Flash News
  • Green bean micronutrients: requirements Green bean micronutrients or trace elements are often a forgotten aspect, not just in green beans but in general vegetable farming. Micronutrient deficiencies are rare…
  • Green bean planting times Green bean planting times are crucial since they are sensitive to frost They can be cultivated only when there is no longer any danger or…
  • Pests found commercial lettuce… Lettuce pests can be controlled in large commercial plantings. Due to the high planting densities and large fields, scouting is often neglected. Most pests are…
  • How to grow lettuce… According to botanists the current variety, Lactuca sativa, was developed from Lactuca scariola, which is a common weed in Europe, Abyssinia, East Asia and the…
  • The production of pumpkins… Pumpkins and squashes belong to the family cucurbitaceae and are related to calabashes, watermelons and muskmelons. Pumpkins and squashes probably originated in America from where…
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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…

Advantages of weeds

weeds attract insects birds advantages

It sounds strange to think that weeds do have advantages.  This way of thinking is made difficult by our perception and definition that weeds do not have any use.  Plants classified as weeds are often removed without evaluating the environment first.  By removing one type of weed in an area does not prevent another, even worse…

Weeds

weeds farming pests

A weed is a plant which is growing where it is not desired, or a plant out of place.  For instance, maize growing in a peanut field is a weed. Wheat growing in a cotton field is a weed.  A weed can be any plant type which is not contributing to the profitability of the farm…