Yazar
s a el swaify
9 cilt bulundu.
W. Kussow, S. A. El-Swaify · American Society of Agronomy
149 sayfa · 1982
Soil conservation / Congresses / Soil erosion / Soil Erosion Control / Tropics
S. A. El-Swaify · Agricultural Research (Western Region), Science and Education Administration, U.S. Dept. of Agriculture
124 sayfa · 1980
Environmental aspects of Erosion / Erosion / Soil conservation / Environmental aspects
S. A. El-Swaify, William C. Moldenhauer · Soil Conservation Society of America
793 sayfa · 1985
Érosion / Soil conservation / Congrès / Sediment control / Contrôle
S. A. El-Swaify · International Crops Research Institute for the Semi-Arid Tropics
38 sayfa · 1984
Alfisols / Arid regions agriculture / Congresses
S. A. El-Swaify · College of Tropical Agriculture and Human Resources, University of Hawaii
173 sayfa · 1982
Rain and rainfall / Soil conservation / Soil erosion / Tropics
Jody Smith, S. A. El-Swaify · College of Tropical Agriculture and Human Resources, University of Hawai'i at Manoa
65 sayfa · 2006
Sustainable agriculture / Sustainable horticulture / Sustainable forestry / Farmers
Ted L. Napier, Silvana M. Camboni, S. A. El-Swaify · Soil and Water Conservation Society
532 sayfa · 1995
Soil conservation / Science/Mathematics / Agricultural Use Of Water Resources / Soil Management / Nature / Field Guide Books
F. T. Bingham, J. T. Cope, H. V. Eck, S. A. El-Swaify, C. E. Evans · Island Press
Sayfa sayısı yok · 1984
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