Results 41 to 50 of about 8,400 (167)
Com a intensa utilização de tecnologias voltadas à mecanização das operações agrícolas, a compactação do solo é um fator que tem limitado a produtividade. Para atenuar este problema, o uso de plantas de cobertura do solo é frequentemente recomendado. Com
Romano R. Valicheski +4 more
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Abstract Introduction With anthropogenic environmental change accelerating, incorporating long‐term perspectives into ecological restoration is essential. Paleoecological evidence increasingly indicates that many perceived “natural” landscapes under current conservation regimes are, in fact, cultural or modern systems.
Yihan Wang +7 more
wiley +1 more source
Este trabalho foi conduzido em área da Universidade Federal do Rio Grande do Sul, em Eldorado do Sul, RS, em 1996/97, com o objetivo de avaliar os efeitos de resíduos de aveia-preta (Avena strigosa Schreb.) sobre o solo na densidade de papuã (Brachiaria ...
GIOVANI THEISEN +2 more
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Weed spatial patterns and temporal stability were shaped by species life forms and the cropping systems implemented in the plots. Weed aggregation was more pronounced in conservation agriculture and among perennials. Patch stability was primarily governed by species life form and was stronger among perennials. Abstract BACKGROUND The aggregated spatial
Gal Rozenberg +3 more
wiley +1 more source
Soybean growth and yield after single tillage and species mixture of cover plants
The use of cover crops is important for the agricultural crop and soil management in order to improve the system and, consequently, to increase yield. Therefore, the present study analyzed the effect of crop residues of black oat (Avena strigosa Schreb.)
Gislaine Piccolo de Lima +4 more
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Using in situ microrefugia to safeguard stringybark eucalypts from hot droughts
Abstract Facilitating species persistence under climate change is a pressing issue. Refugia, places where the impacts of climate change may be less severe, can constitute the only option for in situ persistence for many taxa. However, refugia will still experience some impacts of climate change. Management approaches that utilize the buffering provided
Chloé Bentze +3 more
wiley +1 more source
Se describe Moussonia larryskogii (Gesneriaceae) una nueva especie de Oaxaca y Veracruz, México. Esta especie es semejante a Moussonia strigosa (C. V.
Angélica Ramírez-Roa
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Sr/Ca and δ18O in a fast-growing Diploria strigosa coral - evaluation of a new climate archive for the tropical Atlantic [PDF]
This study provides the first monthly resolved, 41-year record of geochemical variations (δ18O and Sr/Ca) in a fast-growing Diploria strigosa brain coral from Guadeloupe, Caribbean Sea.
Dullo, Wolf-Christian +4 more
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Several common cover crops and flower strip plants are susceptible to BMYV, while susceptibility and attractiveness to Myzus persicae vary widely. These plants may act as virus reservoirs, emphasising the need to prevent green bridges. ABSTRACT Virus yellows (VY), caused by beet chlorosis virus (BChV), beet mild yellowing virus (BMYV) and beet yellows ...
Simon Borgolte, Mark Varrelmann
wiley +1 more source
Se evaluó la selectividad de presas de Coralliophila abbreviata y C. caribaea en seis arrecifes coralinos del Parque Nacional Morrocoy (PNM), Venezuela, mediante métodos descriptivos y experimentales. Se estimó la abundancia y riqueza coralina, el número
Carlos del Mónaco +2 more
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