SOIL MANAGEMENT FERTILIZATION OF ORCHARDS. 49 



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GRAVES ORCHARD 



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Hot 5 



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Hot 6 



Fig. 9. — Plan of the Graves orchard. The portion below the dotted line was in sod. 



Fertilizer Treatment per Acre. 



Plot 1. Manure '8 tons 



Plot 2. Ashes 1,600 pounds 



Plot 3. No fertilizer. 



Plot 4. Bone 600 pounds 



Muriate of potash 160 pounds 



Plot 5. Bone 600 pounds 



Low-grade sulfate of potash 320 pounds 



Plot 6. Bone 600 pounds 



Muriate of potash 160 pounds 



Sulfate of magnesia 255 pounds 



Plot 7. Bone 600 pounds 



High-grade sulfate of potash 160 pounds 



Plot 8. Basic slag 800 pounds 



Low-grade sulfate of potash 320 pounds 



