Titlebook: Eco-regional approaches for sustainable land use and food production; Proceedings of a sym J. Bouma,A. Kuyvenhoven,H. G. Zandstra Conferenc

渐变

遗忘

Friedrich L. Bauer,Hans Wössnerer there is still any light remaining in Agenda 21. Is Agenda 21 still an issue in international relations? It seems to slowly fade away. Almost no additional funding has emerged for Agenda 21, apart from a valiant effort by Norway. The Netherlands had promised an annual increment of 0.1 percent of

博爱家

Die (p-1)-Faktorisierungs-Methode,on can be gathered on constraints to and possibilities for agriculture in its physical and socio-economic environment. This information can reveal ways to increase agricultural production while at the same time conserving the natural resource base..In this paper attention is given to the methodology

crucial

Die Struktur von (Z/mZ)., Primitivwurzeln,which is derived from the area with soils suitable for cropping and grazing, the amount of irrigation water available, and the farming system used. All farmers are assumed to employ the best known techniques for sustainable farming. Two alternative production systems are explored: optimum productivi

Outwit

cravat

不透明

tattle

货物

K. O. Geddes,S. R. Czapor,G. Labahneractions among components of a production system. They can quantitatively analyze the agro-ecological properties of different land evaluation units in terms of biophysical and socio-economic factors, and their interactions. In this paper, we illustrate this for determining potentials, constraints a

confederacy

Brian Steele,John Chandler,Swarna Reddygn and appraisal of regional development scenarios are presented: (a) comprehensive resource based planning, using multiple goal linear programming techniques, and (b) supply response analysis using econometric techniques and continuous homogeneous production function. Both modelling approaches, app