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Petiole Sap Testing for Northwest Florida Growers
Автор: UF IFAS Panhandle Ag Extension
Загружено: 2025-03-31
Просмотров: 104
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Danielle Williams, UF/IFAS Extension Gadsden County, and Abbey Smith, UF/IFAS Extension Jackson County provide a demonstration of petiole sap testing of tomato plants to measure nitrogen and potassium levels to monitor drip tape fertigation levels in the field. This same technique can also be used on cucurbit crops such as watermelons or pumpkins. While the accuracy of this test is not as high as true tissue sampling, growers can get the results immediately in the field. Contact your local county extension agent to learn more about this quick sampling method to manage crop fertilization.
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