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Land clearing for irrigated agriculture in the Sudan clay plains is urgently needed because the Roseires Dam is to be completed in 1967. Two different...
Read moreThe influence of annual and seasonal (summer vs. winter) rainfall variability and of different seasons and systems of sheep grazing, including complet...
Read moreNatural enemies of plant pathogens might play an important role in controlling plant disease levels in natural and agricultural systems. Yet, plant pa...
Read moreDuring the "decade on restoration", we must understand how to reliably re-establish native plant populations. When establishing populations through se...
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