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Aug 28, 2018

It is obvious from the results that application of NPK significantly increased tuber yield of potato cv. Cardinal in the presence of potassium humate due to their synergistic effect. Although, all combinations of NPK and potassium humate significantly improved yield attributes compared to alone application of NPK fertilizers but application of 75% of NPK recommended dose coupled with 16 kg potassium humate per hectare was the most suitable combination because it was found more economical combination among all the treatment combinations. Thus, nutshell of the study is that application of NPK fertilizers along with potassium humate is more profitable and economical for potato growers than alone application of inorganic fertilizers as it enhanced the efficiency of fertilizers, crop yield and net return. 

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