TY - JFULL ID - 118553265 TI - Quantifying landscape factors influencing soil productivity and the environment ... annual report. AU - Soil Resource Management National Program (U.S.) AU - United States. PY - 2007 SN - 1948898X PB - Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Research Service DB - UniCat KW - Soil productivity KW - Landscape ecology KW - Landscape ecology. KW - Soil productivity. KW - Productivity, Soil KW - Agricultural productivity KW - Crop yields KW - Crops and soils KW - Plant-soil relationships KW - Soil fertility KW - Soil management KW - Ecology UR - https://www.unicat.be/uniCat?func=search&query=sysid:118553265 AB - ER -