ANALISA SIFAT NUTRISI TANAH PERKEBUNAN YANG DIBERI PUPUK UREA (CO(NH2)2) MENGGUNAKAN SENSOR NUTRISI TANAH

Yanuar Hamzah, Lazuardi Umar, Susi '

Abstract


Has conducted a study to analyze the nutrient properties of oil palm plantation land by ureaCO(NH2)2 uses sensor Wenner modification of soil nutrients. Soil nutrient concentrations simulatedby varying the mass amounts of fertilizer, where the mass of fertilizer used is 5, 10, and 15 grams.Then measuring to see a shift in the frequency and amplitude. The results showed that the frequencyshift


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