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  • Organic phosphorus and plant… The fraction of organic phosphorus that is available for plants is very small and not enough for the plant to grow properly. Compared to nitrogen…
  • 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…
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Butternut fertilizer application tables according to soil types

butternut fertilizer recommendation

Butternut1)Featured image by: Butternut Citrouille Courge – Photo gratuite sur Pixabay (Cucurbita moschata) fertilizer requirements can be calculated if you know your soil type and have a good idea of the yield potential of your land and climate. These are basic norms and your specific microclimate and variety can have an influence on the total…

Manure – a technical discussion

Manure vegetable farming fertilizer horticulture

Manure is the waste from animals. Farmer’s source manure either from natural deposits or livestock farmers. The content of manure is highly variable, and each batch must be analyzed when used for nutrient analysis for crop growth. We recommend reading Natural fertilizers for vegetables with this article. Manure is different from compost. It cures and…

Natural fertilizers for vegetables

Natural fertilizer compost

Natural fertilizers for vegetables usually refer to manure, compost and industrial waste products from animals. It consists of biodegradable material which is normally eco friendly. The process through which it is made is not necessarily eco friendly or sustainable. Each product has its advantages and disadvantages. The grower must evaluate and understand which natural fertilizer…

Nutrient uptake of vegetable crops and calculating fertilizer requirements

fertilizer recommendation calculation bags vegetables

The nutrient uptake of vegetable crops are used to determine very rudimentary fertilizer recommendations if you have nothing else to go by. A lot of purists will be up and arms of these guideline tables, but none of them can come up with a simple method of determining fertilizer recommendations that an average non-scientific farmer…