论文部分内容阅读
1、育苗地的选择。刺槐苗期忌涝、怕风,不耐寒霜、重碱,喜疏松土壤。应选择不涝、不粘、不碱、背风向阳有灌水条件、排水良好、深厚湿润肥沃的沙壤土育苗。 2、整地施肥。育苗地要经过深耕细整,最好在秋冬季进行深耕,翌年早春顶凌耙细耙平。深度以20～30厘米为宜。耙地时拣出石块草根。结合整地亩施腐熟厩肥4000～5000公斤。亩施硫酸亚铁10～15公斤,防治地下害虫。 3、浸种催芽。刺槐种皮厚而坚硬,透
1, the choice of nursery. Robinia seedlings waterlogging, afraid of the wind, intolerant frost, heavy base, hi loose soil. Should choose not waterlogging, non-stick, no alkali, leeward sunny irrigation conditions, well drained, deep moist and fertile sandy loam soil nursery. 2, land preparation and fertilization. Nursery to go through intensive farming, the best autumn and winter deep plowing, the next spring top rake fine rake flat. The depth of 20 to 30 cm is appropriate. Rake to pick out the stone roots. Accompanied by soil preparation Mushi manure 4000 to 5000 kg. Mushi Shi ferrous sulfate 10 to 15 kg, prevention and control of underground pests. 3, soaking seed germination. Locust seed coat thick and hard, through