核桃林

巩留野核桃林土壤的形成及其特征特性

Formation and Characteristics of Wild Walnut Forest Soils in Gongliu County

间作小麦和玉米的核桃林Ⅱ生长指标也显著低于间作小麦、花生和棉花的核桃林Ⅲ。

The intercropping walnut ⅱ forest of wheat and corn were significantly lower than the intercropping walnut ⅲ .

采用随机设计，实地试验的方法，对渭北黄土高原核桃林下土壤水分状况及其变化规律进行了研究。

Based on random design and field experiments , the soil moisture condition and its changing law of walnut forest land were studied .

嫁接核桃林Ⅱ、Ⅲ在核桃地径生长、树高生长、枝下高、冠幅、枝梢数、花芽数、标准枝长度和粗度显著优于实生核桃林Ⅰ；

Basal diameter , tree height , tree height under first branch , crown diameter , branches , blossoms , length of branches and thickness of branches in the grafted walnut forest ⅱ、ⅲ were better than those of seed forest .

山核桃低产林改造经济效益分析

Analysis on Economic Benefit of Transformation of Low Yield Carya cathayensis

核桃楸人工林适生条件的研究安徽山核桃适生条件及丰产栽培研究

Studies on the Growing Conditions for Man-Made Forest of Manchurian Walnut

说明板栗和核桃干果经济林能够较好地改善该地区的土壤结构，具有良好的土壤水文生态功能。

Economic dry fruits forests can improve soil structure and form good soil hydrology characteristics in hilly area of central south of Shandong Province .