论文部分内容阅读
物理肥料是对化学肥料而言,是运用物理原理制成的肥料。使用物理肥料对农作物增产效果显著,而且不造成环境污染。这里介绍三种:1.气体肥料。美
Physical fertilizers are chemical fertilizers that are made using physical principles. The use of physical fertilizers on crops yield significant results, but does not cause environmental pollution. Here are three: 1. Gas fertilizer. nice