搜索结果: 1-15 共查到“农学 demand”相关记录23条 . 查询时间(0.03 秒)
Allometric Biomass Models for European Beech and Silver Fir: Testing Approaches to Minimize the Demand for Site-Specific Biomass Observations
biomass Romania site-specific Fagus sylvatica Abies alba Bayesian model mixed effect models
2023/12/11
In this paper, site-specific allometric biomass models were developed for European beech (Fagus sylvatica L.) and silver fir (Abies alba Mill.) to estimate the aboveground biomass in inca virgin?fores...
Cropland Expansion Mitigates the Supply and Demand Deficit for Carbon Sequestration Service under Different Scenarios in the Future-The Case of Xinjiang
carbon sequestration different scenarios land use sustainable development Xinjiang
2023/11/20
China's double carbon initiative faces huge challenges, and understanding the carbon sequestration service of terrestrial ecosystems under future interannual regional land use change is important to r...
The Demand for a Malaria Vaccine: Evidence from Ethiopia
Malaria vaccine Malaria control benefits Ethiopia
2015/9/18
This study measures the monetary value households place on preventing malaria in Tigray,
Ethiopia. We estimate a household demand function for a hypothetical malaria vaccine and compute
the value of...
Agricultural subsidy with capacity constraints and demand elasticity
allowance constrained farmland inputs inhibiting effect stimulating effect
2015/2/6
Agricultural subsidy has attracted more and more attention. This paper captures the effects of subsidy (including area subsidy and price subsidy) on the total sown areas of crops based on the assumpti...
Household demand elasticities for meat products in Uruguay
incomplete systems two-step estimation
2014/10/23
This article analyzed the demand for meats at household level over the past decade in Uruguay, a country that exhibits a very high per capita consumption of these products. In particular, the consumpt...
Demand and Supply of Water for Agriculture: Influence of Topography and Climate in Pre-Alpine, Mesoscale Catchments
Agriculture Irrigation Climate Discharge WaSim-ETH
2013/3/8
With climate change, water may become limited for intensive agriculture even in regions presently considered “water-rich”. Information about the potential water requirement and its temporal and spatia...
Modelling structural changes in the poultry meat demand – the case of Slovakia
meat consumption poultry meat price elasticity income elasticity individual households' categories fixed effect
2014/2/27
The main objective of this paper is to investigate the determinants of the households' poultry meat consumption using the main economic factors. The price, income and cross-price elasticities of the p...
African cereal demand and supply analysis: Past trends and future prospect
Africa per capita cereal harvesting land cereal yield
2011/1/12
For the past four decades there has been an overwhelming dependence on cereals for daily direct human food energy in Africa. Most of these demands were largely met through domestic production, althoug...
Determinants of aggregate household demand for edible oils in Imo State
Palm kernel oil groundnut oil consumers’ preference and demand elasticity
2011/1/12
The data for the study were obtained from a stratified random sample of 92 consumers of the two products across the three agricultural zones in the state, using a well structured questionnaire. Analys...
Demand for inputs in tomato and cucumber: The case of Uzundere
Translog cost demand tomato cucumber Turkey
2011/1/10
The aim of this study was to determine the gross margins of cucumbers and tomatos in greenhouses, price and cross elasticities and Morishima technical substitution elasticity of the inputs such as lab...
Response of Leaf Water Potential of Rice (Oryza sativa L.) to Evaporative Demand under Paddy Field Conditions:II. Relationship between response and yield
Evaporative demand Grain yield Leaf water potential Location Radiation Spikelet number
2009/7/31
We observed previously (Part 1) that maintenance ability of leaf water potential (Ψ1) in rice plants under paddy field conditions changed depending on planting years and seasons and individual locatio...
Response of Leaf Water Potential of Rice (Oryza sativa L.) to Evaporative Demand under Paddy Field Conditions : I. Changes with plant development
Evaporimeter Evaporative demand Growth stage Leaf water potential
2009/7/31
Because the leaf water potential (Ψ1) of the rice plant (Oryza sativa L.) is strongly affected by the evaporative demand of the atmosphere under paddy field conditions, and most changes in Ψ1 reflect ...
Flowering Control of Small-flowered Chrysanthemums (Dendranthema grandiflorum (Ramat.) Kitamura) with July Flowering Type by Night-break Lighting Treatment–Systematic Production for High Demand Time–
Chrysanthemums Flowering Control cultivars day-length
2009/7/13
For the purpose of systematic production in an open field, small-flowered chrysanthemums responding to day-length were selected from cultivars of the July-flowering type, and the possibility of shippi...
Groundnut Cultivation in the Peninsular Region, Shandong Province, China—Its development, practices and relation to the supply and demand in Japan
Cultivation practices China Relay-cropping Traditional farming systems Shandong Groundnut
2009/7/9
Groundnut Cultivation in the Peninsular Region, Shandong Province, China—Its development, practices and relation to the supply and demand in Japan.
Determining the farmer demand for olive oil premium support: The case of Izmir, Turkey
olive oil premium support support policy agricultural policy
2014/3/3
The contribution is aimed at the research testing the reflection of olive oil premium support on farmers on the
case of izmir, in Aegean region which is an important production area. The findings po...