The book The Principles of Agriculture for Common Schools was written by author Isaac Oscar Winslow Here you can read free online of The Principles of Agriculture for Common Schools book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Principles of Agriculture for Common Schools a good or bad book?
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What points should be understood in order to make a proper use of fertilizers ? How may farmers learn what fertilizers contain? How can they learn what the soil requires ? Why does one crop need a different fertilizer from another? Why must soil contain more fertilizing material than the crop uses ? Would the surplus be wasted in a clayey soil ? Why should chemical fertilizers be placed near the surface of the soil? Why should they not be allowed to come in contact with seeds and roots ? Why sh...ould but little be used in the hill ? Why is the manure heap sometimes called the farmer's gold mine? In what three respects does stable manure differ from commercial fertilizers? Why is it a complete fertilizer? What part of the elements of plants is retained in digestion ? Of what advantage is the bulky nature of manure? How does it ren- der land more moist in a dry time ? What part of the value of manure may be obtained in the first crop ? What are the three sources of loss to which stable manure is subject?
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