›› 2007, Vol. 19 ›› Issue (1): 0-59.
• 论文 •
Effect of planting density and rates of nitrogen and potassium fertilizers on yield and economic efficiency of sweet potato (cv. Zheshu 13)
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Received:1900-01-01
Revised:1900-01-01
Online:2007-01-25
Published:2007-01-25
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