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Showing items 49528 through 49536 of 73428.Nitrogen (N) fixation was estimated for three Acacia senegal (L.) (A. senegal) Willd. varieties (A. senegal var. senegal, kerensis, and leiorhachis) growing naturally in different sites in the dryland areas of Kenya.
Due to the increased concerns about the effect of agrochemicals
on soil health and soil biodiversity, use of
biological methods has become most acceptable
alternative methods for farmers to control soil
pathogens during crop production. A study was
Water resources Within the River Njoro watershed have become degraded due to high population growth rate and change in land use upsetting environmental stability.
Tropical rainforests are characterized by habitat stability and complexity. Hence, the forests
support a rich biological diversity, including 40% of all bird species. However, these rain
At least 20 percent of the Somalian population are refugees, many from Ethiopia.
Field work for this study was conducted between the months of November 1989 and February 1990.
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