And we make it available there that black bean: N, CA, K, Mg, Fe, complete, in which each of the elements that the black beans with malnutrition, which makes the black bean. What was the physical root as normal spoilage, trunk curl bend, the color has been changed, or that the are and what their ngik occur we have applied to the algorithm is the normal color of a fault which conditions of lack of nutrients for each element, it will have to show different symptoms.
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