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1建园1.1园地选择应选择在无污染和土壤PH小于8.5,有机质含量1%以上,土层厚度1m以上,地下水位2m以下,土壤含盐量低于0.25%,生态条件良好的地区。选熟地和新开荒沙壤地均可。园地土质较差时,应加强土壤深翻施肥和其它肥水管理措施。园地选好后,根据建园的规模和核桃生长发育的特点,对园地进行整体规划与设计。1.2定植1.2.1苗木选择应选择1~2年生的主根发达、侧根完整、无病虫害、枝干充实并无机械损伤的实生苗。
1 Garden 1.1 Garden selection should be selected in the pollution-free and the soil PH is less than 8.5, more than 1% organic matter content, soil thickness 1m above the groundwater level 2m below the soil salt content of less than 0.25%, good ecological conditions. Ripe selection and the new open desert wasteland can be. When the soil quality in the garden is poor, deep soil fertilization and other fertilizer management measures should be strengthened. After the garden is selected, according to the scale of the park and the characteristics of walnut growth and development, the overall planning and design of the park. 1.2 colonization 1.2.1 Selection of seedlings should choose 1 to 2 years of development of the main root, lateral roots complete, no pests, branches filled with no mechanical damage to the seedlings.