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Risultati 1-20 di 27

Fertirrigazione [+]

un nuovo metodo che consente di aumentare, e spesso triplicare e quintuplicare, la produzione agraria

  • Friedmann, Giovanni

Les essais de fertilisation de longue duree de la station agronomique de Grignon

dispositif deherain et des 36 parcelles : resultats experimentaux (periode 1938-1982)

  • Morel, R.

Richtige dungung durch bodenuntersuchung

ein leitfaden fur den erwerbsgartenbau

  • Lindemann, Albert S.

I.F.A. world fertilizer use manual

  • International fertility association

The U.C. system for producing healthy container-grow plants

through the use of clean soil, clean stock, and sanitation

Die Ernährung im Blumen- und Zierpflanzenbau

ihr Einfluss auf Wuchsbild, Nährstoffaufnahme, Ertragshöhe und Qualität : dargelegt an Hand 10 jähriger Versuchsergebnisse

  • Penningsfeld, Franz

Workshop ecological aspects of vegetable fertilization in integrated crop production in the field

Einsiedeln, Switzerland 7 to 11 September 1992 Workshop

  • Workshop ecological aspects of vegetables fertilization in integrated crop production in the field Einsiedeln 1992

Plant analysis and fertilizer problems

4. : [proceedings of the 4. Colloquium on plant analysis and fertilizer problems held at Brussels, Belgium in September 1962 in connection with the 16. International horticulture congress]

  • Colloquium on plant analysis and fertilizer problems 4. Brussels 1962

Guide sur la fertilisation phosphatee

  • Comitee Agronomique De L'isma

Biostimolanti in agricoltura [+]

presupposti scientifici e applicazioni pratiche

Fertilizers and fertilization

introduction and practical guide to crop fertilization

  • Finck, Arnold

Niveaux de production des récoltes et emploi des engrais

  • Food and Agriculture Organization of the United Nations. Fertilizer and Plant Nutrition Service. Land and Water Development Division

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