Results 31 to 40 of about 4,402 (87)

“Caracterización de los sistemas de producción de ovinos de pelo en el suroeste del departamento de Matagalpa 2010” [PDF]

open access: yes, 2010
Con el objetivo de caracterizar los sistemas de producción de ovinos de pelo en el territorio suroeste del departamento de Matagalpa 2010. (Sébaco, Ciudad Darío, San Isidro y Matagalpa). Se aplicó una encuesta a 103 productores que poseen ovinos de pelo,
Agurcia Gutierrez, Jacqueline Carolina   +1 more
core   +5 more sources

Testing biowaste materials as peat replacement in organo-mineral fertilizers

open access: yesFrontiers in Sustainable Food Systems
Organo-mineral fertilizers (OMFs) can have higher efficiency than mineral fertilizers. In Europe, peat is commonly used as an organic matrix in OMFs, as it is a highly stable organic material. However, peat extraction releases long-term stored organic C.
T. J. Sitzmann   +3 more
semanticscholar   +1 more source

Un Índex de maduresa o estabilitat de la matèria orgànica dels adobs [PDF]

open access: yes, 1985
Hem estudiat un mètode per qualificar el Grau de Maduresa d'Adobs Orgànics d'origen desconegut, a partir d'una sèrie de paràmetres químics, relacionats a través d'equacions multivariants amb un paràmetre biològic no reproduïble, la Taxa de Mineralització
Bru i Sardà, Jordi   +2 more
core  

Rice Husk Research: From Environmental Pollutant to a Promising Source of Organo-Mineral Raw Materials

open access: yesMaterials, 2021
Rice husk is a large-tonnage waste left from rice production. It is not subject to humification and therefore becomes a serious environmental pollutant.
B. Satbaev   +7 more
semanticscholar   +1 more source

Evidence linking calcium to increased organo-mineral association in soils

open access: yesBiogeochemistry, 2021
Geochemical indicators are emerging as important predictors of soil organic carbon (SOC) dynamics, but evidence concerning the role of calcium (Ca) is scarce.
Mike C. Rowley   +3 more
semanticscholar   +1 more source

Evaluation expérimentale de différents systèmes de culture incluant l'arachide en Afrique de l'Ouest [PDF]

open access: yes, 1992
A partir d'expérimentations menées sur le long terme, différents systèmes de culture incluant l'arachide à divers niveaux d'intensification sont évalués. L'insuffisance des fumures minérales seules est mise en évidence.
Cattan, Philippe, Schilling, Robert
core  

Multiparametric influence of 3D-printed organo-mineral scaffolds on bone regeneration

open access: yesScientific Reports
The development of synthetic bone substitutes that equal or exceed the efficacy of autologous graft remains challenging. In this study, a rat calvarial defect model was used as a reference to investigate the influence of composition and architecture of ...
Touya Nicolas   +9 more
semanticscholar   +1 more source

La valorisation agricole des fumiers et des composts en Afrique soudano-sahélienne. Diagnostic et perspectives [PDF]

open access: yes, 1998
En Afrique soudano-sahélienne, pour obtenir une production agricole stable, il est recommandé d'apporter des fertilisants combinant engrais minéraux et matières organiques peu fermentescibles et riches en précurseurs des substances humiques, autrement ...
Badiane, A., Ganry, Francis
core  

Componentes de produção e produtividade do cultivo da soja com mineral, adubação orgânica e organo-mineral [PDF]

open access: yes, 2016
A soja é uma cultura de grande expressão no agronegócio. Vem promovendo o desenvolvimento de várias regiões do Brasil, possibilitando o crescimento do setor de proteína animal nas regiões onde está inserida, como a produção de frango.
Coppo, Jéssica Caroline   +4 more
core   +2 more sources

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