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山东泰安专区从1952年即开始推广棉种在播种前进行晒种及播种时用硫铵拌种办法。几年来在全区来说:虽然推广的不够广泛,但一股在劳模与好的社组中已都采用。如莱芜县四区官庄乡兰沟崖村方信忱互助组进行晒种,据他们经验一般晒种后可提早出苗2天多,多出苗1至1成半,并出苗整齐旺盛。具体晒的方法与时间:在播种前10天左右把棉种粒选好后,薄薄的摊在向阳干燥地方(用席盛种),每天在中午前后晒4—5小时,连续翻晒6—7天。每日晒种
Shandong Tai’an area since 1952 that is, to promote the cotton seed in the sun before planting and seeding with ammonium sulfate seed dressing approach. Over the past few years in the region: Although the promotion is not widespread enough, but one has been adopted in model workers and good social groups. Such as Laiwu County Guanzhuang Township Lancang Yaocun Fang Xinchen Mutual help group for drying, according to their experience can generally be early seedlings after 2 days of seedlings, more seedlings 1 to 1 into a half, and sprouting neatly. Specific drying methods and time: about 10 days before sowing the cotton seed selected, the thin spread in the sunny dry place (with seats Sheng species), sun 4-5 hours a day before and after noon, continuous sun drying 6- 7 days. Daily sunburn