MEASUREMENTS OF PHOSPHORUS AVAILABILITY IN ACID SOILS OF PENNSYLVANIA

[1] AL-ABBAS A., 1964, SOIL SCI SOC AMER PROC, V28, P221

[2] BAKER DALE E., 1964, SOIL SCI SOC AMER PROC, V28, P511

[3] DETERMINATION OF TOTAL, ORGANIC, AND AVAILABLE FORMS OF PHOSPHORUS IN SOILS [J]. SOIL SCIENCE, 1945, 59 (01) : 39 - 45

[4] CHANG S. C., 1957, SOIL SCI, V84, P133, DOI 10.1097/00010694-195708000-00005

[5] DUNBAR ANDREW D., 1965, SOIL SCI SOC AMER PROC, V29, P259

[6] GRAHAM ER, 1959, 734 U MO AGR EXP STA

[7] GREWELING T, 1960, 960 NY AGR EXP STA B

[8] HUNTER AS, 1965, J SOIL WATER CONSERV, V20, P46

[9] Jackson ML, 1958, SOIL CHEMICAL ANALYS

[10] MEHTA N. C., 1954, SOIL SCI SOC AMER PROC, V18, P443

[1] AL-ABBAS A., 1964, SOIL SCI SOC AMER PROC, V28, P221

[2] BAKER DALE E., 1964, SOIL SCI SOC AMER PROC, V28, P511

[3] DETERMINATION OF TOTAL, ORGANIC, AND AVAILABLE FORMS OF PHOSPHORUS IN SOILS [J]. SOIL SCIENCE, 1945, 59 (01) : 39 - 45

[4] CHANG S. C., 1957, SOIL SCI, V84, P133, DOI 10.1097/00010694-195708000-00005

[5] DUNBAR ANDREW D., 1965, SOIL SCI SOC AMER PROC, V29, P259

[6] GRAHAM ER, 1959, 734 U MO AGR EXP STA

[7] GREWELING T, 1960, 960 NY AGR EXP STA B

[8] HUNTER AS, 1965, J SOIL WATER CONSERV, V20, P46

[9] Jackson ML, 1958, SOIL CHEMICAL ANALYS

[10] MEHTA N. C., 1954, SOIL SCI SOC AMER PROC, V18, P443