Relationship between Boron Deficiency Occurrence and Annual Changes inContents of Boron and Sugar of Newhall Navel Orange Influence of boron deficiency on POD and SOD isozymes in leaves of cotton cultivars at seedling stage Study on relationship between B-deficiency symptoms of cucumber and changes of endogenous hormone Effects of boron deficiency on photosynthesis and carbohydrate status in leaves of mung bean (Phaseolus aureus Roxb) Effect of boron deficiency on structure and nitrogenase activity of nodules in soybean plants Relationship Between Boron Deficiency Occurrence and Changes in Contents of Different Boron Forms in Leaves of Newhall Navel Orange During Fruit Development Differences of Anatomic Structure in Citrus Leaves Caused by Boron and Magnesium Deficiency Differences of Anatomic Structure in Citrus Leaves Caused by Boron and Magnesium Deficiency Relationship Between Boron Deficiency Occurrence and Changes in Contents of Different Boron Forms in Leaves of Newhall Navel Orange During Fruit Development Changes in mineral element contents of ‘Newhall’ navel orange (Citrus sinensis Osb.) grafted on two different rootstocks under boron deficiency Effects of boron on membrane lipid peroxidation and polyamines content in leaves of two cotton cultivars with different boron efficiency at seedling stage Observations on Morphological Abnormalities of the Vessel Elements of Veins and Fruit of Citrus under Boron Deficiency Relationship between Boron Deficiency Occurrence and Annual Changes inContents of Boron and Sugar of Newhall Navel Orange