Instruction in Agronomy At Some Agricultural Colleges
The book Instruction in Agronomy At Some Agricultural Colleges was written by author True, Alfred Charles. [from Old Catalog] Here you can read free online of Instruction in Agronomy At Some Agricultural Colleges book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Instruction in Agronomy At Some Agricultural Colleges a good or bad book?
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See that one side is perpendicular. Remove all loose soil from bottom of hole. 3. With spade cut off a slice 1 inch thick from the perpendicular side of the hole to a depth of 6 inches, allowing soil to fall to the bottom of the hole where it should be quickly crumbled and mixed and freed from stones larger than a small marble. 4. Place about one-half pint of this soil in one of the trays and cover. Remove the rest of the soil from the bottom of the hole. 5. With spade finish cutting the slice ...to the depth of 1 foot and proceed as above to mix and free from stone. 6. Place one-half pint of this soil in the second tray and cover. 7. Selecting another point proceed as above to take samples of the first and second 6 inches, respectively, and place the samples so taken in the trays with the samples of the first and second 6 inches already taken, respectively. To dry the samples: 8. Weigh each tray with contents, recording weights of each. Remove covers and place tray in drying oven. 9. After forty-eight hours replace covers and weigh trays witli contents, carefully recording weights.
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