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Showing items 43714 through 43722 of 73428.Current corn (Zea mays L.) hybrids are produced using proprietary inbred lines as parents. These proprietary lines are protected by U.S. Patent and/or the U.S.
Invasive weeds are a large problem on large tracts of rangeland in North America. Biological methods of control have been instituted, but many information gaps remain.
This study takes the standard acreage response model that stems from an expected utility framework, accounting for both price and yield variability, and nests it within a flexible semi-nonparametric (SNP) model consistent with farm-level decision models for computationally tractable results.
The growing body of literature devoted to study the impact of inequality on economic growth have centred its attention in the income distribution effect, even though the theoretical relationships are more related to assets distributions than to income distribution.
In this paper we argue that the loss of bio-diversity hould be of concern for farmers, though it seems to be of little or no concern to them at the moment.
Southwestern Nigeria is replete with soils that have high gravel contents within the subsoils. Most of these soils are being opened up for cultivation as other land uses (roads and housing) are competing for agricultural lands.
Based on the introduction of modern agriculture, relationship between land circulation and modern agriculture is discussed. This relationship is reflected mainly in two aspects.
The littoral macroinvertebrate faunas of 17 dune lakes on the Aupouri Peninsula in northern New Zealand were examined. Land cover of individual catchments was principally sand dunes and scrub, plantation forest, pasture, or a mixture of plantation forest and pasture.
In this paper, we present a novel approach for using ecological heterogeneity in reserve design.
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