The quality of the soil in rice fields, but Ban Pho Si Lu Etm Asset Naeng Mahmud Eam Kap Choeng district. Surin Perry. Prof. th 2557. The purpose of the game: 1) to study soil quality rice 2) the amount of nutrients, including nitrogen, phosphorus and potassium in the soil around the planting area 3) to determine the pH of the soil in the planting area. By the review found that: 1) The study found that the quality of the soil in the rice paddy soil quality in poor soil. This measure of the nutrient, which consists of nitrogen. Phosphorus and potassium Are moderate, low and very low, respectively, and has a pH of 5.5 are acidic medium 2) study of nutrients, including nitrogen, potassium and phosphorus in paddy soil. The three cars were as follows: Nitrogen in rice in medium quality. Nutrient phosphorus is very low. And potassium is low 3) analyzing the pH of the soil in rice fields. By using the color standard for measuring the pH of the soil three times in the 1st, 2nd and 3rd find colors that are dark green with a pH 5.5 acidity is moderate
results. the audit found that the condition of the soil in a paddy soil quality is poor. The audit compared the criteria of soil quality is the quality of the soil means soil nutrients NPK at a good level and very good at all and has a pH in the range of mild acid has a pH of 5.5. - 6.5 and soil quality is poor, meaning the soil with nutrients NPK are low and very low or nutrient poor or very thin and has a pH less than or greater than 5.5 to 6.5 by comparison with the criteria. keeping in mind that the soil in the village of Pho Si soil quality is poor soil.
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