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Ammonium fixation and availability in Taiwan soils

Ammonium fixation and availability in Taiwan soils

Text (1968)

Part of Electronic Theses & Dissertations

Communication of soil survey and related soil management information

Communication of soil survey and related soil management information

Pennock, Roger, 1923-

Text (1967)

Part of Electronic Theses & Dissertations

Acidity of soil and fertilizer bands as related to manganese toxicity and manganese uptake by potatoes and oats in a greenhouse

Acidity of soil and fertilizer bands as related to manganese toxicity and manganese uptake by potatoes and oats in a greenhouse

White, Ronald Paul

Text (1968)

Part of Electronic Theses & Dissertations