Climate change has brought about a number of global environmental challenges and the worst, climatic disasters such as floods and droughts. In Zimbabwe, particularly in the semi-arid Chivi District, droughts have become ...
Malaria is a parasitic disease that accounts for more than 660 thousand deaths annually,
mainly in children. Malaria is caused by five Plasmodium species P. ovale, P. vivax, P. malariae,
P. falciparum and P. knowlesi. ...
The application of organic manures as alternatives to reduce the use of mineral fertilizers is
considered a good agricultural practice for smallholder farmers. However, the effect of organic
manure on soil properties ...
Multi-grade teaching is a situation where one teacher teaches several grades together
in one class. This phenomenon is common in both developed and developing countries.
However, the problem is, in South Africa there is ...