搜索结果: 1-15 共查到“农业生态学 soil”相关记录15条 . 查询时间(0.093 秒)
福建农林大学作物科学学院农业生态学课件 keep you soil covered。
福建农林大学作物科学学院农业生态学课件 nutrient cycle in soil。
Analysis of Spatial and Temporal Variation of Soil Organic Carbon Budget in Northern Kazakhstan
Chernozem CO2 emission geostatistics MODIS
2010/10/25
Farm-regional evaluation of soil organic carbon (SOC) dynamics for the chernozem zone in northern Kazakhstan is now vitally important for making agro-environmental policy. In this study, the author in...
Distribution of Arbuscular Mycorrhizal Fungi in Upland Field Soil of Japan 2.Spore Density of Arbuscular Mycorrhizal Fungi and Infection Ratio in Soybean and Maize Fields
Arbuscular mycorrhizal fungi Available phosphate Infection ratio Phosphate adsorption coefficient Spore density
2009/7/23
In this study, soil samples were collected from upland fields where maize and soybeans had been cultivated and the density of AM (arbuscular mycorrhizal) fungal spores and the percentage of soybean ro...
EFFECT OF PERIOD OF CULTIVATION ON THE ABUNDANCE AND DISTRIBUTION OF WEED SEEDS IN THE SOIL PROFILE
weed soil greenhouse germination
2010/3/26
An experiment was laid down in the greenhouse to determine the distribution of weed seeds at
different soil depths and period of cultivation on the distribution of weed seed bank in the soil profile ...
SOIL PH AND ITS ROLE IN CYANOBACTERIAL ABUNDANCE AND DIVERSITY IN RICE FIELD SOILS
abundance cyanobacteria diversity indices rice ecologies soil pH
2010/3/25
The influence of soil pH was evaluated on the abundance and generic diversity of
cyanobacteria in soil samples collected from diverse rice soil ecologies of India. Qualitative and quantitative studie...
The Department of Crop and Soil Sciences at the Pennsylvania State University
Agroecology 农业生态学 Soil Science 土壤学 Turfgrass Science 草业科学 Agronomy 农艺学
2007/12/20
The Department of Crop and Soil Sciences at the Pennsylvania State University is located in the Agricultural Sciences and Industries Building at the University Park campus of The Pennsylvania State Un...
SOIL MICROBIAL BIOMASS IN SEMI-ARID COMMUNAL SANDY RANGELANDS IN THE WESTERN BOPHIRIMA DISTRICT, SOUTH AFRICA
soil microbial biomass microbial community structure vegetation composition abundance and cover soil quality
2010/3/24
Soil microbial biomass is considered as an important early indicator of changes that may occur
in the long term with regard to soil fertility and constitutes an important source and sink of nutrients...
DETERMINATION OF THE PHOSPHATE CONTENT ORIGINALLY ADSORBED ON THE SOIL BY FITTING AN ADSORPTION ISOTHERM MODEL
soil phosphate adsorption model
2010/3/24
In order to replace the rather complicated physico-chemical method, a mathematical technique
related to the binding of phosphate ions was elaborated to determine the labile, and thus plant-available ...
SOIL MICROBIAL PROPERTIES IN COAL MINE TAILINGS UNDER REHABILITATION
coal discard enzymatic activity rehabilitation soil quality
2010/3/24
Microbial properties have been reported to be useful indicators of soil quality and could
possibly serve as assessment criteria of successful rehabilitation of ecologically disturbed areas. During th...
HORDEUM VULGARE: A SUITABLE HOST FOR MASS PRODUCTION OF ARBUSCULAR MYCORRHIZAL FUNGI FROM NATURAL SOIL
AM fungi AM colonization Glomus aggregatum G.fasciculatum Sclerocystis pakistanica mass production
2010/3/24
Four plant species viz. Hordeum vulgare, Triticum aestivum, Phaseolus vulgaris and Phaseolus mungo were examined for mass production of consortium of AM fungi present in the rhizosphere soil. Rhizosph...
EFFECTS OF SOIL TREATMENTS CONTAINING POULTRY MANURE ON CRUDE OIL DEGRADATION IN A SANDY LOAM SOIL
alternate carbon substrates crude oil degradation poultry manure surfactants
2010/3/23
The impacts of crude oil pollution on a sandy loam soil and the influence of incorporation
of poultry manure alone and in combination with alternate carbon substrates (glucose or starch) and surfacta...
COMPARATIVE UPTAKE AND PHYTOEXTRACTION STUDY OF SOIL INDUCED CHROMIUM BY ACCUMULATOR AND HIGH BIOMASS WEED SPECIES
phytoremediation weeds bioconcentration factor transportation index
2010/3/24
Plant species have been recently used for heavy metal accumulation and most of the studies
have been done on hyperaccumulator tolerant species. Metal hyperaccumulator plants though useful to phytoext...
USE OF SIMULATION TECHNIQUE TO DISTINGUISH BETWEEN THE EFFECT OF SOIL AND WEATHER ON CROP DEVELOPMENT AND GROWTH
crop models, soil weather plant development and growth
2010/3/23
Environmental factors significantly influence the development and growth of plants. The main factors are soil and weather conditions. In real world it is not possible to segregate these influences. Us...
SENSITIVITY OF 4M MAIZE MODEL TO THE INACCURACY OF WEATHER AND SOIL INPUT DATA
crop modelling error of measurement uncertainty of simulation
2010/3/23
The accuracy of a crop model is judged mostly by how precise it is in estimating the production. The preciseness of a crop model is determined on one hand by the authenticity of the algorithms describ...