搜索结果: 1-13 共查到“农学 magnetic field”相关记录13条 . 查询时间(0.234 秒)
The effect of magnetic field on hatchability of Japanese quail eggs
Japanese quail egg hatchability magnetic field
2015/6/2
The effect of environmental conditions on hatching indices of poultry eggs is sufficiently important that new methods for their improvement are sought, among others through exposing the eggs during ha...
Portable Equipment for Measuring Three Dimensional Information of Crop Canopy Using a Magnetic Field Sensor
Leaf orientation-adjusting movement Magnetic field sensor Soybean
2009/8/6
Portable Equipment for Measuring Three Dimensional Information of Crop Canopy Using a Magnetic Field Sensor.
交变磁场对猴头菌生长及胞外多糖的影响（Influence of Alternating Magnetic Field on Growth and Polysaccharide outside the Cell of Lions mane hericium）
猴头菌 交变磁场 代谢产物
2009/5/22
以猴头菌为研究对象，通过改变磁场强度和作用时间，研究交变磁场对猴头菌生长效应的影响。试验结果表明：磁场对猴头菌胞外多糖的作用相对菌丝的作用有滞后性，在磁场强度为1.06A/m, 作用时间为12h时，磁场对猴头菌菌丝的生长促进作用最强，猴头菌的菌质干质量增长率达140.1％；作用时间为24h时，猴头菌胞外多糖质量浓度增长率达100.8％；作用时间为48h时，磁场对猴头菌胞外多糖的生长促进作用最强，猴...
Static Magnetic Field Influence on Elements Composition in Date Palm (Phoenix dactylifera L.)
Static Magnetic Field Elements Composition Date Palm
2010/11/12
Living cells possess electric charges exerted by ions or free radicals, which act as endogenous magnets. These endogenous magnets can be affected by exogenous magnetic field, which can orient unpaired...
Concentration of free radicals in pea seeds after pre-sowing treatmentwith magnetic field
Electron Paramagnetic Resonance free radicals pea stimulation of seeds
2008/11/26
The aim of the research was the estimation of seed lot magnetic stimulation effect on free radicals concentration and dynamics of pea seeds germination. The first factor were two cultivars of pea: Rol...
Influence of alternating magnetic field on respiration of sugar beet seeds
sugar beet seed treatment seed respiration seed vigour
2008/11/24
The effect of 5 different methods of sugar beet seed treatment on seed vigour was examined. The methods were: rubbing, conditioning, alternating magnetic field treatment, rubbing in combination with a...
Effect of magnetic field on yield and chemical composition of sugar beet roots
magnetic biostimulation magnetic exposure dose yield of sugar beet roots yield of sugar beet leaves
2008/11/21
The purpose of the research was to study the effect of alternating magnetic field on the yield and chemical composition of sugar beet roots. The investigations were undertaken on four varieties of sug...
Effect of oscillating magnetic field pulses on the survival of selected microorganisms
oscillating magnetic field antimicrobial effects
2008/11/19
The aim of this paper was to study the influence of oscillating magnetic field pulses on the survival of certain selected pathogenic microorganisms of potatoes. The less resistant of the tested microo...
Effect of the stationary magnetic field on the germination of wheat grain
magnetic biostimulation strong stationary magnetic field germination speed of wheat seeds
2008/11/19
The effect of strong stationary magnetic field on absorbing capacity of water and respiration intensity of germination seeds, for the first germination phases and growth, were observed. The main goal ...
Germination of wheat grain in an alternating magnetic field
wheat grain germination magnetic field
2008/11/18
The paper presents the germination of wheat grains of the variety Henika, in an alternating magnetic field. The research conducted showed that the influence of an alternating magnetic field on germina...
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...
STIMULATION OF RAPID REGENERATION BY A MAGNETIC FIELD IN PAULOWNIA NODE CULTURES
Paulownia tomentosa magnetic field in vitro regeneration
2010/12/6
In this study, the aim was to determine the effect of magnetic fields on regeneration of Paulownia node cultures. Paulownia tomentosa node cultures were used to generate explants and these explants we...
THE EFFECT OF LOW INDUCTIVITY STATIC MAGNETIC FIELD ON SOME PLANT PATHOGEN FUNGI
phytopathogenic fungi sporulation static magnetic field
2010/11/30
Growth and sporulation of phytopathogen microscopic fungi were studied under a static magnetic field. The applied flux densities were 0,1, 0,5 and 1 mT. As a result of our experiments, the magnetic fi...