نتایج جستجو برای: farm yard manure

تعداد نتایج: 49462  

2002

Introduction Composting is a process in which microorganisms rapidly consume organic matter, using it as an energy source and converting it into carbon dioxide, water, microbial biomass, heat and compost. Feedstock used to fuel the composting process may originate from a number of different sources, including yard trimmings, manure, biosolids, and agricultural residues. These materials may cont...

Journal: :Journal of environmental management 2017
Haritz Arriaga Maialen Viguria Diana M López Pilar Merino

An on-farm composting network operates in the Basque Country (northern Spain), in which solid manure produced in livestock farms (mostly dairy and beef cattle) is composted through windrow turning. This network aims to produce a valuable resource (compost) for the farmers whereas the volume of the solid manure was reduced at farm level The objective of the study was to assess the gaseous losses...

2011
A. Hensen T. T. Groot J. E. Olesen

The greenhouse gas emissions from agricultural systems contribute significantly to the national budgets for most countries in Europe. Measurement techniques that can identify and quantify emissions are essential in order to improve the selection process of emission reduction options and to enable quantification of the effect of such options. Fast box emission measurements and mobile plume measu...

Journal: :چغندرقند 0
مهدی نصراصفهانی استادیار مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان- بخش تحقیقات گیاهپزشکی

sugar beet cyst nematode (heterodera schachtii schmidt) is transferred to sugar factories along with the sugar beet root and its surrounding soil, so called depot soil. because of high infestation and the possible transfer and distribution of this soil, disinfestations of the depot soil should be taken into considerations. in order to assess the possibility for disinfestations of the depot soil...

2015
Lili Gao Jiaqing Hu Xiaodan Zhang Liangmeng Wei Song Li Zengmin Miao Tongjie Chai

The prevalence of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli (E. coli) is increasing rapidly in both hospital environments and animal farms. A lot of animal manure has been directly applied into arable fields in developing countries. But the impact of ESBL-positive bacteria from animal manure on the agricultural fields is sparse, especially in the rural regions of Tai'an...

2012
Roxana Mendoza Huaitalla Eva Gallmann Kun Zheng Xuejun Liu Eberhard Hartung

Porcine production in China represents approximately the 50% of the worldwide pig production. Information about pig husbandry characteristics in China and manure properties from sows to fatteners in intensive pig farms are not broadly available for scientific studies as it is a time consuming, expensive task and highly inaccessible. This study provides a report about solid pig manures (28% dry ...

2015
Ekenma Kalu

The investigation to determine the different litter/manure management practices of poultry farmers was carried out in Port Harcourt urban area. A well structured questionnaire was administered to 30 randomly selected poultry farmers in the study area by one on one interview and observation of the environment. The results revealed that poultry farming is on the increase. Majority of these farmer...

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