搜索结果: 1-15 共查到“农学总论 Variability”相关记录24条 . 查询时间(0.137 秒)
Evaluation of Genetic Variability in Algerian Clover (Trifolium L.) Based on Morphological and Isozyme markers
clover isozymes morphology PAGE polymorphism
2015/7/2
Genetic variation within and among fifteen Trifolium species represented by 157 accessions was assessed using
morphological and isozyme markers. Most of morphometric characters contributed to the di...
Modelling infiltration and geostatistical analysis of spatial variability of sorptivity and transmissivity in a flood spreading area
Philip’s two-term model SCS model variogram
2014/10/23
Knowledge of infiltration characteristics is useful in hydrological studies of agricultural soils. Soil hydraulic parameters such as steady infiltration rate, sorptivity, and transmissivity can exhibi...
Traditional capacity for weather prediction, variability and coping strategies in the front line states of nigeria
Traditional Knowledge Base Rainfall Prediction Crop Production Northern Nigeria
2013/2/28
This paper is based on the results of a pilot project conducted to strengthen Nigerian Meteorological Agency’s (NIMET) capacity to provide reliable planting date forecast in Nigeria. This aspect of th...
Variability, heritability and genetic advance in mulberry (Morus spp.) for growth and yield attributes
Variability Heritability Genetic Advance Yield Attributes Low Leaf Senescence
2013/2/28
Genetic improvement of crop plants is brought about by manipulating the genetic makeup through systematic breeding techniques or by employing modern biotechnological tools. Application of systematic b...
Impact of climate variability on tomato production in Limpopo Province, South Africa
Climate variability climate change temperature tomato production, Limpopo South Africa
2011/1/13
The relationship between tomato production, monthly average temperature and seasonal average temperature in Limpopo province, South Africa during the period of 1971 - 2006 were investigated using stat...
Variability in Selected Soil Physico-chemical Properties of Five Soils Formed on Different Parent Materials in Southeastern Nigeria
Variability physico-chemical properties soils parent materials Southeastern Nigeria
2010/11/15
Different soil individuals require different land use and management practices for optimum
performance and yield. This is only possible if there is adequate information on the physico-chemical proper...
Exploring the variability among smallholder farms in the banana-based farming systems in Bukoba district, Northwest Tanzania
Wealth ranking principal components analysis household characterization participatory rural appraisal farm productivity
2010/9/14
A study was conducted in the high and low rainfall zones in the banana-based farming system in Bukoba district, Tanzania, to explore the variability among household characteristics and farm productivi...
Assessment of Spatial Variability of Tambons Based on Farming Systems Characteristics for Scaling-up of Diversification in Khon Kaen Province,Thailand
animals horticultural crops rice upland crops
2009/6/10
Data from 174 non-irrigated farms in 50 tambons (sub-districts) in Khon Kaen Province, Thailand,taken by the Office of Agricultural Economics (OAE) on land area by type of agricultural use andincome s...
Evaluating the Topography and Climatic Variability on Agricultural Land Use Changes in Semi-Arid Terrain. Using EO-1 ALI and ETM+ Data
Hyperspectral Multispectral Topography Climatic Changes Agricultural Changes
2016/4/7
The growth of human population, increasing demand for agricultural production and concerns about food security in the world are among the reasons for growing interest in land monitoring based on satel...
Climate Variability Over Gujarat, India
Climate Variability Temperature Rainfall Extreme Events Gujarat
2016/4/7
Climate variability and occurrence of extreme weather events are the major concerns linked to global warming. In this paper past 40 years data of all IMD observatories in Gujarat state of India has be...
VARIABILITY ANALYSIS OF SELECTED QUANTITATIVE CHARACTERISTICS IN EDIBLE POTATO VARIETIES
variance components tuber yield starch content dry matter content vitamin C content edible potato
2009/3/31
The paper presents the variability analysis of some quantitative characteristics, that is of tuber yield, starch content and yield, dry matter content and yield and vitamin C content in selected edib...
Influence of laser beams combined with chemomutagen (MNU) on the variability of traits and mutation frequency in spring barley
combined treatment barley biostimulation mutation laser N-methyl-N-nitrosourea
2008/11/24
Laser light as a pure ecological factor started to be used as a plant biostimulator. It is especially important in the case of short exposures to laser light. However, prolongation of irradiation indu...
Estimation of genetic variability of yielding traits and physical properties of seedsof spring barley (Hordeum vulgare L.) mutants
hull-less barley geometric properties resistance to squashing mutants yield structure
2008/11/19
The material for performed studies comprised 19 hull-less barley mutants, their initial form 1N/86, as well as six hul- led forms – three fodder and three malting cultivars. In field trial the mutants...
Influence of laser beams on the variability of traitsin spring barley
barley chlorophyll mutants laser mutants mutations variability yield structure
2008/11/18
Laser is one of the sources for inducing a biostimulation effect and genetic changes in higher plants. Lower doses of laser activate plants, resulting in increasing bioenergetical potential of the ce...
Influence of magnetic field with chemomutagen and gamma rays on the variability of yielding parameters in barley (hordeum vulgare L.)
biological injuries biostimulation magnetic field mutagens spring barley
2008/11/18
The goal of performed investigations was estimation of magnetic field, chemomutagen and gamma rays influence on the level of biological injuries of M1 barley plants, expressed by variation of yield st...