一、抓好播种质量1.播种期。山东棉区大田条件下,春棉可于4月15～25日播种;盐碱地棉田因地温回升慢,棉种吸水困难,可适当晚播,于4月25～30日播种;短季棉晚春播的播期一般应在5月20日前后播种。采用营养钵育苗移栽的可于3月底 First, do a good job sowing quality 1. Sowing period. Spring cotton can be planted on April 15-25 in field condition of Shandong cotton area; saline-alkali soil cotton field is slow sown due to the slow temperature rise and cotton is difficult to absorb water, which can be sowed later in April 25 ~ 30; The sowing date should generally be sown around May 20. Nutritional seedlings can be transplanted by the end of March