The classic definition of weeds or weeds is that they are all plants that grow in an unwanted place, roughly they are herbs that grow voluntarily and undesirable in football fields, gardens, pastures and lawns, for example.
There are other names and other terms for weed conceptualization, popularly also known as wild plants, weeds and weeds, they can be of both herbaceous and tree structure and can survive in adverse conditions of temperature and humidity. For this, many consider weeds to be plants that have not undergone the process of domestication and genetic improvement, however, by the classic definition plants such as corn in soybean is considered a weed, so in this case it (corn plant) receives the name of Higuera or guac has plants, since it was leftovers or loss of the grains of the previous harvest that germinated improperly in the soybean crop.
Source
Man has selected, cultivated and domesticated plants considered useful for their benefit throughout their history; these plants have received genetic improvement and are still grown under the best possible conditions. Already weeds survive in any environment, whether hostile or not, and theoretically, have undergone natural selection processes over the years so that pots can be found in totally adverse regions. Briefly, the anthropic action is responsible for the evolution and improvement of both crop plants and weeds.
Weeds, as well as crop plants, have defined phenological cycles and proliferate, each of which, according to the seasons, is characteristic for each weed species. This is why weeds that infest wheat crops (winter crops) are different from weeds that infest soy crops (grown in summer).
Importance of weeds to nature
Weeds or undomesticated plants are important because they grow in a harsh environment, recover soil and start living in a degraded environment.
- But how does this happen?
A completely degraded soil, with the A horizon (top layer or most fertile layer), completely removed by the process of rainfall erosion, or by soil removal by machines would be totally unable to be cultivated without human intervention for site recovery. In this condition, the soil usually is compact, has low soil biological activity, low chemical fertility and a totally adverse soil physical structure with low water infiltration rate, and in the worst case, a desertification process can be initiated. At this time weed work begins, as we survive these environments and recovery work begins because:
Improves soil water infiltration - Its roots penetrate the soil which improves
soil water infiltration;
Physical Structure Recovery - Fascinated roots improve aggregation of low clay or low cation exchange capacity (CTC) soil;
Provides ground cover - Reduces the erosivity of raindrops that previously precipitated directly on the soil, decreases the solar incidence directly on the soil maintaining the same mild temperature, improves the maintenance of soil moisture;
Increased Organic Matter - Improves and elevates biological activity and soil that consequently help in improving chemical fertility by mineralizing organic matter and improving the formation of soil aggregates that allow its structuring;
Decreased Soil Acidity - Chemically speaking, organic matter has a buffering effect on the soil that helps in soil neutrality;
Nitrogen Replacement - Nitrogen-fixing plants through symbiosis increase soil nitrogen content;
Natural Filters in Aquatic Plants - Some aquatic plants have the power to clean water bodies like water hyacinth.
Growing under adverse conditions, weeds also indicate what is wrong with the soil, for example, soil with high guanxuma (Sida rhombifolia) infestation may indicate compacted soil, whereas in soil with high amounts of thyroid (Cyperus rotundus) may indicate acidic soil and soil with carrying (Amaranthus) infestation indicates good soil fertility with high organic matter content. Many plants also have a medicinal effect and are of scientific importance.
Opening a parenthesis, velcro was invented in 1948 by a Swiss engineer named Georges de Mestral inspired by the seed of a weed that clung to dog hair and clothing whose seed was observed under a microscope and its peculiar structure studied. The plant was Articuno, a weed species that grow in Switzerland. Here is
https://www.viki.com/users/zultakopsu_541/about
https://rhizome.org/profile/ben-roks/
https://flipboard.com/@jasneroy/online-dispensary-canada-4rel0i5iy
https://www.docracy.com/userprofile/show?userId=0bdr7iuy2v9
http://www.magcloud.com/user/weed097
https://www.intensedebate.com/people/despansary565
https://www.icyte.com/users/show/551692
https://www.atlasobscura.com/users/zultakopsu
https://speakerdeck.com/madicine34
https://www.turnkeylinux.org/user/835470
There are other names and other terms for weed conceptualization, popularly also known as wild plants, weeds and weeds, they can be of both herbaceous and tree structure and can survive in adverse conditions of temperature and humidity. For this, many consider weeds to be plants that have not undergone the process of domestication and genetic improvement, however, by the classic definition plants such as corn in soybean is considered a weed, so in this case it (corn plant) receives the name of Higuera or guac has plants, since it was leftovers or loss of the grains of the previous harvest that germinated improperly in the soybean crop.
Source
Man has selected, cultivated and domesticated plants considered useful for their benefit throughout their history; these plants have received genetic improvement and are still grown under the best possible conditions. Already weeds survive in any environment, whether hostile or not, and theoretically, have undergone natural selection processes over the years so that pots can be found in totally adverse regions. Briefly, the anthropic action is responsible for the evolution and improvement of both crop plants and weeds.
Weeds, as well as crop plants, have defined phenological cycles and proliferate, each of which, according to the seasons, is characteristic for each weed species. This is why weeds that infest wheat crops (winter crops) are different from weeds that infest soy crops (grown in summer).
Importance of weeds to nature
Weeds or undomesticated plants are important because they grow in a harsh environment, recover soil and start living in a degraded environment.
- But how does this happen?
A completely degraded soil, with the A horizon (top layer or most fertile layer), completely removed by the process of rainfall erosion, or by soil removal by machines would be totally unable to be cultivated without human intervention for site recovery. In this condition, the soil usually is compact, has low soil biological activity, low chemical fertility and a totally adverse soil physical structure with low water infiltration rate, and in the worst case, a desertification process can be initiated. At this time weed work begins, as we survive these environments and recovery work begins because:Improves soil water infiltration - Its roots penetrate the soil which improves
soil water infiltration;
Physical Structure Recovery - Fascinated roots improve aggregation of low clay or low cation exchange capacity (CTC) soil;
Provides ground cover - Reduces the erosivity of raindrops that previously precipitated directly on the soil, decreases the solar incidence directly on the soil maintaining the same mild temperature, improves the maintenance of soil moisture;
Increased Organic Matter - Improves and elevates biological activity and soil that consequently help in improving chemical fertility by mineralizing organic matter and improving the formation of soil aggregates that allow its structuring;
Decreased Soil Acidity - Chemically speaking, organic matter has a buffering effect on the soil that helps in soil neutrality;
Nitrogen Replacement - Nitrogen-fixing plants through symbiosis increase soil nitrogen content;
Natural Filters in Aquatic Plants - Some aquatic plants have the power to clean water bodies like water hyacinth.
Growing under adverse conditions, weeds also indicate what is wrong with the soil, for example, soil with high guanxuma (Sida rhombifolia) infestation may indicate compacted soil, whereas in soil with high amounts of thyroid (Cyperus rotundus) may indicate acidic soil and soil with carrying (Amaranthus) infestation indicates good soil fertility with high organic matter content. Many plants also have a medicinal effect and are of scientific importance.
Opening a parenthesis, velcro was invented in 1948 by a Swiss engineer named Georges de Mestral inspired by the seed of a weed that clung to dog hair and clothing whose seed was observed under a microscope and its peculiar structure studied. The plant was Articuno, a weed species that grow in Switzerland. Here is
https://www.viki.com/users/zultakopsu_541/about
https://rhizome.org/profile/ben-roks/
https://flipboard.com/@jasneroy/online-dispensary-canada-4rel0i5iy
https://www.docracy.com/userprofile/show?userId=0bdr7iuy2v9
http://www.magcloud.com/user/weed097
https://www.intensedebate.com/people/despansary565
https://www.icyte.com/users/show/551692
https://www.atlasobscura.com/users/zultakopsu
https://speakerdeck.com/madicine34
https://www.turnkeylinux.org/user/835470
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