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The runoff of fertilizers from farm fields affects water quality throughout the world. In the United States, fertilizer runoff sends large amounts of nitrate – a form of nitrogen – into watersheds suc...
Scientists 'farm' natural killer cells in novel cancer-fighting approach（图）
Scientists farm natural killer cells novel cancer-fighting approach
2021/3/5
Building on the promise of emerging therapies to deploy the body's "natural killer" immune cells to fight cancer, researchers at the University of Michigan have gone one step farther.They've...
Humoral and cellular immune response to Histophilus somni recombinant heat shock protein 60 kDa in farm animals
rHsp60 Histophilus somni subunit vaccine calves piglets hens
2015/11/26
The aim of this study was to evaluate the effects of immunising farm animals with the Histophilus somni recombinant heat shock protein 60kDa (H. somni rHsp60) in field conditions. Fifty piglets, 10 ca...
The culprit, says ecologist Ivette Perfecto of the University of Michigan, is a fungus sweeping through coffee plantations in Mexico and Central America, limiting coffee production and pushing prices ...
Many agricultural products can be sold directly to the public through a roadside market. Marketing your crop through a roadside market requires a great deal of planning and the thorough examination of...
Comparison of Mathematical Models Applied to F1 Dairy Sheep Lactations in Organic Farm and Environmental Factors Affecting Lactation Curve Parameter
Sheep Milk Lactation Curve Organic Farming Mathematical Models
2016/5/12
The objective of this study was to compare the goodness of fit of four lactation curve models: Wood’s Gamma model (WD), Wilmink (WL), and Pollott’s multiplicative two (POL2) and three parameters (POL3...
Analysis of Forest Resource Change in Mao’er Mountain Forest Farm Based on GIS
Digital Elevation Model (DEM) Forest Resource Change Geographical Information System (GIS) Overlay Analysis
2011/12/20
This paper, based on the forest map of Mao’er Mountain in 1983 and forest inventory sub-compartment database of Mao’er Mountain in 2004, and with the support of geographical information system (GIS), ...
A genetic algorithm for optimizing off-farm irrigation scheduling
Agenetic algorithm optimizing off-farm irrigation scheduling
2009/12/4
This paper examines the use of genetic algorithm (GA) optimization to identify water delivery schedules for an open-channel irrigation system. Significant objectives and important constraints are iden...
Estimation of NH3 emissions from a naturally ventilated livestock farm using local-scale atmospheric dispersion modelling
NH3 a naturally ventilated livestock farm local-scale atmospheric dispersion modelling
2010/1/21
Agricultural livestock represents the main source of ammonia (NH3) in Europe. In recent years, reduction policies have been applied to reduce NH3 emissions. In order to estimate the impacts of these p...
ELECTRONIC WATER TABLE CONTOUR MAPPING AND GROUNDWATER NITRATE INTERPOLATION AT A DAIRY FARM IN TEAGASC, JOHNSTOWN CASTLE, WEXFORD, IRELAND
ELECTRONIC WATER TABLE hydraulic conductivity CONTOUR MAPPING
2009/10/12
The objective of the present study was to construct electronic groundwater maps for the 60.5 ha dairy farm in the Teagasc Environment Research Centre at Johnstown Castle, Wexford, Ireland. Monitoring ...
The impact of broadleaved woodland on water resources in lowland UK：III. The results from Black Wood and Bridgets Farm compared with those from other woodland and grassland sites
broadleaved woodland water resources grassland sites
2009/5/18
In the United Kingdom the planting of broadleaved woodland has led to concerns about the impact on water resources. Comparative studies, typically using soil water measurements, have been established ...
An optimal model using goal programming for rice farm
Goal programming lexicographic linear goal programming
2010/9/10
The Goal programming is used for formulization of the problems which have multiple goals. Rice farmlands usually have the ability of producing different crops. Multiple goals are considered for produc...
Calypso Farm and Ecology Center
Ecology 生态学
2007/12/18
Calypso Farm and Ecology Center is a non-profit, educational farm based in Ester, Alaska.They provide hands-on education to Fairbanks school children through our education programs, and our diversifie...
The relationship between NH3 emissions from a poultry farm and soil NO and N2O fluxes from a downwind forest
NH3 emissions poultry farm soil NO N2O fluxes downwind forest
2010/1/13
Intensive livestock farms emit large concentrations of NH3, most of which is deposited very close to the source. The presence of trees enhances the deposition. Rates to downwind forests can exceed 40 ...
Postpartum Reproductive Management Based on the Routine Farm Records of a Dairy Herd: Relationship between the Metabolic Parameters and Postpartum Ovarian Activity
Dairy Herd Reproductive Management Metabolic Parameters Ovarian Activity
2016/4/19
The aim of this study was 1) to confirm the practical efficiency of a routine milk P4 monitoring system for postpartum reproductive management of a dairy herd, and 2) to evaluate the relationship betw...