Results 21 to 30 of about 48,172 (267)
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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METHODS OF DISINFECTION OF MANURE AND MANURE EFFLUENTS
THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL, 2020 The problem of environmental pollution has now acquired global significance. Helminth eggs in liquid manure laid in open-type sedimentation tanks in October-November, remain viable for 12 months or more, and in spring-summer manure for 4–5 months. Therefore, uninfected liquid manure in both winter and summer poses a serious threat of contamination of ...
null Hutoryanina +2 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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“Manures and their Uses” [PDF]
Nature, 1890 ALLOW me to thank the well-known writer “W.” for his review of the above-mentioned book. “W.” does not hold with the view that “farmyard manure is erroneously supposed to contain all the necessary plant-foods required for the growth of plants.” I believe, with M. Ville and others, that “the farmer who uses nothing but farmyard manure exhausts his land.”
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