Physical and chemical characteristics of aquatic humus /

समान संसाधन

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