Surface tension of spray liquids (fungicides, insecticides) and mineral fertilizers depending on the components and water quality | Povrsinska napetost skropiv (fungicidov, insekticidov) in raztopin rudninskih gnojil v odvisnosti od sestavin in kakovosti vode
2007
Perović, Z., Trg Dositeja Obradovića 8, 21000 Novi Sad, (Serbia) | Inđić, D. | Vuković, S. | Klokacar-Smit, Z. | Lazić, S.
The objective of this study was to determine and compare surface tensions of fungicides (Antracol WP-70 and Dithane M-70), insecticides (Actellic-50 and Confidor 200-SL), mineral nutrients (Ferticare I, Ferticare II, Ferticare III /FI, FII and FIII, respectively/ and Wuxal Super) and their mixtures (two and three components) in waters differing in quality (tap water and well water). Surface tension was determined by means of a tensiometer (Lecomte du Nouy), immediately after mixing and after a resting period of 24 hours (at 20 deg C). Differences were observed in surface tension due to water quality. Increased tension in the well water was registered for Antracol WP-70, FIII and Dithane M-70. Increased tension in the tap water was registered for Wuxal Super and Dithane M-70 + Confidor SL-200+ FIII.
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