標(biāo)題: 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 [打印本頁] 作者: Coolidge 時間: 2025-3-21 16:16
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書目名稱Applications of Systems Approaches at the Farm and Regional Levels讀者反饋
書目名稱Applications of Systems Approaches at the Farm and Regional Levels讀者反饋學(xué)科排名
作者: 描繪 時間: 2025-3-21 20:21
A Fuel of the Future: Natural Gas,natural resource management scenarios, and of various levels throughout the agroecological hierarchy, will help identify quantifiable indicators towards ecological sustainability in agricultural development.作者: lymphoma 時間: 2025-3-22 01:15 作者: 蔑視 時間: 2025-3-22 07:13
Flow modelling with ECOPATH: providing insights on the ecological state of agroecosystemsnatural resource management scenarios, and of various levels throughout the agroecological hierarchy, will help identify quantifiable indicators towards ecological sustainability in agricultural development.作者: lethargy 時間: 2025-3-22 11:49
Conference proceedings 1997tical models and computer simulation provideobjective tools for applying science to determine and evaluate optionsfor resource management at field, farm and regional scales. However,these tools would not be fully utilizable without incorporating socialand economic dimensions into their application. 作者: 座右銘 時間: 2025-3-22 15:26
Energy Economics and Financial Marketsction; animal weight gain, reproduction, and import and export of nutrients through fertilizer, purchased feed, milk, and animal sales are accounted for. Rations for animals leading to zero excess manure phosphorus at best economic return are identified by simultaneously minimizing excess manure phosphorus, feed cost and cropland requirement.作者: vocation 時間: 2025-3-22 17:33
Energy Economics and Financial Marketsn the expert system using a yes/no decision tree framework. Preliminary verification of the system prototype using data from the Dominican Republic and evaluation of the system by potential users suggest that it is logically consistent, reasonably accurate (83% for tree orchard; 68% for contour hedgerows) and potentially useful.作者: 全部 時間: 2025-3-22 22:45 作者: 斜 時間: 2025-3-23 04:14
Modelling socioeconomic influences on agroforestry adoption using a rule-based decision support systn the expert system using a yes/no decision tree framework. Preliminary verification of the system prototype using data from the Dominican Republic and evaluation of the system by potential users suggest that it is logically consistent, reasonably accurate (83% for tree orchard; 68% for contour hedgerows) and potentially useful.作者: 破譯密碼 時間: 2025-3-23 09:34
0928-9526 t. Mathematical models and computer simulation provideobjective tools for applying science to determine and evaluate optionsfor resource management at field, farm and regional scales. However,these tools would not be fully utilizable without incorporating socialand economic dimensions into their app作者: 態(tài)學(xué) 時間: 2025-3-23 12:46
System Approaches for Sustainable Agricultural Developmenthttp://image.papertrans.cn/a/image/159585.jpg作者: 法律的瑕疵 時間: 2025-3-23 16:28 作者: 流動性 時間: 2025-3-23 19:51 作者: Expurgate 時間: 2025-3-24 01:38
978-94-010-6278-7Kluwer Academic Publishers 1997作者: fidelity 時間: 2025-3-24 04:50
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作者: ostrish 時間: 2025-3-24 08:28 作者: 故意 時間: 2025-3-24 13:15
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作者: happiness 時間: 2025-3-24 17:56
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作者: 陰郁 時間: 2025-3-24 21:49
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作者: miniature 時間: 2025-3-25 00:09 作者: 討人喜歡 時間: 2025-3-25 05:28
Economics of Electricity Supplytion in Asia. The term ‘pest’ is used here to encompass any harmful agent, including pathogens, insects, and weeds. This methodology combines two separate approaches: assessing risk probability, and quantifying risk magnitude. Risk probability may be defined as the probability of a particular pest c作者: 發(fā)出眩目光芒 時間: 2025-3-25 08:18
Ayhan Kapusuzoglu,Mehmet Baha Karanimpact of national environmental protection policies are provoking rapid transformations in highland farmers’ strategies and practices evolving from slash and burn to more intensive, diverse production systems. In such a context, most of the attempts at transferring standard recommended technologies作者: fiscal 時間: 2025-3-25 11:51 作者: Gorilla 時間: 2025-3-25 17:37 作者: PUT 時間: 2025-3-25 23:16
Energy Economics and Financial Marketsnd economic liberalization. Decision-making processes related to farm management are more complex and diversified than ever. Normative models of management and research offering ‘one best way’ solution are no longer efficient in such a context. A new approach is presented here, based on (i) the conc作者: 喃喃而言 時間: 2025-3-26 02:28 作者: 使長胖 時間: 2025-3-26 07:53 作者: dapper 時間: 2025-3-26 09:42 作者: chassis 時間: 2025-3-26 16:24 作者: conscribe 時間: 2025-3-26 17:19
A Fuel of the Future: Natural Gas,nt developments within network analysis of trophic interactions, it computes a series of system attributes. Such quantified properties can also be useful for evaluation of agroecosystems and for providing insights into their ecological performance, productivity and efficiency. This has been demonstr作者: synchronous 時間: 2025-3-26 21:18
Discounting and Capital Values, three attributes, and the strength of their expression, change depending on the use to which the model is put: whether for a technical, a practical or an emancipatory purpose. The relative emphasis on the accuracy of technical models may be misplaced if they are to be used to facilitate performance作者: infinite 時間: 2025-3-27 04:56
Energy Economics: CO2 Emissions in China and by a farm simulation model. We take a ‘bottom-up’ approach that builds incrementally on approaches and data standards that have proven useful for field-level analyses. A schedule of field operations links field-level production process to enterprise-level resource accounting. Prices convert res作者: Transfusion 時間: 2025-3-27 07:48 作者: 衣服 時間: 2025-3-27 11:52 作者: 四牛在彎曲 時間: 2025-3-27 16:23 作者: 我就不公正 時間: 2025-3-27 18:19
Energy and Sustainable Development, which ensures that social and economic boundary conditions for each of the interest groups in a watershed are considered. It should also serve as a negotiation tool for groups inside and outside the watershed, to allocate the costs and benefits of soil conservation. The development of the conceptu作者: 注入 時間: 2025-3-28 00:19 作者: 狗舍 時間: 2025-3-28 03:46 作者: 不如樂死去 時間: 2025-3-28 08:59
The Economics of Renewable Energy Supplypractices, and their consequences for the nutrient and carbon balance. Farm household resource endowments and expenditures condition allocation procedures. Dynamic properties are incorporated into the model through the savings and investment module, while a time discount rate accounts for risk behav作者: 后退 時間: 2025-3-28 13:06
Economics of Electricity Supplyinfestation correspond to very high risk magnitudes. Yield losses due to pest injuries are often strongly influenced by changes in production situation, and, therefore, by variation in attainable yield. The pattern of this relationship strongly depends on the nature of the pest, however. Different p作者: GIST 時間: 2025-3-28 15:10 作者: peritonitis 時間: 2025-3-28 22:33 作者: 陰謀小團(tuán)體 時間: 2025-3-29 00:09 作者: CRASS 時間: 2025-3-29 03:36 作者: PANIC 時間: 2025-3-29 10:55 作者: 啪心兒跳動 時間: 2025-3-29 13:23
Discounting and Capital Values,hasis on explanatory power. The issue of the articulation of different model categories becomes important as models are used to design and engineer changes in the models used by others for different purposes, and as work is done simultaneously with different model categories to achieve a particular 作者: 常到 時間: 2025-3-29 17:08
Energy Economics: CO2 Emissions in Chinat of aggregating enterprise production or returns across the farm. At the next level, farm analysis accounts for constraints of various resources and for off-farm income and expenditure, requiring an initial inventory of resources. Dynamic production, consumption and investment decisions add complex作者: 陰郁 時間: 2025-3-29 22:39 作者: 不發(fā)音 時間: 2025-3-30 03:45 作者: GRAZE 時間: 2025-3-30 08:02
Interdisciplinary tool for optimizing agricultural production and erosion: a conceptual model, which ensures that social and economic boundary conditions for each of the interest groups in a watershed are considered. It should also serve as a negotiation tool for groups inside and outside the watershed, to allocate the costs and benefits of soil conservation. The development of the conceptu作者: 王得到 時間: 2025-3-30 08:18
The economics of wheat production in the rice-wheat system in Nepalarkets are found to be much more responsive to changes in wheat prices than farmers without access to such infrastructure. The effectiveness of price policies in increasing wheat production thus appears to be conditional on the level of infrastructure development.作者: Altitude 時間: 2025-3-30 14:30 作者: 離開可分裂 時間: 2025-3-30 20:07
The impact of agrarian policies on sustainable land usepractices, and their consequences for the nutrient and carbon balance. Farm household resource endowments and expenditures condition allocation procedures. Dynamic properties are incorporated into the model through the savings and investment module, while a time discount rate accounts for risk behav作者: habile 時間: 2025-3-30 23:10 作者: ARK 時間: 2025-3-31 04:42 作者: 階層 時間: 2025-3-31 07:14
From decision-making process analysis to modelling and simulation of farm management: application ton spring is critical because of cold temperatures. We show how farmers organize their work from ploughing to seeding, how we can model and simulate this specific organization, and how the advice process is structured around this knowledge. The second case is in the Senegal River delta (Senegal), whe作者: grudging 時間: 2025-3-31 11:27 作者: Facet-Joints 時間: 2025-3-31 15:40
Economic and financial performance evaluation of a farm in the Brazilian savannasucture, is being developed. The major objective is to develop a framework for . evaluation of integrated regional planning schemes based on evaluation of real-world data. This evaluation effort is in progress and is generating farm management information that will be used to develop a comprehensive 作者: 鳥籠 時間: 2025-3-31 21:17
Factors influencing animal traction adoption in Kakamega district, Kenyamainly economic factors rather than sociological and institutional factors. In particular, the number of oxen available to farmers, availability of credit and the price of maize are the major determinants of animal traction in the study area. It is, therefore, recommended that efforts be made to inc作者: 察覺 時間: 2025-4-1 00:46 作者: 前面 時間: 2025-4-1 03:08 作者: 語源學(xué) 時間: 2025-4-1 06:52 作者: 撫育 時間: 2025-4-1 10:10 作者: 失眠癥 時間: 2025-4-1 16:43
