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  • Blosyrus inaequalis beetle in… Blosyrus inaequalis is mostly found in Siri-Lanka and India, but lately also in the northern parts of South Africa. So far the economical damage cause…
  • Sweet potato weevil (Cylas… Sweet potato weevil((Credit of featured image by Author Graham Wise from Brisbane, Australia https://commons.wikimedia.org/wiki/File:Cylas_formicarius_(14576849194).jpg)) can be devastating in Africa. losses between 73((N.E.J.M.Smit,“The effect of the…
  • Propagating, planting and harvesting… Planting material Sweet potatoes are propagated vegetatively through vines (or runners) which are cut up in cuttings, each 300-400mm long. Most other crops are propagated…
  • Butternut fertilizer application tables… Butternut((Featured image by: Butternut Citrouille Courge - Photo gratuite sur Pixabay)) (Cucurbita moschata) fertilizer requirements can be calculated if you know your soil type and…
  • Sweet potato soil requirements Sweet potato soil requirements are similar to many other vegetable crops. Good high quality soil is the first step towards good yields, it is not…
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Effect of salt stress on bush beans

We know that the quality of irrigation water is slowly deteriorating in South Africa. The salt content of water is ever increasing due to uncontrolled mining activities, heavy industrial effluent being dumped into rivers and intensive agricultural practices.  At the end, the grower is becomes limited in what can commercially be grown (and I mean with making…