Millions of mines lie in or on the ground in 62 countries resulting in thousands of deaths and injuries each year. Most mines are cleared using probes and hand held mine detectors; although sniffer dogs and a variety of machines are becoming more common. Clearing landmines is very expensive with...

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...

Large quantities of fresh produce can be grown in the Highlands provinces of Papua New Guinea, and this produce is then marketed to a range of markets, including the coastal cities of Port Moresby and Lae. However, it is often argued that the marketing system performs poorly, and various reasons...

This study aims at identifying factors affecting formal credit constraint status of rural farm households in Vietnam’s North Central Coast region (NCC). Using the Direct Elicitation method (DEM), we consider both internal and external credit rationing. Empirical evidences confirm the...

Large quantities of fresh produce can be grown in the Highlands provinces of Papua New Guinea, and this produce is then marketed to a range of markets, including the coastal cities of Port Moresby and Lae. However, it is often argued that the marketing system performs poorly, and various reasons...

The aims of our paper are to identify economic determinants of the on-farm cultivars diversity and to empirically characterize the farmers' diversification choices. We focus on the private decision making process involving the choice of rice cultivars and the corresponding allocation of...

The development of agricultural productivity and the management of water along sustainable ecological, economic and social trajectories require an integrated approach. Integrated water management is knowledge intensive across multiple scales. As New Zealand moves to set limits on water quantity...

This paper provides a concise introduction to and evaluation of the Lake Taupo nitrogen cap and trade program established as part of Waikato Regional Council's recent Regional Plan Variation Five. The policy establishes a catchment-wide cap on nitrogen losses by allocating farmers individual...