Agriculture Reference
In-Depth Information
Singh, B. B. and J. P. Jones. 1976. Phosphorus sorption and desorption characteristics of soil as affected by
organic residues. Soil Sci. Soc. Am. J. 40:389-394.
Singh, Y., B. Singh, J. K. Ladha, C. S. Khind, R. K. Gupta, O. P. Meelu, and E. Pasuquin. 2004a. Long-
term effects of organic inputs on yield and soil fertility in the rice-wheat rotation. Soil Sci. Soc. Am.
J.  68:845-853.
Singh, Y., B. Singh, J. K. Ladha, C. S. Khind, T. S. Khera, and C. S. Bueno. 2004b. Effects of residue decompo-
sition on productivity and soil fertility in rice-wheat rotation. Soil Sci. Soc. Am. J. 68:854-864.
Sisti, C. P. J., H. P. Santos, R. Kohhann, B. J. R. Alves, S. Urquiaga, and R. M. Boddey. 2004. Change in carbon
and nitrogen stocks in soil under 13 years of conventional and zero tillage in southern Brazil. Soil Tillage
Res. 76:39-58.
Six, J., E. T. Elliott, K. Paustian, and J. W. Doran. 1998. Aggregation and soil organic matter accumulation in
cultivated and native grassland soils. Soil Sci. Soc. Am. J. 62:1367-1377.
Six, J., E. T. Elliott, and K. Paustain. 1999. Aggregate and soil organic matter dynamics under conventional and
no-tillage systems. Soil Sci. Soc. Am. J. 63:1350-1358.
Six, J., E. T. Elliott, and K. Paustain. 2000a. Soil microaggregate turnover and microaggregate formation: A
mechanism for C sequestration under no-tillage agriculture. Soil Biol. Biochem. 32:2099-2013.
Six, J., K. Paustian, E. T. Elliott, and C. Combrink. 2000b. Soil structure and organic matter: I. Distribution of
aggregate size classes and aggregate-associated carbon. Soil Sci. Soc. Am. J. 64:681-689.
Six, J., C. Feller, K. Denef, S. M. Ogle, J. C. Moraes, and A. Albrecht. 2002. Soil organic matter, biota and
aggregation in temperate and tropical soils—Effects of no-tillage. Agronomie 22:755-775.
Smith, M. S., W. W. Frye, and J. J. Varco. 1987. Legume winter cover crops. Adv. Soil Sci. 7:95-139.
Smith, J. L. and E. A. Paul. 1990. The significance of soil microbial biomass estimations. In: Soil Biochemistry ,
Vol. 6 eds., J. M. Bolag, and G. Strotzky, pp. 357-396. New York: Marcel Dekker.
Smith, S. E. and R. J. Read. 1997. Mycorrhizal Symbiosis . San Diego, California: Academic Press.
Soil Science Society of America. 2008. Glossary of Soil Science Terms . American Society of Soil Science,
Madison, Wisconsin.
Sollins, P., P. Homann, and B. A. Caldwell. 1996. Stabilization and destabilization of organic matter:
Mechanisms and controls . Geoderma 74:65-105.
Sommerfeldt, T. G. and C. Chang. 1985. Changes in soil properties under annual applications of feedlot manure
and different tillage practices. Soil Sci. Soc. Am. J. 49:983-987.
Spaccini, R., A. Piccolo, P. Conte, G. Haberhauer, and M. H. Gerzabek. 2002. Increasing soil organic carbon
sequestration through hydrophobic protection by humic substances. Soil Biol. Biochem . 34:1839-1851.
Spargo, J. T., M. M. Alley, R. F. Follett, and J. V. Wallace. 2008. Soil nitrogen conservation with continuous
no-till management. Nutr. Cycl. Agroecosyst. 82:283-297.
Spargo, J. T., M. A. Cavigelli, M. M. Alley, J. E. Maul, J. S. Buyer, C. H. Sequeira, and R. F. Follett. 2012.
Changes in soil organic carbon and nitrogen fractions with duration of no-tillage management . Soil Sci.
Soc. Am. J . 76:1624-1633.
Stanford, G. and S. J. Smith. 1972. Nitrogen mineralization potentials of soils . Soil Sci. Soc. Am. Proc. 36:465-472.
Stevens, R. J., R. J. Laughlin, and J. P. Malone. 1998. Soil pH affects the process reducing nitrate to nitrous
oxide and di-nitrogen. Soil Biol. Biochem. 30:1119-1126.
Stevenson, F. J. 1982. Humus Chemistry: Genesis, Composition, Reactions . New York: John Wiley & Sons.
Stevenson, F. J. 1991. Organic matter-micronutrient reactions in soil. In: Micronutrients in Agriculture , 2nd
edition, ed., R. R. Mortvedt, pp. 145-186. Madison, Wisconsin: SSSA.
Stevenson, F. J. 1994. Humus Chemistry: Genesis, Composition, Reactions , 2nd edition. New York: John Wiley
& Sons.
Stevenson, F. J. and Y. Chen. 1991. Stability constants of copper (II)-humate complexes determined by modi-
fied potentiometric titration. Soil Sci. Soc. Am. J. 55:1586-1591.
Stine, M. A. and R. R. Weil. 2002. The relationship between soil quality and crop productivity across three till-
age systems in south central Honduras. Am. J. Alter. Agric . 17:2-8.
Strickling, E. 1975. Crop sequences and tillage in efficient crop production. In: Agronomy Abstracts , ed., ASA,
pp. 20-29. Madison, Wisconsin: ASA.
Szilagyi, M. 1971. Reduction of Fe 3+ ion by humic acid preparations. Soil Sci. 111:233-235.
Tabatabai, M. A. 1994. Soil enzymes. In: Methods of Soil Analysis , Part 2, ed., R. W. Weaver et al., pp. 775-833.
Madison, Wisconsin: SSSA.
Tan, K. H. and A. Binger. 1986. Effect of humic acid on aluminum toxicity in corn plants. Soil Sci. 141:20-25.
Tan, K. H., J. H. Edwards, and O. L. Bennett. 1985. Effect of sewage sludge on mobilization of surface applied
calcium in a Greenville soil. Soil Sci. 139:262-268.
Search WWH ::




Custom Search