This study provides ex ante estimates of the value to society of the U.S. Department of Agriculture's witch� weed program. Program objectives are to contain and eradicate witchweed, a semiparasitic plant which reduces corn and grain sorghum yields. Critical elements which determine the...

To examine key factors influencing global research spillovers, this study compares direct and spillover impacts of groundnut (GN) and pigeonpea (PP) research to be used for resource allocation. The estimation of global research benefits from breeding research uses an economic surplus based...

To achieve water quality targets, management practice change in the sugar cane industry has been a large focus for natural resource management initiatives such as Reef Plan and Reef Rescue. Considerable public funds have been targeted at landholders to change on-ground management practices....

Farming in the rainfed lowlands of northwest Luzon, Philippines, is highly intensive, diversified, and commercialised. The cropping-system is predominantly rice-based in the wet season and high-value cash crops are grown during the dry season. Using panel data from 100 randomly selected farmers,...

Selection logging in the tropics is increasingly moving to systems that reduce the impact of harvesting operations on forests and soils. While much of the focus has been on modifying the tractor logging system using RIL principles, alternative harvesting systems have also been introduced. One of...

The use of agricultural crop pesticides has increased more than five-fold since 1950.1/ U.s. consumption of chemical pesticides currently exceeds one billion pounds of active ingredients annually; more than half of this volume is used for agriculturally-related enterprises. The explanation...