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Results: 1-5 |
Results: 5

Authors: Willson, TC Paul, EA Harwood, RR
Citation: Tc. Willson et al., Biologically active soil organic matter fractions in sustainable cropping systems, APPL SOIL E, 16(1), 2001, pp. 63-76

Authors: Fisk, JW Hesterman, OB Shrestha, A Kells, JJ Harwood, RR Squire, JM Sheaffer, CC
Citation: Jw. Fisk et al., Weed suppression by annual legume cover crops in no-tillage corn, AGRON J, 93(2), 2001, pp. 319-325

Authors: Robertson, GP Paul, EA Harwood, RR
Citation: Gp. Robertson et al., Greenhouse gases in intensive agriculture: Contributions of individual gases to the radiative forcing of the atmosphere, SCIENCE, 289(5486), 2000, pp. 1922-1925

Authors: Jeranyama, P Hesterman, OB Waddington, SR Harwood, RR
Citation: P. Jeranyama et al., Relay-intercropping of sunnhemp and cowpea into a smallholder maize systemin Zimbabwe, AGRON J, 92(2), 2000, pp. 239-244

Authors: Silverstone, SE Harwood, RR Franco-Vizcaino, E Allen, J Nelson, M
Citation: Se. Silverstone et al., Soil in the agricultural area of Biosphere 2 (1991-1993), ECOL ENG, 13(1-4), 1999, pp. 179-188
Risultati: 1-5 |