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The use of changes over time in the pattern of vegetation growth across gradients of differing grazing intensity to identify trends in range condition...
Read moreT. repens plants from 5 populations from calcareous soils and 5 populations from acid soils were grown in sand cultures with varying levels of Ca, Mg ...
Read moreNatural populations of Trifolium repens collected from contrasting soil types differed in response to Ca, Mg and K when grown in sand culture. Populat...
Read moreThe shoots and roots of a barley crop were sampled periodically from 46 days after sowing up to the ripe stage (130 days after sowing). Root weights w...
Read moreLong-term observations of eta , the ratio of PAR to total solar radiation, are reported for Dar es Salaam (7 deg S.). The records for very clear perio...
Read moreCompetitive relationships among Amaranthus retroflexus, Chenopodium album, Echinochloa crus-galli and Solanum nodiflorum were investigated under field...
Read moreThe production of current season growth by Coleogyne ramosissima was determined by length measurement in Sept. when the twigs were dormant. Percentage...
Read moreModern agriculture, in seeking to maximize yields to meet growing global food demand, has caused loss of soil organic carbon (SOC) and compaction, imp...
Read moreA unified ratio-dependent supply-demand driven tritrophic model of the cassava (Manihot esculenta) system was compared to field data and then used to ...
Read moreSubordinate plants have a significant impact on soil organisms in primary successional floodplains and grassland ecosystems, but their role in subtrop...
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