Plant water status is a key factor impacting crop growth and agricultural watermanagement. Cropwater stress may alter canopy temperature, the energy balance, transpiration, photosynthesis, canopy water use efficiency, and crop yield. The objective of this study was to calculate the Crop Water Stress Index (CWSI) from canopy temperature and energy balance measurements and evaluate the utility of...

This paper identifies the key causal factors behind farmers’ marketing decisions in Mozambique. A two-step decision making process is modelled. Farmers decide, first, whether or not to participate in the market and, second, how much to market. The model is estimated using a Heckman switching regression approach. Marginal effects are calculated for the poor and the nonpoor and broken down into a...

v

vi

The overall goal of this paper is to examine the impacts of trade liberalization on China's agriculture, in general, and poverty, in particular. The impacts on agriculture are analyzed by commodity and by region. Because different farmers (especially those in different income brackets) produce diverse sets of commodities, themain part of our paper analyzes the effects on households and their im...

The Agricultural Policy Environmental eXtender (APEX) model has been widely applied to assess phosphorus (P) loss in runoff water and has been proposed as a model to support practical decisions regarding agricultural P management, as well as a model to evaluate tools such as the P Index. The aim of this study is to evaluate the performance of APEX to simulate P losses from agricultural systems ...

Tap water samples were collected from 180 families in four agricultural (KYR: Keyir, KRW: Kariwak, YTR: Yatur, DW: Dawanqi) and two pastoral areas (B: Bulong and Y: Yangchang) in Bay County, Xinjiang, China, and levels of seven trace elements (Cd, Cr, As Ni, Pb, Zn, Se) were analyzed using inductively-coupled plasma mass spectrometry (ICP-MS) to assess potential health risks. Remarkable spatial...

Increased price volatility can increase investment risk and, at the same time, reduce investment. Food will have different effects on surplus and deficit households. Instead of investing, uncertainty in food prices be a significant barrier for many households to escape poverty. On other hand, save. Agricultural shocks threaten poorest people's access economic welfare. The detrimental welfare im...

S ubsidized agricultural exports to developing countries and, worse, food aid kill the output markets of smallholders there, who encompass the majority of the world’s poor. Especially in sub-Saharan Africa, this unfair competition, together with blatant neglect of agriculture in public policy, hampers agricultural growth. Throughout history, agricultural growth has been the engine of overall ec...