Showing 1 - 6 of 6
An allowance for water use is part of the agronomic analysis implicit in the foundation of any sensible economic evaluation of crop response or change of farming system. Diminishing returns to investment in water use efficiency imply that the optimum level of investment is determined by the...
Persistent link: https://www.econbiz.de/10010881468
Water use efficiency data was used to estimate the impact of reducing sales water allocations on a range of irrigated dairy farms categorised according to intensity of water right. The expected deficiency in available water was estimated for each farm category on the basis of historical demand...
Persistent link: https://www.econbiz.de/10010908377
Approaches to valuing regional responses in plant productivity from investment in natural resource management are reviewed. The usefulness of data from surveys for estimating marginal physical product is discussed. Since investment reduces declining trends in productivity, an estimate of value...
Persistent link: https://www.econbiz.de/10010909095
Over-allocation of irrigation water has led to widespread environmental degradation in the Murray-Darling Basin, prompting discussions of the water efficiency performance of irrigated industries, particularly cotton. There is increasing pressure for irrigators to adopt water efficient practices...
Persistent link: https://www.econbiz.de/10010914785
A false expectation based on the notion that it is easy to raise water use efficiency, and that all increases in water use efficiency will also increase net social welfare, will lead to gross underestimation of the economic impact of reduced irrigation allocations in the Murray-Darling Basin. A...
Persistent link: https://www.econbiz.de/10008519262
Ricecheck, an extension program for rice developed by the NSW Department of Primary Industries, is based on eight best management practice recommendations (“key checks”) considered essential for achieving high yields. The program comprises grower meetings and field days. The Ricecheck...
Persistent link: https://www.econbiz.de/10011069794