Abstract
The aim of this study is to present the main pasture grasses used in Brazil, the process of pasture degradation, pasture phytosociology, some undesirable pasture plants, and pasture restoration techniques. A wide plant availability and the high forage yield of its pastures make Brazil an important producer of plants for animal feed. The great majority of pastures in Brazil contain grasses of the genus Brachiaria, known for its strength and high forage potential. However, the pastures are undergoing constant degradation caused by improper handling, which leads to unsustainability. This is possibly due to extensive and extractive exploitation using a low level of technology and unsuitable management practices. Based on the principle that pastures can be restored, alternative techniques are required to promote improvements in forage quality. For this, it is important to recognize the undesirable pasture plants, which directly interfere with livestock production by competing with forage species for water, nutrients, space and light, as well as producing phytotoxins that prevent or suppress the growth of forage species. In the process of pasture restoration, the main objective is to maintain the vital functions of the ecosystem and to mitigate damage from undesirable plants through the immediate coverage of the soil. Key words: management practices, pasture degradation, recovery, undesirable plants.
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Claims 5
Claim · model-written summary
Most Brazilian pastures contain Brachiaria grasses.
- Taxon
- Brachiaria
Brachiariae0 - Outcome
- The great majority of pastures in Brazil contain grasses of the genus Brachiariae0
- Setting
- Brazile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The great majority of pastures in Brazil contain grasses of the genus Brachiaria”
Claim · model-written summary
The review describes ongoing pasture degradation caused by improper handling.
Verbatim
e0“the pastures are undergoing constant degradation caused by improper handling”
Claim · model-written summary
Undesirable pasture plants compete with forage species for resources and suppress forage growth through phytotoxins.
Verbatim
e0“undesirable pasture plants, which directly interfere with livestock production by competing with forage species for water, nutrients, space and light, as well as producing phytotoxins that prevent or suppress the growth of forage species”
Claim · model-written summary
The review calls for alternative restoration techniques to improve forage quality.
Verbatim
e0“alternative techniques are required to promote improvements in forage quality”
Claim · model-written summary
Pasture restoration should maintain ecosystem functions and mitigate undesirable plants through immediate soil coverage.
Verbatim
e0“In the process of pasture restoration, the main objective is to maintain the vital functions of the ecosystem and to mitigate damage from undesirable plants through the immediate coverage of the soil”