Project due to the initiative. He called the "soil" to study how to make the soil with sulfur compounds are converted into or acidic soils, and then find a way to grow plants. From the way "Soil to sour" with alternating dry and wet soil. The reaction of the soil acid several times a year to simulate the dry season and the rainy season to the soil brief period down. Measure the acidity of the test plants. The test plants die Then, to find ways to improve the soil to grow the economy. To lead the way for a successful preparation of textbooks issued to farmers in distress.