Spraying calendar.

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2017-08-02
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Extension and Experiment Station Publications
It can be very challenging to locate information about individual ISU Extension publications via the library website. Quick Search will list the name of the series, but it will not list individual publications within each series. The Parks Library Reference Collection has a List of Current Series, Serial Publications (Series Publications of Agricultural Experiment Station and Cooperative Extension Service), published as of March 2004. It lists each publication from 1888-2004 (by title and publication number - and in some cases it will show an author name).
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This Bulletin gives directions for fighting some of the common insects and diseases which injure orchard and garden crops and also tells how to prevent smut in oats, barley and wheat.

Insects and fungi cause Iowa fruit growers and gardeners a loss which in the aggregate amounts to hundreds of thousands of dollars annually. They cause fruit and vegetables to rot and to be wormy and knotty or scabby; they damage blossoms and blossom buds and so interfere more or less with the setting of the fruit; they destroy a vast amount of foliage or injure it in such a way as to interfere with its work of building up the special kinds of food which the plant must have in order properly to sustain its life, to support its growth, to form fruit buds for the following year and to store away in its roots, trunk and branches the reserve supply which it needs to support its active growth during the spring until the new leaves are fully developed and ready for work. Fortunately many of the worst of these insects and diseases may be kept well under control by proper treatment as outlined in this spraying calendar. It is not always best to follow these general recommendations exactly. T he strength of the mixtures and the number of treatments should be varied to fit special cases. It must be left for the manager of the work to decide this matter, but let him remember that, as a rule, the Iowa fruit grower who would be most successful under present conditions must spray systematically and thoroughly every year.

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