Effect of plant film-forming anti-transpirant on transpiration efficiency of winter wheat flag-leaf Effect of potassium on tobacco photosynthesis and transpiration efficiency under soil drought stress and different potassium supplied Effect of Abscisic Acid (ABA) and Alternative Split-root Osmotic Stress on Root Growth and Transpiration Efficiency in Maize Sensitivity of Platycladus orientalis young tree to water stress and its transpiration efficiency at different growth stages during annual growth period Water Use of Leymus chinensis Community Progress in the Improvement of Abiotic Stress Tolerance in Plants Using Transgenic Approaches THE EFFECT OF SOLL WATER CONDITIONS ON CARBON ISOTOPE DISCRIMINATION AND MINERALS CONTENTS IN SPRING-PLANTED WHEAT