volume 31, issue 5, P887-894 2011
DOI: 10.1590/s0100-69162011000500006
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Abstract: ABSTRACT: Plug dynamics of non compensate drip tubes were evaluated, by the precipitation of moisturized whitewash [Ca(OH) 2 ], which is used in the fertigation for the bulb pH control of the trademarks Azud, Amanco, Naandan, Netafim, Petroisa, Queen Gil, with flow rate varying between 0.4 to 3.0 L h -1 usually used in the country. For this matter, increasing doses of Ca(OH) 2 were applied in the irrigation water, from 0.01 g L -1 to 1.84 g L -1 . The flow rate of each drip tube was measured in intervals of t…

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