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  • Sweet potato fertilizer application… Sweet potato fertilizer requirements can be calculated if you know your soil type and have a good idea of the yield potential of your land…
  • Soil Magnesium Soil magnesium research is dominated by other macro nutrients such as nitrogen, potassium and phosphate. Calcium was never a problem since it was added with…
  • Manure – a technical… Manure is the waste from animals. It can be obtained either from natural deposits or livestock farming. The content of manure is highly variable, and…
  • Natural fertilizers for vegetables 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.…
  • Soil Sulfur cheat cheat… Soil sulfur is not a very well known element, but it is part of the macronutrients. Sulfur or S, is absorbed in the same amounts…
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Weed Management and control

open field vegetable growing weed control

Successful open field crop production depends on good weed management practices.  Controlling weeds forms part of the total crop management program which includes other activities such as pest and disease management and general hygiene.  The planning of a weed management control program is much easier than planning pest and disease management programs.  The reasons are that…

Problems caused by weeds

Problems caused by weeds in agriculture

The problem with weeds is that they have a negative impact on bottom line of the farming business.  Quite often growers don’t have enough deeper knowledge to understand just how much it affects yields, quality and efficiency of the whole farm. Competition All plants exert some type of competition on each other.  The competition can be in…

Classification of weeds

mulch weed vegetable farming tomatoes weed control

General classification of weeds Most farmers use a different method of classifying weeds since it is easier to understand and separate each weed from another in order to control them. Classification according to growth season length Annuals: These weeds complete their life-cycle in one year. Due to the abundance of dormant seed and fast growth of…

Biology of weeds

weed competition control farm management biology science

Biology of weeds is important since it covers all aspects of their establishment, growth and reproduction.  All climatic factors have a significant effect on biological processes.  A good knowledge of the biology of weeds will ensure that the grower and researcher will be able to apply technology correctly to control any weed problem. The succession process…

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