共 29 条
- [1] [Anonymous], 1973, SOIL ORGANIC MATTER
- [5] DIONNE JL, 1974, CAN AGR, V19, P16
- [6] EFFECT OF PLOWING AND DIRECT DRILLING ON SOIL NITRATE CONTENT [J]. JOURNAL OF SOIL SCIENCE, 1975, 26 (01): : 53 - 61
- [7] GADET R., 1972, Compte Rendu Hebdomadaire des Seances de l'Academie d'Agriculture de France, V58, P266
- [9] IQBAL MM, 1972, THESIS MCGILL U
- [10] JACKSON W A, 1973, Journal of Environmental Quality, V2, P480, DOI 10.2134/jeq1973.00472425000200040017x