Why is it Important to Soil Test?

A soil test is a process by which elements (N, P, K, pH, EC, Ca, Mg, S, organic carbon, and micronutrients: Zn, Br, Mn, Fe, Cu, Mo) are chemically removed from the soil and measured for their “plant available” content within the sample. The quantity of available nutrients in the sample determines the amount of fertilizer that is recommended in soil testing services. A soil test also measures soil pH, humic matter, and exchangeable acidity. These analyses indicate whether lime is needed and, if so, how much to apply.

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