搜索结果: 1-15 共查到“农学总论 Variation”相关记录24条 . 查询时间(0.25 秒)
Composition and Seasonal Variation in Planktonic Blue-green Algae in Shadawanka River, Bauchi, Nigeria
Planktonic Season Physicochemical Anthropogenic Genera
2010/11/16
The study of the composition of Planktonic blue-green algae was under taken for the period
of eight months (February–September, 2007). Assessment of physicochemical characteristics of the river was a...
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...
Variation of High Molecular Weight Glutenin Subunits in Two Neglected Tetraploid Wheat Subspecies
tetraploid wheat seed storage proteins genetic diversity electrophoresis
2014/3/11
The genetic diversity of 140 accessions of triticum turgidum ssp. carthlicum Nevski em. A. Löve &
D. Löve and 159 accessions of t. turgidum ssp. polonicum L. em. Thell. was evaluated by th...
Relationships between the Yearly Variation in the Developmental Phase and Fruit Qualities of Japanese Pear ‘Kosui’ and Climatic Factors
Fruit Qualities Japanese Pear Climatic Factors
2009/7/10
We analyzed the relationships between the yearly variation in the developmental phase and fruit quality of the Japanese pear ‘Kosui’ (Pyrus pyrifolia Nakai) and climatic factors in Mie Prefecture betw...
Variation of Sesquiterpene Lactones Content in Lactuca and Cichorium Species
bitterness component breeding genetic variation HPLC medicinal plant
2009/7/7
Lettuce (Lactuca spp.) and chicory (Cichorium spp.) are known as traditional medicinal plants with several pharmaceutical effects attributed to the sesquiterpene lactones (SLs) present in their latex....
ENVIRONMENTAL VARIATION IN SEED AND SEEDLING CHARACTERISTICS OF PINUS ROXBURGHII SARG. FROM UTTARAKHAND, INDIA
Garhwal Himalaya Provenance Altitude Hydrogen per oxide treatment Seedling height
2010/3/26
The present study was undertaken to assess the environmental variation in seed characters and
to explore the efficacy of hydrogen peroxide treatment on the germination and seedling traits of sixteen ...
Inter-population variation of chromosome and RAPD markers of Suaeda nudiflora（Willd.）Moq. a mangrove species in India
Genetic divergence genetic polymorphism RAPD markers somatic chromosome Suaeda nudiflora
2009/3/3
Inter-population genetic diversity in Suaeda nudiflora, a mangrove, was investigated through RAPD and chromosome analysis among five Indian populations. Somatic chromosome numbers 2n=36 report...
Drug Yield and Essential Oil of Thymus vulgaris L. as in Influenced by Ecological and Ontogenetical Variation
Drug Yield Essential Oil of Thymus vulgaris L Ecological and Ontogenetical Variation
2009/1/23
Drug yield and volatile oil content and its components of Thymus vulgaris were investigated during the different growing periods under both lowland and mountainous conditions. The highest drug yields ...
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,...
Estimation of genetic variation of traits and physical properties of seeds for grass pea mutants (Lathyrus sativus L.)
grass pea mutants physical properties of seeds variation of traits
2008/11/19
As a result of mutation induction by using two chemomutagenes-sodium azide (NaN3) and N-nitroso-N- methy- lurea (MNU) as well as laser light, numerous mutants of grass pea (Lathyrus sativus L.) were ...
Seasonal variation of some soil structure indicators
polysaccharides aggregation soil structure
2008/11/12
Seasonal changes of soil carbohydrate and root weight were studied for the grey forest soil at different phases of the growth of barley. The soil structure was characterized simultaneously by soil ag...
Seed microstructure and genetic variation of characters in selected grass-pea mutants(Lathyrus sativus L.)
chemomutagenesis Lathyrus sativus plant
2008/11/12
Significant differences in a mutant form of Polish
grass-pea obtained from parental cultivars Derek and Krab by
chemomutagenesis were shown. Agricultural properties of plants
(plant height, number ...
Temperature variation in a sawdust oven using different wood species
temperature variation sawdust oven using wood species
2008/11/12
An investigation was carried out on the use of sawdust as fuel for firing oven. An oven was fabricated and fired with sawdust from four selected wood species (Triplochitus scleroxylon, Milicia excelsi...
Temporal variation of the winter rape crop spectral characteristics
crop growth winter rape field spectroscopy vegetation indices remote sensing
2008/11/12
Application of remote sensing techniques in agriculture can be succesfull only if it is based on the knowledge of spectral-temporal properties of different crops and bare soils. The main goal of this ...