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1998、1999两年间,我们在程庄村进行了用ABT8号生根粉浸棉种试验,面积为1公顷,沙壤土,属中等肥力,播期在4月20日,供试品种为2031、新棉33B(不包衣)采用地膜覆盖,播前每公顷底施粗肥5.25万公斤,棉籽饼750公斤,二铵300公斤,全生育期分两次追施尿素600公斤,其它管理同大田一般。 试验共分每1公斤水用ABT生根粉8号20、25、30毫克三个不同含量的浸种处理,以清水处理为对
In 1998 and 1999, we conducted a trial of powdering cotton seedlings with rooting at ABT8 in Chengzhuang Village, covering an area of 1 hectare with sandy loam. It was moderately fertile. The sowing date was April 20, and the varieties tested were 2031 and new cotton 33B (Not coated) with mulching, before the sowing at the end of sowing at the end of 52,500 kg of crude fat, cottonseed cake 750 kg, 300 kg of diammonium, the entire growth period of urea twice 600kg topdressing, other management with the field in general. Tests were divided into 1 kg of water with ABT rooting powder 8, 20,25,30 mg three different levels of soaking treatment, with water treatment as