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21. Experiment station work, XLVII : low-grade v. high-grade fertilizers, nut growing in Maryland, "hogging-off" corn, improvement of sandy soils, mineral matter in feeding stuffs, dry farming, preparation of miscible oils, seed selection, an automatic cheese press, evergreens, uses and culture, cane sugar and beet sugar (id:ORC00000115)

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22. The avocado : its insect enemies and how to combat them (id:ORC00000405)

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23. Experiment station work, XL : insoluble phosphates, soluble oils for San Jose scale, forms and methods of applying lime, corn as food for man, sediment in irrigation water, storing preserves and canned goods, hardy Bermuda grass, incubation of chickens, Williamson method of corn culture, prevention of nodule disease in lambs, killing sassafras sprouts, some milk terms (id:ORC00000095)

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24. The more important apple insects (id:ORC00000408)

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25. Insects injurious to deciduous shade trees and their control (id:ORC00000330)

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26. Experiment station work, XLV : the farm home, shrinkage of corn in cribs, lining of ditches and reservoirs, grain for cows at pasture, cement pipe for irrigation and other purposes, starters for ripening cream, water pans for poultry, pollination of forced tomatoes, catching hook for poultry, increasing the productiveness of corn (id:ORC00000112)

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27. Insect enemies of the flower garden (id:ORC00000434)