Experiments in the Use of Fertilizers in Growing Forest Planting Material at the Savenac Nursery (Classic Reprint) - Softcover

Wahlenberg, William Gustavus

Softcover

ISBN 10: 0364190094 ISBN 13: 9780364190098

Verlag: Forgotten Books, 2018

Inhaltsangabe

Excerpt from Experiments in the Use of Fertilizers in Growing Forest Planting Material at the Savenac Nursery

Increases in growth were slight and, as in other fertilizer trials, were not in evidence until the second year, even though the fertilizer used was in readily soluble form. During its first year a tree seed ling naturally expends much energy in root development. At the expense of top growth. After having spent a year developing roots it seems better able to absorb soil nutrients and use them for further growth of the seedling as a whole, especially for top growth. Thus in nursery work it would seem best to apply sodium nitrate in solu tion as a top-dressing on seedlings 2 years old or older if increased growth is the object sought. Much of the fertilizer applied to 1 - 0 stock is lost by leaching before it can become effective. On the other hand, if thinning out of weak and crowded individuals is the main object, the application may well be made on the poor spots in 1 - 0 stands where the inferior seedlings occur. In most cases in actual practice both objects deserve consideration and could be met. By early spring applications of suitable quantities of sodium nitrate on 2 year-old seed beds. Hall (11) recommended that sodium nitrate be used only as a top-dressing because of its very rapid percolation through the soil.

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Details zur Ausgabe

• Verlag: Forgotten Books
• Erscheinungsdatum: 2018
• Sprache: Englisch
• ISBN 10: 0364190094
• ISBN 13: 9780364190098
• Einband: Taschenbuch
• Anzahl der Seiten: 48
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