Physical and chemical characteristics of aquatic humus /

類似資料

• Humus acids of soils
  著者:: Orlov, D S
  出版事項: (1985)
• Humus acids of soils /
  著者:: Orlov, D. S.
  出版事項: (1985)
• Irrigation practice and water management
  著者:: Doneen, L D
  出版事項: (1988)
• Meterological factors affecting the epidemiology of the cotton leap worm and the pink bollworm
  著者:: Omar, M H
  出版事項: (1980)
• Soil organic matter in sustainable agriculture
  著者:: Magdoff, Fred; Editor, 等
  出版事項: (2004)