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Showing items 3358 through 3366 of 73427.Smallholder farming in the southern African region is characterised by low agricultural production and productivity, whereas food and nutrition insecurity is characterised by an insecure livelihood activity for most people who depend on it.
Increased reliance on fertilizers and pesticides in rice production has proven unsustainable and ineffective due to soil depletion and pesticide-induced pest outbreaks, rising fertilizer costs, and the negative effects of pesticide and fertilizer use on human health and the environment.
Introduction. In the world, 33% of soils are degraded, and 2.9 million people are affected by land degradation, with problems associated with food security, conflicts over natural resources, and migration with different impacts on men or women.
Land degradation is one of the contemporary environmental challenges affecting regions inhabited by over one-third of the global population.
Evaluation of the hydrological impact of urbanization-induced land use land cover (LULC) changes for medium to large catchments is still an important research topic due to the lack of evidence to conclude about how local changes translate to impacts across scales.
Understanding the genetic and molecular function of nitrate sensing and acquisition across crop species will accelerate breeding of cultivars with improved nitrogen use efficiency (NUE).
Agriculture faces the competing challenges of enhancing productivity and raising the incomes of smallholder farmers, while simultaneously also addressing concerns related to environmental sustainability.
Rainfed agriculture is at the centre of many West African economies and a key livelihood strategy in the region. Highly variable rainfall patterns lead to a situation in which farmers’ investments to increase productivity are very risky and will become more risky with climate change.
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