搜索结果: 1-15 共查到“农业基础学科 biomass”相关记录15条 . 查询时间(0.031 秒)
Primary screening of potentially bio-active substances in the lyophilisate of Pectinatella magnifica biomass
bryozoan cell line L929 spreading specific growth rate cell proliferation time-lapse cinemicrography bio-active substances
2015/4/30
The purpose of this research was to examine potential bio-active substances in the lyophilisate of Pectinatella magnifica biomass and its focus was on primary screening of the biomass. Extracts of lyo...
Biomass production and distribution in seedlings of Coffea Arabica genotypes under contrasting nursery environments in southwestern Ethiopia
Ecological Physiology Environment Genetic Diversity
2013/3/4
In Ethiopia, the natural forests with the occurrence of wild Arabica coffee gene pools are under constant threats, largely due to anthropogenic activities. The study was conducted to compare the varia...
Hydrogel amendment to sandy soil reduces irrigation frequency and improves the biomass of Agrostis stolonifera
Sand Water Use Efficiency Hydrogel Irrigation Biomass Agrostis Stolonifera
2013/3/5
Soil water potential indicates the water status of the soil and the need for irrigation. The effect of hydrogel amendment to the upper sand soil layer on water infiltration into the lower un-amended s...
EFFECTS OF CALCIUM FORMS ON ELECTROLYTE LEAKAGE, TOTAL NITROGEN, YIELD AND BIOMASS PRODUCTION BY STRAWBERRY PLANTS UNDER NACL SALINITY
biomass electrolyte leakage NaCl stress
2010/12/8
Strawberry (Fragaria ananassa Duch.) plants cv. Selva was grown in soilless culture under greenhouse conditions to present the effects of application of supplementary calcium combined with nutrient so...
KINETICS AND EQUILIBRIUM STUDIES ON THE BIOSORPTION OF HEXAVALENT CHROMIUM FROM AQUEOUS SOLUTIONS USING BACILLUS SUBTILIS BIOMASS
Biosorption Bacillus subtilis hexavalent chromium adsorption isotherms biomass
2010/3/26
Heavy metal contamination of industrial effluents is one of the significant environmental
problems due to their toxic nature and accumulation throughout the food chain as non-biodegradable pollutants...
基于生物质真空热解液化技术的生物油制备（Biomass Vacuum Pyrolysis Liquefaction System for Bio-oil）
生物质能 生物油 真空热解
2009/5/22
以杉木屑、玉米秸秆和稻壳等7种生物质为原料，在自行研制的真空热解装置上进行生物质真空热解制取生物油的实验研究。7种生物质的生物油产率均大于55%，杉木屑的生物油产率达67%以上。生物油成分分析结果表明，生物油是一种含氧量较高的有机混合物，7种生物油所含化合物类型相似，但具体化学组分及其相对含量有所差别。杉木屑生物油中苯酚及其衍生物的含量较高，达72.81%，仅杉木屑生物油中含有丁香酚，丁香酚的相对...
Variation in Biomass and Chemical Composition of Dominant Rangeland Plants During the Growing Season II. Changes in Chemical Composition
Dominant Rangeland Plants Growing Season Chemical Composition
2009/1/16
This study was conducted to determine the annual variations in crude protein, crude cellulose, P, K, Ca and Mg contents, and the ratio of K/(Ca+Mg) of crested wheatgrass, subalpine brome, sheep fescue...
Variation in Biomass and Chemical Composition of Dominant Rangeland Plants During the Growing Season I. Changes in Biomass, Root/Shoot Ratio, Stem, Leaf, Flower Ratios
Dominant Rangeland Plants Growing Season Biomass Root/Shoot Ratio Stem Leaf
2009/1/16
This study was conducted to determine annual variations in the below- and above-ground biomass, root/stem, stem, leaf and flower ratios of crested wheatgrass, subalpine brome, sheep fescue, junegrass,...
Relationships between Remotely Sensed Data and Biomass Components in a Big Sagebrush（Artemisia tridentata）Dominated Area in Yellowstone National Park
Hyperspectral imagery indices big sagebrush biomass Yellowstone National Park
2009/1/9
The predictive power of a hyperspectral imagery for estimating woody and herbaceous biomass were examined for a big sagebrush (Artemisia tridentata) dominated area in Yellowstone National Park, Wyomin...
Effect of management practices on soil organic matter, microbial biomass and aggregate stability of Orthic Luvisol
management practice organic matter microbial biomass aggregation
2008/11/21
Because of the importance of soil organic matter (SOM) and wet aggregate stability (WAS) on soil quality, the maintenance of satisfactory levels of these parameters is an integral component of soil m...
Extension of the raw material basis for the production of biogas through an efficient conversion of biomass
the raw material biogas
2010/1/18
Extension of the raw material basis for the production of biogas through an efficient conversion of biomass.
Microbial biomass and enzyme activity in vineyard soils under organic and conventional farming systems
Conventional management enzyme activity microbial biomass organic management vineyard soils
2010/1/11
Many recent studies from around the world have compared organic and conventional farming systems in terms of soil properties. Microbial biomass and enzyme activity were compared in vineyard soils mana...
CARBON SEQUESTRATION POTENTIAL IN ABOVEGROUND BIOMASS OF THONG PHA PHUM NATIONAL FOREST,THAILAND
carbon stock biomass allometric equation diameter at breast height
2010/3/25
This study assessed the potential of carbon sequestration on aboveground biomass in the
different forest ecosystems in Thong Pha Phum National Forest, Thailand. The assessment was based on a total in...
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...
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...