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Zambia has soils with low plant available nutrients due to leaching, depletion of organic matter and acidification. One way of addressing this situation is by the application of organic materials such as aqueous neem leaf extract. No known documented research has been conducted in Zambia to...

The problem of drought and erratic rainfall, coupled with crop genotypes (both local and improved varieties) with low water utilisation efficiencies, are major contributors to low productivity of most crops. The poor agricultural productivity among the farming community results in poverty and...