منابع مشابه
an aggregate and disaggregate analysis of acreage response of some iranian agricultural crops: wheat, barley, potatoes,sunflower, and cotton
considering the importance of increase in production and supply of agricultural products in iranian economic development, this study was carried out to investigate the impact of factors influencing the acreage (as a proxy for planned production and supply) of five important crops , namely wheat, barley, potatoes, sunflower and cotton. the seemingly unrelated regression estimation (sure) was use...
متن کاملCan the amount of corn acreage predict fall armyworm (Lepidoptera: Noctuidae) infestation levels in nearby cotton?
Fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is a major pest of corn, Zea mays L., and a significant, but more sporadic, pest of cotton, Gossypium hirsutum L., in the Western Hemisphere. Previous studies showed that the cotton infestations primarily involve a fall armyworm subpopulation known as the "corn-strain" for which corn is the preferred host plant. It was ...
متن کاملAccounting for lost acreage.
Privately owned forests, wetlands, and crop-lands in the United States are disappearing at alarming rates due to development and erosion , according to a report released by the U.S. Department of Agriculture (USDA) on 7 December 1999. The report, which summarizes the USDA's 1997 National Resources Inventory (NRI), reveals that development has doubled during the last decade to-more than three mi...
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ژورنال
عنوان ژورنال: Journal of Agricultural and Applied Economics
سال: 1987
ISSN: 1074-0708,2056-7405
DOI: 10.1017/s0081305200017428