水分关系 water relationship

植物水分关系 plant water relations ; relazioni pianta-acqua ; water relation in plant

植物细胞水分关系 water relation of plant cell

根水分关系 water relation of root

作物水分关系 relationship between crops and water

产量与水分关系 yield-water relation

南郡分水岭伙伴关系 south county watersheds partnership