搜索结果: 1-1 共查到“森林土壤学 seed”相关记录1条 . 查询时间(0.109 秒)
Soil fertility status of 20 seed production areas of Tectona grandis Linn. f. in Karnataka, India
soil properties seed production area fruit production
2015/3/27
The seed production area (SPA) is an improved plantation managed for production of quality seeds for a large-scale plantation programme. The soil nutrient is one of several factors affecting seed prod...
