Foliar Analysis is a helpful tool for the adequate application of fertilizers for fruit trees. Since the early of past century, a lot of researches have done in this field in North America and European countries;and foliar analysis becomes a conventional method to guide the application of fertilizers in many orchards. Foliar analysis is considered providing a means to assess the nutritional status of grape tree. In China, however, this technology is still in the experimental stage. It is known that differen...
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