Search
Now showing items 21-24 of 24
Comparative effects of secondary treated waste water irrigation on soil quality parameters under different crop types
(Global Science Books, http://www.globalsciencebooks.info/Journals/AJPSB.html, 2011)
This study compares soil quality parameters, and salinity and heavy metal levels in soils cultivated with different crops under secondary treated wastewater irrigation in the Glen Valley, near Gaborone City, Botswana. The ...
Antioxidant and antibacterial constituents from Morus nigra
(Academic Journals, http://www.academicjournals.org/ajpp, 2011-06)
The objective of this study was to isolate and characterize the constituents of the local Morus nigra L.
(Black mulberry), to compare its constituents with other studied Mulberries and to evaluate its antioxidative and ...
Global environmental change and food systems in Southern Africa: The dynamic challenges facing regional policy
(Academic Journals, http://www.academicjournals.org/JGRP, 2011-04)
There is a growing concern that Global environmental change (GEC) will exacerbate the stress on
Southern African food systems leading to increasing food insecurity, which is signified by rising levels
of chronic and ...
Biomass production and economic value of Phragmites australis Reedbeds in the Southern Okavango Delta, Botswana
(Global Science Books, http://www.globalsciencebooks.info/, 2011)
Most work globally on Phragmites spp. has been done in temperate northern hemisphere localities, where winter low temperatures and short day lengths cause a seasonal decrease in growth. In this study, we report above-ground ...