Aflatoxins are poisons that occur naturally in the environment. They are produced mainly by the Aspergillus flavus and Aspergillus parasiticus fungi, which can affect many of important staple crops: maize, sorghum, millet, rice, oilseeds, spices, groundnuts, tree nuts, and cassava. Hot, humid,...

Replaced with revised version of paper 07/02/10.

A procedure is developed to examine the ex-post impacts of improved maize varieties on poverty in rural Ethiopia. Yield and cost effects of adoption are estimated econometrically under assumptions of both homogeneous and heterogeneous treatment effects. A backward derivation procedure is...

This study aimed to evaluate the technical efficiency of farmers engaged in rice-wheat cropping systems in India using Resource Conserving Technologies (RCTs) such as zero-tillage and direct seeding, under the intervention of the Cereal Systems Initiative for South Asia (CSISA) project primarily...

A non-neutral stochastic distance function model is used to examine whether output specialization has an impact on the economic performance of vegetable producers in Benin. Specialization is assumed to have an effect on the production frontier and on the distance to the production frontier...

To support low-emission development strategies (LEDS) in the agriculture sector in Vietnam, this paper estimates marginal abatement cost curves (MACC) for mitigation options for rice cultivation in Vietnam: short-duration rice variety, draining of rice fields and reduced use of fertilizer or...

Replaced with revised version of paper 07/14/11.

Use of soil amendments, including organic materials and mineral fertilizers, is highly recommended for the replenishment of soil nutrients, improved soil health and more efficient use of fertilizers in sub-Saharan Africa. Along with other constraints, underdeveloped markets are often cited as a...