Five Acres and IndependenceDover Publications, 1940 - 397 Seiten Everyone who has ever dreamed of getting back to the soil will derive from Maurice Grenville Kains' practical and easy-to-understand discussions a more complete view of what small-scale farming means. Countless readers of Five Acres and Independence have come away with specific projects to begin and moved closer to the fulfillment of their dreams of independence on a small farm. |
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... nitrogen from the air and the soil . But without nitrogen they can neither grow nor even live . Growth , repair and reproduction are all directly or indirectly dependent upon nitrogen . One of the best indexes of its quantity in the ...
... nitrogen is low ( as in rye ) the bacteria may use all of it for their growth . However , when these die and decay they give this nitrogen back to the soil . When the quantity of nitrogen is very low , as in straw , harmful effects may ...
... nitrogen and phosphorus . TABLE 11. - COMPOSITION OF MATERIALS USED IN MIXING FERTILIZERS Fertilizing Material Ammonia Phosphoric acid Potash Per cent Per cent Per cent Nitrogen carriers Nitrate of soda 18 to 19 Sulfate of ammonia 24 to ...
Inhalt
CHAPTER PAGE | 1 |
TRIED AND TRUE WAYS TO FAIL | 7 |
FIGURES DONT LIE | 15 |
Urheberrecht | |
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Five Acres and Independence: A Practical Guide to the Selection and ... Maurice Grenville Kains Eingeschränkte Leseprobe - 1973 |