1. Our plundered planet
پدیدآورنده : Fairfield Osborn
کتابخانه: Library of Institute of Geophysics University of Tehran (Tehran)
موضوع : Soil conservation,Erosion,Agriculture
رده :
S
623
.
O8
2. Ravine lands :
پدیدآورنده : Jagdish Chander Dagar, Anil Kumar Singh, editors.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Ravines.,Soil conservation.,Soil erosion.,Soil restoration.,Agriculture.,Climatic changes.,Conservation biology.,Ecology.,Environmental management.,Ravines.,Soil conservation.,Soil science.,Sustainable development.,TECHNOLOGY & ENGINEERING-- Agriculture-- General.
رده :
S591
3. Reconstruction by Way of the soil
پدیدآورنده : / by G. T. Wrench,Wrench
کتابخانه: Central Library and Documents Center of Tehran University (Tehran)
موضوع : Agriculture,Erosion,Soil conservation
رده :
S
493
.
W7
4. Soil conservation & management in the humid tropics
پدیدآورنده :
کتابخانه: Central Library of Amirkabir University of Technology (Tehran)
موضوع : SOIL CONSERVATION-TROPICS-CONGRESSES , SOIL EROSION-TROPICS-CONGRESSES , AGRICULTURE-TROPICS-CONGRESSES
رده :
S
625
.
T76
I57
1975
