Collect the sample in a clean container, free of infection. In areas where, for example, 1 to 2 cm of soil collected five points, do not. Take the points but more mixed and made to grind with Ron mesh diameter 2-3 mm. To provide land information Do a soil sample in a clean container and without infection. If you have not already done so, for example, the study of the soil to store into refrigerator. But it should not be kept longer than 2 weeks.
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