搜索结果: 1-13 共查到“农业基础学科 roots”相关记录13条 . 查询时间(0.293 秒)
Changes in the Endogenous Level of Zeatin Riboside, Abscisic Acid and Indole Acetic Acid during Formation and Thickening of Tuberous Roots in Sweet Potato
Abscisic acid Anatomy Enzyme immunoassay Indole acetic acid Ipomoea trifida Sweet potato Tuberous roots
2009/8/5
Changes in zeatin riboside (ZR), abscisic acid (ABA) and indole acetic acid (IAA) contents of roots in sweet potato (Ipomoea batatas) during their development were investigated by using two cultivars ...
Relative Amount and Physiological Activity of Roots Affect the Resistance to Cool Weather at the Young Microspore Stage through the Number of Pollen Grains in Rice Plants
Rice Pollen Number of Pollen Grains Cool-weather resistance Nitrogen
2009/7/7
The relative amount of roots (dry weight ratio of root to shoot, or root dry weight per spikelet) or the physiological activity of roots is correlated with the cool-weather resistance in rice plants. ...
Conventional coefficient of elasticity for sugar beet roots
sugar beet root coefficient of elasticity
2008/11/26
One of the more important mechanical characteristics of sugar beet roots is the conventional coefficient of elasticity. It is a modulus describing elasticity a basic parameter classifying quality of r...
Dry matter extraction from valerian roots (Valeriana officinalis L.) with the help of pulsed acoustic field
pulsed ultrasonic field extraction dry matter valerian
2008/11/26
The paper presents results concerning ultrasonically assisted extraction of bioactive compounds from roots of valerian. Pulsed ultrasonic field was applied. The investigation was accomplished by varyi...
Influence of flooding and different temperatures of the soilon gas-filled porosity of pea, maize and winter wheat roots
aeration aerenchyma root porosity flooding temperature
2008/11/24
Development of gas-filled root porosity in response to various levels of oxygen supply was tested for Pisum sativum cv. Iłowiecki, Zea mays cv. Alma F1, Triticum aestivum cv. Rosa and CZR 1406. ...
Some physical parameters in relation to water extraction by roots of two pigeonpea genotypes
physical parameters pigeonpea
2008/11/24
In modeling water extraction by roots and in whole crop modeling, careful selection of the factors for their parameterization which could differ from genotype to genotype is a prerequisite. Some physi...
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 Pb-stress on selected physicochemical surface properties of barley (Hordeum vulgare L.) roots
apparent surface area CEC lead roots surface charge dissociation constants
2008/11/20
The objective of this research was to study the roots spring barley of the Ukrainian Peyas variety. The plants grew in a nutrient solution at pH 7, with a 16/8 h (day/night) diurnal light cycle and at...
Effect of soil conditions and mechanical characteristics of sugar beet roots on the value of force necessary for pulling them out
sugar beet extracting force compac- tness of soil soil moisture
2008/11/20
A specially constructed measuring ap- paratus, made in the Department of Agricultural Production Technology in Rzeszów, was used to measure the force necessary for extracting sugar beet roots from th...
Effect of the laser exposure of seeds on the yield and chemical composition of sugar beet roots
laser biostimulation yielding of sugar beet roots chemical composition of sugar beet roots
2008/11/19
The purpose of the research was to characterize the effect of the pre-sowing laser biostimula-tion of sugar beet seeds on the biometric features, yielding and chemical composition of sugar beet roots....
Mechanical properties of sugar beet roots during harvestand storage
sugar beet root skin destructive force deformation
2008/11/14
Comparative study of root mechanical properties of four sugar beet cultivars over harvest and storage periods in the conditions of static loads were carried out including determination of some mechani...
Oxygen concentration in primary roots of broadbean, lupin and pea seedlings as measured with a microelectrode
Lupinus angustifolius L Pisum sativum Vicia faba oxygen in roots oxygen microelectrode
2008/11/13
The paper presents method of measuring the internal oxygen concentration of intact non-lignified plant roots with an oxygen sensitive Clark - type micro-electrode, also allowing the measurement of oxy...
EXPOSURE TO AIRBORNE MICROORGANISMS, DUST AND ENDOTOXIN DURING PROCESSING OF VALERIAN ROOTS ON FARMS
herb farmers valerian roots processing occupational exposure
2010/12/24
The aim of this study was to determine the levels of microorganisms, dust and endotoxin in the air during various stages of valerian (Valeriana officinalis) roots processing by herb farmers and to exa...