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定植当年芦笋肥料需求量剧增．生长发育速度极快。芦笋定植当年生长发育状况直接决定着第二年产量的高低。研究N、P肥对芦笋早期生长发育的影响．对于指导芦笋追肥．提高施肥效益有重要的指导意义。1材料与方法1，1材料芦笋品种为UC800．购自美国、三月中旬露地育苗（出苗前覆
The demand for asparagus fertilizer increased rapidly during the year of colonization. Rapid growth and development. Asparagus planting year growth and development status directly determines the level of the second year of production. Effects of N and P fertilizers on early growth and development of asparagus For guidance asparagus dressing. Improve fertilizer efficiency has important guiding significance. 1 Materials and Methods 1.1 Materials Asparagus varieties for the UC800. Purchased from the United States, mid-March nursery (pre-emergence cover