Justus von Liebig (1803 -1873) Law of the Minimum Briefly explain the “law of the minimum”.
Soils Up Close: The Soil Profile and Horizon Characteristics.
Utilization of Biosolids for Disturbed Land Rehabilitation
اساسيات علم التربة principle of soil science
W. Lee Daniels and Greg Evanylo Utilization of Biosolids for Disturbed Land Rehabilitation .
