Titlebook: Operational Efficiency in Forestry; Vol. 2: Practice C. R. Silversides,U. Sundberg Book 1989 Springer Science+Business Media Dordrecht 1989

neologism

不能根除

Early Thinnings,alone or combined create a situation in forest management when it is desirable to carry out early thinnings, the purpose of which is to regulate the stand in spacing and composition for optimal future growth and also to capture material that would be lost to natural mortality.

Tartar

BRAWL

Operational Efficiency in Forestry978-94-017-0506-6Series ISSN 0924-5480 Series E-ISSN 1875-1334

Apraxia

Forestry Scienceshttp://image.papertrans.cn/o/image/702001.jpg

Keshan-disease

https://doi.org/10.1007/978-94-017-0506-6Transport; forest; forestry; logging

Modicum

Introduction,It was pointed out in Part I that the basic economic problem in forest management is to achieve the most efficient use of productive resources. It is the need to manipulate and use the forest resource with a minimum of human activities that is the concept of operational efficiency with which this book is concerned.

群島

Operational Efficiency,Operational efficiency is defined as the efficient utilization and economical management of the resource (forest). The aim of operational efficiency with which this book is concerned is to economize the human activities in forestry. Human inputs or activities are manipulated to meet certain goals or objectives.

Pde5-Inhibitors

BLANC

Forest Soils,Timber harvesting is primarily a transportation operation. A knowledge of forest soils and their characteristics with regard to passing traffic, both wheeled and tracked, is critical to efficient operation.