Projects stemming from the initiative, which he called "Earth to persecute" is to learn how to make a clay sulfur compounds, into soil is acid, sour, or held, and to be able to fix the plant. Starting from how "to annoy the soil acidic," by making the soil dry and wet alternating. In order to accelerate chemical reactions in the soil sour years multiple cycles to simulate the conditions of the dry season and the rainy season, with a brief period of soil and to examine the possibility of acid by crop plants that die out until the test test. Then, find ways to improve the soil, you can plant growth has to be a way to succeed as a textbook publisher, farmers are experiencing problems.