📁 生物Control
Biological control is the use of natural predators to control problem organisms. Includes websites that describe biological control methods, techniques, and the science and research behind them. Also websites advocating other non-chemical means of controlling pests and diseases.
条目 (9+)
Revised Universal Soil Loss Equation 2 - Overview of RUSLE2
http://www.ars.usda.gov/Research/docs.htm?docid=6010