CORN YIELD - FRAGIPAN DEPTH RELATIONS ON A ZANESVILLE SOIL

[1] BAILEY H. H., 1964, SOIL SCI SOC AMER PROC, V28, P680

[2] CARLISLE F. J., 1957, Soil Science Society of America. Proceedings, V21, P320

[3] ENGELSTAD O. P., 1961, SOIL SCI SOC AMER PROC, V25, P497

[4] SOIL-EROSION EFFECTS ON PROPERTIES AND PRODUCTIVITY OF 2 KENTUCKY SOILS [J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1982, 46 (05) : 1051 - 1055

[5] Grossman R. B., 1969, ADV AGRON, V21, P237, DOI [10.1016/S0065-2113(08)60099-1, DOI 10.1016/S0065-2113(08)60099-1]

[6] Le Clerg E., 1962, FIELD PLOT TECHNIQUE

[7] 1975, AGR HDB USDA, V436

[1] BAILEY H. H., 1964, SOIL SCI SOC AMER PROC, V28, P680

[2] CARLISLE F. J., 1957, Soil Science Society of America. Proceedings, V21, P320

[3] ENGELSTAD O. P., 1961, SOIL SCI SOC AMER PROC, V25, P497

[4] SOIL-EROSION EFFECTS ON PROPERTIES AND PRODUCTIVITY OF 2 KENTUCKY SOILS [J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 1982, 46 (05) : 1051 - 1055

[5] Grossman R. B., 1969, ADV AGRON, V21, P237, DOI [10.1016/S0065-2113(08)60099-1, DOI 10.1016/S0065-2113(08)60099-1]

[6] Le Clerg E., 1962, FIELD PLOT TECHNIQUE

[7] 1975, AGR HDB USDA, V436