties) and its output has been increasing year by year. In 1988 and 1989, the total annual output was 13,000 mu A 31% increase over 1986 in the best years of history. East Xin Mu mu acres of corn yield by three percent of the main experience is as follows. First, the high yield must be close planting The increase in the number of ears directly depends on the density of mention