1. Bulk density;Blake,1986
2. Nitrogen-total;Bremner,1982
3. Soil water effects on the use of heat units to predict crop residue carbon and nitrogen mineralization;Doel;Biol. Fert. Soils,1990
4. Biological denitrification;Firestone,1982
5. Heat units as a method of measuring maturity in corn;Gilmore;Agron. J.,1958