In seed time learn, in harvest teach, in winter enjoy.
春天学习,秋天教导,冬天享受。
The Relationship between Plucking Seed Time and Seed Quality of Catalpa Bungei C. A. Mey.
楸树采种期与种子品质的关系
The Relationship between Plucking Seed Time and Seed Quality of Catalpa Bungei C. A. Mey
楸树采种期与种子品质的关系