EFFECT OF TOPSOIL REMOVAL ON NITROGEN-SUPPLYING ABILITY OF PULLMAN SILTY CLAY LOAM

[1] ALLISON F. E., 1955, Advanc. Agron., V7, P213, DOI 10.1016/S0065-2113(08)60339-9

[2] BARTHOLOMEW WV, 1960, 7TH T INT C SOIL SCI, V2, P471

[3] NITROGEN UPTAKE BY WHEAT IN RELATION TO NITROGEN CONTENT OF SOIL [J]. AGRONOMY JOURNAL, 1952, 44 (08) : 420 - 423

[4] CLARK FE, 1960, 7 INT C SOIL SCI T M, V2, P501

[5] COCHRAN WG, 1957, EXPT DESIGNS, P306

[6] MULTIPLE RANGE AND MULTIPLE F TESTS [J]. BIOMETRICS, 1955, 11 (01) : 1 - 42

[7] ECK H. V., 1965, SOIL SCI SOC AMER PROC, V29, P209

[8] ECK HV, 1967, USDA11 CONS RES REP

[9] HERRON GM, 1963, J AMER SOC AGRON, V55, P393

[10] Jackson ML, 1958, SOIL CHEMICAL ANALYS

[1] ALLISON F. E., 1955, Advanc. Agron., V7, P213, DOI 10.1016/S0065-2113(08)60339-9

[2] BARTHOLOMEW WV, 1960, 7TH T INT C SOIL SCI, V2, P471

[3] NITROGEN UPTAKE BY WHEAT IN RELATION TO NITROGEN CONTENT OF SOIL [J]. AGRONOMY JOURNAL, 1952, 44 (08) : 420 - 423

[4] CLARK FE, 1960, 7 INT C SOIL SCI T M, V2, P501

[5] COCHRAN WG, 1957, EXPT DESIGNS, P306

[6] MULTIPLE RANGE AND MULTIPLE F TESTS [J]. BIOMETRICS, 1955, 11 (01) : 1 - 42

[7] ECK H. V., 1965, SOIL SCI SOC AMER PROC, V29, P209

[8] ECK HV, 1967, USDA11 CONS RES REP

[9] HERRON GM, 1963, J AMER SOC AGRON, V55, P393

[10] Jackson ML, 1958, SOIL CHEMICAL ANALYS