The law of Nitrogen and Carbon metabolism, agronomic characters, yield, quality and maturity of CB-1 were studied under the different Nitrogen rate through the randomized block experiment. The law of Nitrogen and Carbon metabolism and its correlation with quality of flue-cured tobacco variety CB-1 under the specific climate by fertilization experiment in Nanping growing tobacco area of Fujian, then put forward Nitrogen rate.
In the case of the same ration of Phosphorus and Potassium, with the ...
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