provenances

常見例句

• Provenances selection and afforestation technique of Fraxinus mandshurica Rupr.
  水曲柳優(yōu)良種源選擇及造林技術(shù)。
• An approach to seedling growth rhythm from different provenances of Pterocarya stenoptera C.DC.
  楓楊種源苗期生長節(jié)律的初步研究。
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