A test to compare the efficiencies of Chamaecrista rotundifolia(CR),chicken manure(CM),and Sanju bio-organic fertilizer(SB)on 4-year-old Golden Guanyin tea was conducted at an organic tea plantation.The results showed that the application of SB promoted the growth of autumn tea shoots with 6.96% increase over CR and 2.22% over CM on leaf length.On tea yield per 667m~2,it reached 172.3kg for SB,whereas it was 129 kg for CR and 160 kg for CM,indicating no significant differences among them.Insofar as the chem...