explain with weed controlls system.
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Controlling weeds in forage crop production may involve a wide range of techniques. Nevertheless, virtually all weed control methods may be classified into one or more of five main categories. ... Preventative weed control refers to any control method that aims to prevent weeds from ...
Weed control is the botanical component of pest control, which attempts to stop weeds, especially noxious or injurious weeds, from competing with desired flora and fauna, this includes domesticated plants and livestock, and in natural settings, it includes stopping non local species competing with native, local, species, especially so in reserves and heritage areas.
Weed control is important in agriculture. Many strategies have been developed in order to contain these plants. Methods include hand cultivation with hoes, powered cultivation with cultivators, smothering with mulch, lethal wilting with high heat, burning, and chemical attack with herbicides (weed killers).
A plant is often termed a "weed" when it has one or more of the following characteristics:
Little or no recognized value (as in medicinal, material, nutritional or energy)
Rapid growth and/or ease of germination
Competitive with crops for space, light, water and nutrient