Results: 239

Efeito da integração lavoura-pecuária-floresta em fase inicial sobre as perdas de solo, água e nutrientes no ecótono Cerrado-Amazônia
Short-term effect of a crop-livestock-forestry system on soil, water and nutrient loss in the Cerrado-Amazon ecotone

Acta amaz; 51 (2), 2021
A erosão hídrica é um dos principais fatores da degradação dos solos, impactando seu potencial produtivo e capacidade de provisão de serviços ecossistêmicos. O ecótono Cerrado-Amazônia, no norte de Mato Grosso, Brasil, tem sofrido intensas modificações em seu uso e cobertura com impacto na ...

Organic fertilization as an alternative to the chemical in cherry tomato growing under irrigation depths

Biosci. j. (Online); 37 (), 2021
Two experiments were carried out to evaluate the effects of organic fertilization as an alternative to the chemical on the yield and quality of cherry tomato grown under different irrigation depths in protected environment, in 2013 and 2014. The experimental design was in randomized blocks (5 x 3 factor)...

Tolerância de microrganismos eucariotos ao herbicida glifosato

O glifosato é um herbicida amplamente utilizado. A Organização Mundial da Saúde (OMS) reclassificou o glifosato como “provavelmente cancerígeno a humanos”. A remoção do glifosato do ambiente pode ser realizada por ação enzimática microbiana. O presente trabalho enfocou o isolamento de micro...

Agronomic efficiency and profitability of cotton on integrated use of phosphorus and plant microbes

Braz. j. biol; 81 (2), 2021
Cotton crop, plays a significant role in Pakistan’s economy by ruling a prominent place in edible oil and local textile industry. Phosphorus (P) inaccessibility and deficiency of soil organic matter are the key restraints for low crop productivity in cotton. Therefore, a two years field study was desig...

Assessment of cadmium tolerance and biosorptive potential of Bacillus Cereus GCFSD01 isolated from cadmium contaminated soil

Braz. j. biol; 81 (2), 2021
Continuous occurrence of heavy metals is a major cause of environmental pollution due to its toxic effects. At minimum concentrations, these metals are highly reactive and can gather in the food chains and food web, causing major dangers to public health concerns. Soil samples were collected from Paharan...

Entomopathogenic nematodes for the control of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) pupae

Arq. Inst. Biol; 88 (), 2021
Helicoverpa armigera (Hübner) is a polyphagous insect of difficult control and maize is an important host crop of this insect. Entomopathogenic nematodes (EPNs) are control agents of soil pests. This study aimed to verify the action of EPNs for the control of H. armigera pupae. Laboratory and greenhouse...

Parasitic contamination in the soil of beaches from Mosqueiro Island, Pará State, Brazil

Objective: We aimed to evaluate the prevalence of intestinal parasitic in the soil of three beaches of Mosqueiro Island, located in the State of Pará, Brazil, as well as to compare the frequency of helminths and protozoa, pathogenic and non-pathogenic parasites according to the beaches analyzed. Methods...

Exploration of silicon functions to integrate with biotic stress tolerance and crop improvement

Biol. Res; 54 (), 2021
In the era of climate change, due to increased incidences of a wide range of various environmental stresses, especially biotic and abiotic stresses around the globe, the performance of plants can be affected by these stresses. After oxygen, silicon (Si) is the second most abundant element in the earth's ...

Bioactive metabolites in of Ginkgo biloba leaves: variations by seasonal, meteorological and soil

Braz. j. biol; 80 (4), 2020
Abstract Ginkgo biloba is a traditional Chinese herbal medicine containing multiple components that contribute to its notable bioactivities. Variations of seasonal, meteorological and planting soil on the phytochemicals contents in G. biloba leaves due to the effects of growth meteorological and soil par...