Results 11 to 20 of about 45,927 (266)
Effects of deep-bedded finishing system on market pig performance, composition and pork quality
Animal, 2008 The purpose of this study was to compare effects of finishing environment on growth performance, pork quality and lipid composition of pork. Environments compared were standard confinement (CON) and deep-bedded semi-outdoor systems.
B.S. Patton +5 more
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Animals, 2021 Insects can play an important role to upgrade waste streams into high-grade proteins and fats as food and feed ingredients or non-food products. The aim of this research was to assess the feasibility to use waste streams with a low value for direct ...
Teun Veldkamp +4 more
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Impact of Tillage and Fertilization on CO2 Emission from Soil under Maize Cultivation
Agriculture, 2022 Agriculture is in a constant state of change. Its new practices and technologies represent impacts that are difficult to predict. The transition from animal traction to tractors and the substitution of manure for synthetic fertilizers are changes that ...
Liliana Salinas-Alcántara +6 more
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Agronomy, 2021 Starter mineral fertilizer is used by famers to provide phosphorus (P) and nitrogen (N) to emerging corn (Zea mays) plants. Recent studies have shown that dairy slurry can replace mineral fertilizer provided it is precisely positioned close to the corn ...
Derek E. Hunt, Shabtai Bittman
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Revista Brasileira de Engenharia Agrícola e Ambiental, 2010 A presente pesquisa foi desenvolvida no Departamento de Engenharia Rural da FCAV/UNESP, SP, Brasil, com o objetivo de se estudar, qualiquantitativamente, o biogás produzido por 5 substratos que, após utilizados na digestão anaeróbia, foram caracterizados
João A. Galbiatti +4 more
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Agronomy, 2021 The solar drying of pig slurries was tested in a pilot-scale greenhouse (10 m2 footprint), operated with forced ventilation under low and high solar irradiation in Mediterranean conditions.
Francesc X. Prenafeta-Boldú +5 more
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Methods for Solving Environmental Problems in Livestock and Poultry Farming
Сельскохозяйственные машины и технологии, 2019 In the Northwestern Federal District, the main agricultural source of environmental pollution is the disposal of organic waste (manure and litter), which accounts for a risk of 85 percent. The problem of ensuring environmental safety requires appropriate
A. Yu. Bryukhanov +3 more
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Rotation and Fertilization Effects on Soil Quality and Yields in a Long Term Field Experiment
Agronomy, 2021 Understanding the complex relationships among soil quality, crop productivity, and management practices would help to develop more sustainable agricultural production systems.
Caterina Giacometti +6 more
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Determinations of feed–milk–manure relationships on grazing-based dairy farms
Animal, 2012 Feed conversion into milk, nutrient excretion in manure and subsequent environment impacts of manure management are highly influenced by the diets that farmers feed their lactating cows (Bos taurus).
J.M. Powell, S.R. Aarons, C.J.P. Gourley
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Effect of phosphoric rock on the chemical, microbiological and enzymatic quality of poultry, equine and cattle manure compost mix [PDF]
International Journal of Recycling of Organic Waste in Agriculture, 2022 Purpose Phosphorus (P) is one of the key elements in the agricultural sector, allowing improved production yields. Phosphate rock is a natural source of phosphorus; however, its low reactivity limits the release of P available to plants in the short term,
Luis Paez +3 more
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