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[1] [5] Being a low-growing plant, Desmodium does not interfere with the growth of crops, but can suppress weeds and help improve soil quality by increasing soil organic matter content, fixing nitrogen, and stabilizing soils from erosion. It also serves as a highly nutritious animal feed and effectively suppresses striga weeds through an ...
A good smother crop must compete strongly with weeds but minimally with the crop. Smother crops reduce dependence on chemical weed control, [3] and are sometimes used in the transition to organic farming. [4] Secondary benefits of such crops include helping nitrogen fixation in soil (if legumes are used) and reducing soil erosion.
Cucumbers and squash can be used as living mulch, or green mulch, around tomato plants. The large leaves of these vining plants can help with soil moisture retention. [79] Turnips and rutabagas: Brassica rapa and Brassica napobrassica: Peas, [44] broccoli [32] Hairy vetch, peas [44] hedge mustard, knotweed: Turnips act as a trap crop for ...
Tillage is able to control weeds because when the soil is overturned, the vegetative parts of the plants are damaged and the root systems are exposed causing desiccation. [8] Generally, the younger the weed is, the more readily it can be controlled with tillage. [6] To control mature perennial weeds, repeated tillage is necessary.
Weed control is a type of pest control, which attempts to stop or reduce growth of weeds, especially noxious weeds, with the aim of reducing their competition with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species.
The use of cover crops to help control weeds also increases organic residue in the soil (and nutrients, when using legumes). [36] Cover crops then need to be killed so that the newly planted crops can get enough light, water, nutrients, etc. [37] [38] This can be done by rollers, crimpers, choppers and other ways.
The stale seed bed or false seed bed method is a weed control technique used at both the farm and garden scales. In this that the young weeds can then be easily eliminated. By destroying them early, the farmer or gardener eliminates most of that season's annual weeds, which reduces their labor and improves their crop yields. [1]
Companion planting of carrots and onions. The onion smell puts off carrot root fly, while the smell of carrots puts off onion fly. [1]Companion planting in gardening and agriculture is the planting of different crops in proximity for any of a number of different reasons, including weed suppression, pest control, pollination, providing habitat for beneficial insects, maximizing use of space ...