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Biostimolanti in agricoltura

presupposti scientifici e applicazioni pratiche

Fertilizers and insecticides

  • Wiley, Harvey Washington

Die chemische Düngerindustrie

ein Leitfaden für Studierende und angehende Chemiker

  • Schucht, Ludwig

Les engrais

  • Gallay, René

Manual on phosphates in agriculture

general information for fertilizer salesman, county agent, agricultural teacher, farmer and fertilizer dealer

  • Sauchelli, Vincent

Nutrient balances and fertilizer needs in temperate agriculture

proceedings of the 18. Colloquium of the International Potash Institute held in Gardone-Riviera, Italy, 1984

  • Colloquium of the International potash institute 18. Gardone Riviera 1984

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