A pressure machine for injecting trees
AuthorsWilbur O. Reil
James A. Beutel
Authors Affiliations.; ..
Hilgardia 30(12):4-5. DOI:10.3733/ca.v030n12p4. December 1976.
A portable pressure-injection machine has proved to be an effective means of treating pear trees for pear decline and may also be useful for injecting other materials into other trees.
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