The Effects of Long-term Fertilization on Crop Yield and Aqu-i cinnamon Soil Organic Matter
SONGYong-lin, TANGHua-jun, LIXiao-ping
ACTA AGRICULTURAE BOREALI-SINICA . 2007, (S1): 100 -105 .  DOI: 10.7668/hbnxb.2007.S1.026