PDF(1200 KB)
PDF(1200 KB)
PDF(1200 KB)
北京平谷梨园土壤环境和梨果品质调查
Investigation on Soil Environment and Pear Fruit Quality in Pinggu Pear Orchards of Beijing
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |