 
			长期施用化肥对山东三大土类土壤物理性质的影响
Effects of Long-term Chemical Fertilization on Soil Physical Properties of three soils in Shandong Province
| {{custom_ref.label}} | {{custom_citation.content}} 
											{{custom_citation.annotation}}
										 | 
/
| 〈 |  | 〉 |