[Breeding of soybean variety no.85 suitable to second crop cultivation]
1989
Kim, Ch.J. (Inst. for Field Crops, Pyongnam (Korea Democratic People's Republic))
The sowing date of soybean no.85 as a second crop was the 29th of June, ripening date the 30th of Sep. Growing duration was 93 days, growth accumulated temperature 1850 deg C. The stem length was 80 pcs., branch numbers 8 pcs., node numbers 17 pcs., and pod numbers per stem 35-50 pcs. The planting density was the best as to 120-140 per Pyong. The yield was optimum when applied such as nitrogen fertilizer 40 kg and phosphate fertilizer 90 kg as a content quantity
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