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		种植密度和植物生长调节剂对玉米茎秆性状的影响及调控
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			Effects of Plant Density and Plant Growth Regulator on Stalk Traits of Maize and Their Regulation
			 
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		 图1. 不同处理条件下玉米茎秆横截面积的变化  | 
	
Fig. 1. The change of maize stems cross-sectional area under different treatments  | 
	
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