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Quantities of C and N in the microbial biomass of soils receiving long term applications of pig and cow slurries were compared, and changes in soil pH...
Read moreTo estimate the effect of foliage at different positions in the profiles of kale crops on the rate of photosynthesis below it, crop LAI was varied by ...
Read moreWith the aid of a field plot layout of semi-controlled environments developed by R.L. Davidson, J.R. Wiseman & V.J. Wolfe to validate simulation m...
Read moreThe effects of defoliation by wild herbivores (mostly elephants) or domestic ungulates (mostly goats) on Kaffrarian succulent thicket, dominated by th...
Read moreIt should be possible to design agroecosystems to reduce the severity of insect pest problems. Ecological theory about stability should be relevant wh...
Read moreInvestigations into the possible eradication of tsetse flies by the release of sterile males included the breeding of tsetse flies under field conditi...
Read moreEmissions of cadmium and copper from a metal refinery caused widespread contamination of soil and vegetation. Dispersal followed an exponential decay ...
Read moreThe aim of this study was to identify the particular soil properties which caused distinct populations of VA mycorrhizal fungi to occur at 2 adjacent ...
Read morecf. F.A. 26 No. 3735.] Describes the effects of the machine oil land rendered unproductive by a mature stand of Tarchonanthus [camyphoratus]/Acacia [s...
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