Donald Bullock

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a yield–soil–topography analysis. Spectral analysis was utilized by Timlin et al. (1998) to study the influence of Quantifying the spatial variability of crop yields and yield-affecting topographic location and surface curvature on corn factors are important issues in precision agriculture. Topography is frequently one of the most important factors(More)
For improvement of these traits in hairy vetch, it is imperative to gain insight into the magnitude of variabil-For improvement of hairy vetch (Vicia villosa Roth) as a winter ity present in the species, as this will provide the basis cover crop, it is necessary to gain insight into the magnitude of variabil-for effective selection. Phenotypic variability(More)
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