Walter Shmidt; C. A. Menezes Ferraz
SUMMARY
A rig to be adapted to a pressure sprayer is described that permits the controlled application of small (> 1 ml) amounts of insectiddes, fertilizers and other liquids.
Texto completo disponivél apenas em PDF.
Full text available only in PDF format.
Recebida para publicação em 26 de maio de 1962.
Precision sprayer for the application of small amounts of liquids
