Optimal integrated control strategies for the weed blackberry (Rubus anglocandicans) infesting sheep pastures in Australia are analysed for a range of different circumstances. A wide range of control strategies with moderate to high costs and efficacies are analysed, including chemicals, mowing,...

The present study investigates the development (i.e., rise or decline) in African agricultural efficiency level and what drives the efficiency over the years. A total of 379 frontier studies resulting in 534 farm level efficiency estimates were considered using meta-regression analysis (MRA) for...

New Zealand has a long history of producing official statistics on agricultural, horticultural, and forestry production. Having a good population or survey frame is a key factor enabling the collection and production of quality statistics. Several population frames have been used over time for...

Paper removed temporarily by authors 11/28/11.