Germination and seedling growth were promoted with application of cal-cium chloride(CaCl2)and gibberellin (GA )mixture on seed under moderate droughtcondition, and then the yields and water use efficiency of wheat and other crops were in-cresed by this method through the pot,plot and field tests,The prolominary researchon physiological respoinses showed that the mixture application of Ca and GA played anintersupplementary role in both metabolism and growth of crops,which is favourable to...
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