Buscar
Mostrando ítems 51-60 de 405
Teores de elementos potencialmente tóxicos em solo com adição de cama de aviário e calcário
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilPrograma de Pós-Graduação em AgronomiaUTFPR, 2021-06-25)
The broiler production chain is one of the most expressive in Brazilian agribusiness. The Southwest region of Paraná is the second largest producer of chicken meat in the state. Thus, there is an increasing production of ...
Differential seedling establishment of woody plants along a tree density gradient in Neotropical savannas
(Wiley Blackwell Publishing, Inc, 2012-11)
Seedling dynamics are crucial for understanding spatial plant distribution patterns, yet little is known about seedling establishment in Neotropical savannas because empirical studies at the community level are scarce. ...
Visible light enhanced Cr(VI) removal from aqueous solution by nanoparticulated zerovalent iron
(Elsevier, 2014-02)
Cr(VI) removal using nanoparticulated zerovalent iron is enhanced under visible light in comparison with the dark process. Using an Fe:Cr(VI) molar ratio (MR) of 1, 77% removal was obtained after two hours under irradiation, ...
The role of farm environment and management in shaping the gut microbiota of poultry
(Springer Nature, 2022-01)
Gut microbiota of poultry assembles from environmental sources mainly determined by farm management decisions such as feed composition, litter handling and sanitation practices, or the use of different feed additives. In ...
Características nutricionales y fermentativas de mezclas ensiladas de desechos de piña y avícolas
(2003)
Mediante el uso de microsilos se analizó
las características fermentativas y nutricionales
de ensilajes de mezclas de desechos frescos de
piña y avícolas. Las mezclas se establecieron en
relación base fresca de 100% ...
Efeito do sombreamento e da camada de serapilheira em gramíneas invasoras sob florestas em restauração
(Universidade Estadual Paulista (Unesp), 2021-08-31)
A presença de gramíneas exóticas invasoras dificulta a sucessão e estruturação de florestas em processo de restauração, bloqueando ou retardando a entrada de indivíduos regenerantes nativos. Temos observado que áreas em ...