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A Convenient Method for Determining the Effect of Abscisic Acid on the Stomatal Aperture of Rice (Oryza Sativa L.) by Feeding Solution to the Leaf Tip
Abscisic acid Oryza sativa L Stomatal conductance Wilting
2009/7/31
We established a convenient method for determining the effect of abscisic acid (ABA) solution on the stomatal aperture in wilting-sensitive plants such as rice (Oryza staiva L.). Water or ABA solutio...
Aerobic conditions and antioxidative system of Azolla caroliniana Willd.in the presence of Hg in water solution
Azolla Hg ODR oxygen availability superoxide dismutase
2008/11/26
Heavy metals are among the toxic substances for plants. Their presence causes a state called “heavy metals stress” which manifests itself by many physiological changes in plants. One of them...
A comparison of oxygen diffusion rates in sand moistened with water or peg 20000 solution
ODR PEG solutions water/sand/air mixtures
2008/11/26
Oxygen diffusion rates (ODR) were measured in water/sand/air and PEG solution/sand/air mixtures, spanning a range of liquid/solid/air volume ratios. Replacement of water with PEG solution as the liqu...
Method of solution of cam mechanism of counter-rotating cutterbar (a short communication)
cam mechanism counter-rotating cutter
2008/11/14
The author describes the principle of a cutting device with counter rotating cutter bars including cam mechanism. The course of contact force, between the cam surface and roller of the bar is investig...
Assessment of the agrochemical properties of the soil using the extraction solution Mehlich 3 in Estonia
fertiliser requirement available phosphorus potassium calcium magnesium copper manganese double lactate extraction ammonium lactate extraction
2010/1/13
To determine the requirement of macro- and microelements, seven extraction solutions have been employed in Estonian practice. Double lactate (DL) extraction has been used for determination of the phos...