TY - BOOK AU - Hatfield, Jerry L. AU - Sauer, Thomas J. TI - Soil Management: Building a Stable Base for Agriculture SN - 9780891188537 U1 - 631.4 PY - 2011/// CY - USA PB - American Society of Agronomy KW - Agriculture and related technologies KW - Technology (Applied sciences) KW - Soil conservation ER -