Abstract:

In order to provide the scientific basics for quality assessment of organic fertilizer commonly used In tobacco as well as rational use of organic fertilizers, this article analyzed the main components of organic fertilizer commonly used in tobacco, classify as well as evaluate the quality of the organic fertilizer, the main components of these organic fertilize were carbon, nitrogen and phosphorus factor. Five types of the organic fertilizer was divided into four quality levels: the first level was cake that contains of high phosphorus, nitrogen, organic matter and nutrients; the second level was ryegrass and sweet potato vine that contains of medium nitrogen, high organic matter and organic nutrients; the third level was pig manure and chicken manure, the feature of this level was high content of nitrogen and phosphorus but low organic nutrients; the last level was cow dung, wheat straw, corn stalks and so on, the feature of this level was poor content of nitrogen, phosphorus, organic matter and organic nutrients. We should take rational application of various types of organic fertilizer based on the actual soil conditions.