ACCURACY OF FIELD SAMPLING FOR SOIL TESTS

[21] SAMPLING SOIL AND FOLIAGE IN A PINE PLANTATION [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1966, 30 (03): : 397 - &

[22] SOURCES OF ERROR IN ADVISORY SOIL TESTS .I. LABORATORY SOURCES [J]. NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH, 1966, 9 (02) : 328 - &

[23] NELSON L. A., 1962, SOIL SCI SOC AMER PROC, V26, P497

[24] OLSON R. A., 1958, AGRON JOUR, V50, P185

[25] PECK T. R., 1967, SSSA [SOIL SCI SOC AMER] SPEC PUBL SER, V2, P25

[26] REED JF, 1947, J AM SOC AGRON, V39, P26

[27] RIGNEY JA, 1956, AMER SOC HORT SCI, V68, P569

[28] SHIUE CHERNG-JIANN, 1957, SOIL SCI, V84, P219, DOI 10.1097/00010694-195709000-00005

[29] Snedecor G.W., 1980, STAT METHODS

[30] WILDING L. P., 1964, SOIL SCI SOC AMER PROC, V28, P674

[21] SAMPLING SOIL AND FOLIAGE IN A PINE PLANTATION [J]. SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1966, 30 (03): : 397 - &

[22] SOURCES OF ERROR IN ADVISORY SOIL TESTS .I. LABORATORY SOURCES [J]. NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH, 1966, 9 (02) : 328 - &

[23] NELSON L. A., 1962, SOIL SCI SOC AMER PROC, V26, P497

[24] OLSON R. A., 1958, AGRON JOUR, V50, P185

[25] PECK T. R., 1967, SSSA [SOIL SCI SOC AMER] SPEC PUBL SER, V2, P25

[26] REED JF, 1947, J AM SOC AGRON, V39, P26

[27] RIGNEY JA, 1956, AMER SOC HORT SCI, V68, P569

[28] SHIUE CHERNG-JIANN, 1957, SOIL SCI, V84, P219, DOI 10.1097/00010694-195709000-00005

[29] Snedecor G.W., 1980, STAT METHODS

[30] WILDING L. P., 1964, SOIL SCI SOC AMER PROC, V28, P674