资源 标记: Inorganic Fertilizer
1 条目已找到 (正在显示 1 - 1)
- 1985-01-01 Every farmer and gardener realizes that plants receive some of their substance from the soil. Just how much plants depend on soil fertility is not always obvious, however, because so many other factors also influence plant growth--water, sunlight, pests, and plant variety (genetics). In regions...