Browsing Theses and Dissertations by Subject "Soil fertility"

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Biochar and poultry manure effects on selected soil physical and chemical properties and maize (Zea Mays) in a dry environment

Musumuvhi, Thabelo (2018-05-18)

Poultry manure (PM) is an inexpensive source of fertilizer but it decomposes quickly and releases carbon and greenhouse gases. Biochar (BC) could be an alternative source of carbon to improve soil quality and reduce ...
Chickpea nitrogen fixation, rhizosphere nutrient concentration and contribution of residual nitrogen to improve maize production in response to biochar application in three different soil types

Lusiba, Siphiwe Gloria (2022-07-15)

Soil degradation is a major challenge affecting agricultural production around the world in the twenty-first century. Alternative approaches including the use of biochar and the introduction of legumes that will fix ...
The effects of biochar and NPK fertilizer on maize performance and selected soil nutrient levels

Mahlo, Lewele Alfred (2020-06-23)

In most parts of Limpopo Province of South Africa, crop yields are low and continue to decrease due to decline in soil fertility, which has been identified as a major constraint to crop production. Therefore, there is a ...

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