搜索结果: 1-12 共查到“农学 microclimate”相关记录12条 . 查询时间(0.125 秒)
Effect of microclimate on the airborne dust and endotoxin concentration in a broiler house
broilers dust endotoxins ammonia carbon dioxide
2015/6/5
Poultry farming is considered to be a notable source of bioaerosols. They can be a risk factor from the aspect of some diseases and for the environment. A study was conducted to assess the effect of m...
Microclimate evaluation of a new design of insect-proof screens in a Mediterranean greenhouse
natural ventilation sonic anemometry discharge coefficient ventilation efficiency
2014/10/24
This work studies natural ventilation in a Mediterranean greenhouse, comparing a new experimental screen of 13×30 threads cm-2 (porosity 39.0%) with a commercial control screen of 10×20 threads cm-2 (...
Growth of plants and microclimate in rice population:I. Horizontal distribution of several meteorological elements in rice population
Border effect Horizontal distribution Microclimate Population Vertical distribution
2009/8/6
The present investigation was carried out to clarify the meteorological environment in the rice population of 40×100 meters. The temperature, water vapor pressure and CO2 concentration in the populati...
Growth of Plants and Microclimate in Rice Population:II. Horizontal distribution of leaf temperature in rice population
Infrared scanning thermometer Leaf temperature Micro-meteorology Rice plant waving Rice population
2009/8/4
The horizontal distribution of leaf temperature in a rice population of 40×40 meters was investigated with an infrared scanning thermometer under a high temperature and high solar radiation during the...
Effects of Irrigation and Straw Mulching on Microclimate Characteristics and Water Use Efficiency of Winter Wheat in North China
Irrigation Microclimate Straw mulching Water use efficiency Winter wheat
2009/7/23
In North China, irrigation is required to obtain a high yield from winter wheat; this results in rapid aquifer depletion. The primary objective of this study was to investigate the influencing mechani...
The impact of tillage systems on soil microclimate, growth and yield of cassava（Manihot utilisima）in Midwestern Nigeria
Nigeria tillage types microclimate hydrothermal ethnoscience
2009/3/4
Cassava is the most widely cultivated root crops among traditional farmers in the Midwestern Nigeria. Majority of the traditional farmers employ the zero tillage system. It is unclear if zero...
Effect of Thermal Screens on the Microclimate and Overall Heat Loss Coefficient in Plastic Tunnel Greenhouses
Plastic tunnel Thermal screen Overall heat loss coefficient
2009/1/13
The objective of the present study was to evaluate the effects of thermal screens made of clear polyethylene (PE) and polyester material on the microclimate and overall heat loss coefficient in plast...
Litter Mass Loss Rates in Deciduous and Coniferous Trees in Artvin, Northeast Turkey：Relationships with Litter Quality, Microclimate, and Soil Characteristics
Litter decomposition litter quality topography microclimate soil factors
2009/1/7
Plant litter decomposition is controlled by both biotic and abiotic factors. It has been widely hypothesized that litter quality and climatic and soil conditions regulate decomposition. The present st...
APPLICATION OF AIRBORNE HYPERSPECTRAL AND THERMAL IMAGES TO ANALYSE URBAN MICROCLIMATE
urban climate hyperspectral remote sensing thermal images red-edge urban vegetation
2010/3/24
Urbanisation is a long standing problem and phenomenon all around the world. It means more
and more challenges for scientists. Remote sensing techniques with high spectral and spatial resolution open...
IMPACT OF ATMOSPHERIC CO2 ENRICHMENT ON SOME ELEMENTS OF MICROCLIMATE AND PHYSIOLOGY OF LOCALLY GROWN MAIZE
global warming simulation microclimate physiology of maize
2010/3/25
Higher atmospheric CO2 concentration may influence positively plant production once the
substrate for photosynthesis and gradient increase between the ambient air and mesophyll cells. Plants respond ...
EFFECT OF MICROCLIMATE ON BACTERIAL COUNT AND AIRBORNE EMISSION FROM DAIRY BARNS ON THE ENVIRONMENT
dairy barn microclimate airborne bacteria emission environment
2010/12/23
The main microclimate parameters, i.e. bacterial count and airborne emission to the immediate environment, were analyzed in a dairy barn. Air temperature, relative humidity and air flow velocity were ...
Modification of Microclimate to Improve Milk Production in Tropical Rainforest of Thailand
Dairy Cattle Fans Milk Period of Lactation Thailand
2016/4/21
The objective of this study was to evaluate the effect of electric fan installation for milk production improvement of dairy cattle in Thailand. The study was conducted using 2 small-holder dairy farm...