论文部分内容阅读
“垦引吉青”是1987年黑龙江垦区从吉林省农科院引入的青贮玉米品种。经过1987~1991年连续5年在垦区范围内,进行不同自然条件的生产试验,垦引吉青表现优异,适于在黑龙江省第二、第三积温带种植,是加速发展黑龙江省奶牛饲料的主栽品种。栽培技术要点: 1、适时早播:在黑龙江省第二、三积温带5月上中旬播种,可与当地籽粒玉米播期相同。 2、合理密植:种植适宜密度每亩4700~4800万
“Ken cited Jiqing” 1987 Heilongjiang reclamation area from Jilin Academy of Agricultural Sciences silage corn varieties introduced. After 1987 ~ 1991 for five consecutive years in the reclamation area within the different natural conditions of the production test, Ken cited Kyrgyzstan outstanding performance, suitable for Heilongjiang Province, the second and third accumulation of temperate, is to accelerate the development of dairy cattle feed in Heilongjiang Province Main varieties. Cultivation techniques: 1, timely sowing: in Heilongjiang Province, the second and third plot temperate on the mid-May planting, with the local grain corn sowing the same. 2, reasonable close planting: planting suitable density of 4700 ~ 4800 acres per acre