BOOKQUE

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Maryland Spray Calendar for Commercial Apple and Peach Growers: For 1969
E. R. Krestensen , L. O. Weaver , G. J. Stadelbacher
· 1969
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Maryland Spray Calendar for Commercial Apple and Peach Growers: For 1966
C. Graham , E. R. Krestensen , T. L. Bissell
· 1966
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Maryland Spray Calendar for Commercial Apple and Peach Growers: For 1972
E. R. Krestensen , L. O. Weaver , G. J. Stadelbacher
· 1972
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Susceptibility of the Red-banded Leaf Roller, Argyrotaenia Velutinana (Walker), to T D E
E. R. Krestensen
· 1963
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Sprays for Home Fruit Plantings
E. R. Krestensen , W. C. Harding , L. O. Weaver
· 1969
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Experiments with Concentrate Sprayers
E. R. Krestensen , C. Graham
· 1963
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Control of Apple and Peach Pests with Dilute and Concentrate Sprays
E. R. Krestensen , C. Graham
· 1965
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1973 Maryland Spray Calendar for Commercial Apple and Peach Growers
E. R. Krestensen
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Sprays For Home Fruit Plantings.(Rev.69).
University of Maryland Cooperative Extension Service , L.O. Weaver , T.L. Bissell , E.R. Kresten
· 1950