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试验田土壤为粉砂质潮盐土,含有机质0.93%,全氮0.089%,速效磷3.5ppm,速效钾110ppm.基肥亩施磷肥30斤,杂灰20担.生育期间未追肥.试验设4个处理:Ⅰ.拌种,每斤大荚箭豌种拌2克钼酸铵;Ⅱ.拌种加喷施,每斤种拌2克钼酸铵,返青期再喷0.05%的钼酸铵溶液;Ⅲ.根外喷施,返青期喷0.05%的钼酸铵溶液;Ⅳ.对照,种子拌水,返青期喷水.小区面积0.05亩,重复4次.1983年10月11日播种,基本苗每亩2.5万.
The experimental soil was silty tide saline soil with 0.93% organic matter, 0.089% total nitrogen, 3.5ppm available phosphorus and 110ppm available potassium. : Ⅰ. Seed dressing, catty pea seedlings mixed with 2 grams of ammonium molybdate; Ⅱ. Seed dressing plus spray, 2 kg per catty mixed with ammonium molybdate, greening and then spray 0.05% ammonium molybdate solution; Ⅲ. Spraying outside the root, the greening spray 0.05% ammonium molybdate solution; Ⅳ. Control, seed water, greening spray water area of ?? 0.05 acres, repeated 4. October 11, 1983 sowing, the basic seedlings 25,000 per mu.