Yazar
d s orlov
15 cilt bulundu.
Cilt sonuçları
Humic substances of soils and general theory of humification
D. S. Orlov · Taylor & Francis Group
266 sayfa · 1995
Humic content / Soil chemistry / Soils / Humic acid / Humus
Agrarnyĭ sektor industrialʹnogo Kuzbassa v arkhivnykh dokumentakh, 1965-1985 gg
D. S. Orlov · AGAO im. V.M. Shukshina
237 sayfa · 2011
Agriculture / Sources / History / Rural conditions / Economic conditions
Voprosy lokalʹnoĭ istorii
D. S. Orlov · AGAO im. V.M. Shukshina
167 sayfa · 2011
Universities and colleges / Education / Higher Education / Technological innovations / Local history
Agrarnyĭ sektor Altaĭskogo krai︠a︡ vo vtoroĭ polovine 70-kh--pervoĭ polovine 80-kh godov XX veka
D. S. Orlov · Biĭskiĭ gos. pedagogicheskiĭ universitet
203 sayfa · 2007
Agriculture / Economic aspects / Economic aspects of Agriculture
Humus acids of soils
D. S. Orlov · Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co.
378 sayfa · 1985
Soils / Humic acid content / Humus