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			A STUDY OF THE ENERGY ANALYSIS AND NUTRIENT BALANCE OF THE COURTYARD ECOSYSTEM IN NORTHERN CHINA
LIANG Wenju, GUO Xiuyin, YANG Yulan, LU Mingyuan, WEN Dazhong
JOURNAL OF NATURAL RESOURCES ›› 1998, Vol. 13 ›› Issue (1) : 28-33.
 PDF(202 KB)
						
							PDF(202 KB) 
						
						
					 PDF(202 KB)
						
							PDF(202 KB) 
						
						
					A STUDY OF THE ENERGY ANALYSIS AND NUTRIENT BALANCE OF THE COURTYARD ECOSYSTEM IN NORTHERN CHINA
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