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Showing items 41788 through 41796 of 73428.Se presenta informacion preliminar acerca del proceso y las causas de sucesion de sabanas de Trachypogon vestitus y de Paspalum pectinatum despues de quema y pastoreo, en Carimagua, Colombia. En varios expt.
Successful control of tsetse (Glossina spp.)-transmitted trypanosomiasis in the Ghibe Valley, Ethiopia, appears to have accelerated conversion of wooded grassland into cropland. Land conversion, in turn, may have fragmented wildlife habitat.
Inefficient management and use of water is unanimously the most single constraint of agricultural production of Ethiopia.
Soil nitrogen (N) cycling is an important factor in terrestrial ecosystems, including grasslands.
Seedlings of Artemisia herba-alba grown in glasshouse were watered with differing salinities (0, 150, 250 or 350 mM NaCl) and watering frequencies of 3, 7, 14 or 21 days for a period of 6 weeks.
Data on water sources, mode of offer, watering frequency, amount of water offered, body weights and milk yield were collected from 21 randomly selected smallholder farms in Kiambu by means of farm visits and questionnaires fortnightly.
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