机译:播种时间对大葱抽ing返青的影响
College of Horticulture, Northeast Agricultural University, Harbin 150030, China;
College of Horticulture, Northeast Agricultural University, Harbin 150030, China;
College of Horticulture, Northeast Agricultural University, Harbin 150030, China;
College of Horticulture, Northeast Agricultural University, Harbin 150030, China;
welsh onion, sowing time, leaf age of overwinter, bolting, returning green;