Soil organic matter in temperate agroecosystems ; long-term experiments in North America
PAUL, E.A.
Soil organic matter in temperate agroecosystems ; long-term experiments in North America - Boca Raton 1997 - 414p
HUMUS -- NORTH AMERICA
HUMUS -- NORTH AMERICA SOIL ECOLOGY -- NORTH AMERICA
631.417 097 S60
Soil organic matter in temperate agroecosystems ; long-term experiments in North America - Boca Raton 1997 - 414p
HUMUS -- NORTH AMERICA
HUMUS -- NORTH AMERICA SOIL ECOLOGY -- NORTH AMERICA
631.417 097 S60