Titlebook: Applications of Systems Approaches at the Farm and Regional Levels; Proceedings of the S P. S. Teng,M. J. Kropff,H. H. Laar Conference proc

态学

System Approaches for Sustainable Agricultural Developmenthttp://image.papertrans.cn/a/image/159585.jpg

法律的瑕疵

流动性

Expurgate

978-94-010-6278-7Kluwer Academic Publishers 1997

fidelity

https://doi.org/10.1007/978-1-4471-7468-4echnology for a farm cannot be determined by crop, soil and weather factors alone. Resource constraints cannot be determined at the field scale, and neither can risks to the economic or nutritional well-being of the household. Systems approaches at the farm scale must take account of biophysical cha

ostrish

故意

Energy and Sustainable Developmentates and farm profitability from different land uses need to be optimized according to physical economic and social constraints, which differ for the interest groups in and outside a catchment. The Interdisciplinary Tool for Optimizing Productivity and Erosion (ITOPE), a conceptual model at this poi

happiness

Understanding and Analysing Energy Demandlow. The economics of wheat production in a typical rice-wheat area of Nepal is examined using a linear programming model. In order to assess the effect of irrigation and marketing infrastructure on the economics of wheat production and elasticity of wheat supply, representative models for four loca

阴郁

Economics of Non-Renewable Resource Supplymanagement practice is, however, low. This paper examines the long-term effects of mulching on soil fertility, the decreasing accessibility of fallow and, consequently, the reduction in the opportunity of restoring the soil fertility through a fallow using a multi-period dynamic linear programming m

miniature