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ross cairns
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Les sols solonetziques et leur gestion
Robert Ross Cairns · Services d'information, Ministère de l'agriculture
39 sayfa · 1980
Aménagement / Solonetz / Sols / Entretien / Solonetz soils
Solonetzic soils and their management
Robert Ross Cairns · Agriculture Canada
37 sayfa · 1980
Solonetz / Entretien / Solonetz soils / Soil management / Sols
Solonetzic soils and their management
Robert Ross Cairns · Agriculture Canada : obtainable from Information Division, Canada Dept. of Agriculture
30 sayfa · 1969
Soil management / Solonetz soils
Statistical procedures
Alex R. Mack, Robert Ross Cairns · Illustration Stations Division, Central Experimental Farm
Sayfa sayısı yok · 1959
Mathematical statistics