Showing 1 - 10 of 137
Predaceous and parasitic insects provide control of important citrus pests. However, many pesticides are toxic to these beneficials. Using California citrus grower survey data, this article tests whether landscape-level use of pesticides affects the presence of and reliance on Aphytis melinus,...
Persistent link: https://www.econbiz.de/10010918093
This study evaluates the potential economic impacts of ten novel traits in canola by employing a stochastic economic surplus model. Nitrogen use efficiency, water use efficiency, flea-beetle resistance, cold/freeze tolerance, and drought tolerance traits would have the largest economic impacts....
Persistent link: https://www.econbiz.de/10010918103
Using 23 years of data (1978-2000), this study examines seven vertically integrated sugar beet plants representing three different companies in the United States. The objective of this research is to identify the marginal costs of producing sugar beets for vertically integrated sugar beet...
Persistent link: https://www.econbiz.de/10005330390
The impact of wheat diversity on the productivity of wheat in China is examined using total factor productivity (TFP) and an instrumental variable approach. TFP in seven key wheat-producing provinces in China shows significant, though variable, growth for all provinces during the period...
Persistent link: https://www.econbiz.de/10005525392
This paper investigates factors that impact marketing performance in the Canadian wheat market. Using data provided by … marketing contracts offered by the CWB, earlier pricing tended to generate better performance, there was a negative relationship … between activeness and performance (suggesting overconfidence in marketing skills), and performance was generally worse in …
Persistent link: https://www.econbiz.de/10010881534
This paper investigates the informational value of USDA crop progress and condition information by analyzing reactions of corn and soybean futures markets from 1986 to 2012. Results show significant differences between close-to-open return variabilities on report-release trading days and pre-...
Persistent link: https://www.econbiz.de/10010918078
Persistent link: https://www.econbiz.de/10005220681
To reconcile the discrepancy between the efficient market hypothesis and grain marketing recommendations by advisory … services and extension programs, simulated prices from an efficient market are used to compare performance of marketing …
Persistent link: https://www.econbiz.de/10005805358
Persistent link: https://www.econbiz.de/10005484245
Ocean acidification has the potential to adversely affect a number of valuable marine ecosystem services by making it more difficult, and eventually impossible, for many marine organisms to form shells and skeletons. Reef-forming corals, commercially valuable shellfish, and primary producers...
Persistent link: https://www.econbiz.de/10011168063