Effects of Nitrogen Application Rates and DPC Sparing Doses on Content of Chlorophyll and SPAD Value in Leaf of Cotton(Gossypium hirsutum L.)
MAZong-Bin, FANGWei-Ping, XIEDe-Yi, LILing-Li, ZHU Wei
Cotton Science . 2009, (3): 224 -229 .  DOI: 10.11963/cs090312