TY - BOOK AU - Knuti, Leo L. AU - Korpi, Milton;Hide, J.C. TI - Profitable soil management AV - S 592.7 .K58 1970 PY - 1970/// CY - New Jersey PB - Prentice-Hall, KW - SOIL SCIENCE N1 - Includes index; 1. The importance of our soil and its management -- 2. What is soil? -- 3. Organic matter in soil -- 4. Plant and animal life in the soil -- 5. Soil moisture -- 6. How plants grow N2 - This book contains a full treatment in nontechnical language of soil science, soil management and soil and water conversation ER -