Titlebook: Soils and the Environment; A Guide to Soil Surv Gerald W. Olson Book 1981 Dowden & Culver, Inc. 1981 agriculture.development.energy.environ

诱拐

Engineering Applications,ineering analyses and data that make soil information more quantitative thereby provide a data base for soil profile descriptions so they can be more fully utilized. Engineering applications of soil information are fully as important for agricultural operations as for construction activities. Many s

Indecisive

颂扬国家

Erosion Control,ent decisions, and many decisions about land use involve erosion control. Topsoils and A horizons generally contain the most nutrients and best structure for plant growth, and any materials eroded from the upper part of the soil profile have a detrimental effect upon crop yields and plant growth. So

兴奋过度

Colonnade

Cpap155

埋伏

Corral

Obloquy

Computerized Data Processing,ve of the Agricultural Experiment Stations and other contributors to the Cooperative Soil Survey. It is a very lengthy and detailed mimeographed technical manual, and only a small part of the content will be discussed in this chapter.

极端的正确性