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1 选择适宜品种从近几年引种情况来看,选择特早1号、天禾极早生,很适合此栽培方式。2 小拱棚营养钵培育壮苗2.1 适期播种几年来实践证明,我地适宜播期为2月中旬至下旬。2.2 营养土准备选5份菜园土或河泥,充分曝晒过筛后,掺入优质腐熟堆肥3份、草木灰2份。再按50kg 营养土加入0.15kg 磷酸二铵、0.1kg 尿素,充分混匀后堆闷15～20d 以上(堆闷时应用薄膜盖严)。用时,应
1 Select the appropriate varieties introduced from the recent years the situation, the selection of special early 1, Tian He very early health, it is suitable for this cultivation methods. 2 small arch shed nutrition bowl to cultivate strong seedlings 2.1 sowing the appropriate period of practice proved that I am suitable for sowing from mid-February to late. 2.2 Nutrient soil preparation Select 5 parts of garden soil or river mud, fully exposed to the screening, the incorporation of 3 parts of high-quality composting compost, 2 parts of ash. Then add 50kg of nutrition soil 0.15kg diammonium phosphate, 0.1kg urea, after mixing thoroughly pile boring 15 ~ 20d above (heap stuffy when the film is covered with strict). Use, should