PRECAUTIONS ON THE USE OF ANHYDROUS AMMONIA APPLICATORS IN RESEARCH PLOTS

[1] ANDREWS WB, 1948, 451 MISS AGR EXP STN

[2] BARR HT, 1952, 462 LOUIS AGR EXP ST

[3] COURT M. N., 1962, NATURE, V194, P1263, DOI 10.1038/1941263a0

[4] HAUCK R D, 1969, Outlook on Agriculture, V6, P3

[5] HAUCK R. D., 1969, Biology and ecology of nitrogen. Proceedings of a Conference. University of California, Davis, November 28 to December 1, 1967., P31

[6] HEDMAN CL, 1954, AGR ENG, V35, P801

[7] A METHOD FOR MARKING POINT OF ANHYDROUS AMMONIA RELEASE [J]. AGRONOMY JOURNAL, 1969, 61 (03) : 485 - &

[8] LEAVITT FH, 1965, AGRICULTURAL ANHYDRO, P125

[9] NOMMIK HANS, 1963, ACTA AGRIC SCAND, V13, P205

[10] NOMMIK HANS, 1963, ACTAAGRSCAND, V13, P371

[1] ANDREWS WB, 1948, 451 MISS AGR EXP STN

[2] BARR HT, 1952, 462 LOUIS AGR EXP ST

[3] COURT M. N., 1962, NATURE, V194, P1263, DOI 10.1038/1941263a0

[4] HAUCK R D, 1969, Outlook on Agriculture, V6, P3

[5] HAUCK R. D., 1969, Biology and ecology of nitrogen. Proceedings of a Conference. University of California, Davis, November 28 to December 1, 1967., P31

[6] HEDMAN CL, 1954, AGR ENG, V35, P801

[7] A METHOD FOR MARKING POINT OF ANHYDROUS AMMONIA RELEASE [J]. AGRONOMY JOURNAL, 1969, 61 (03) : 485 - &

[8] LEAVITT FH, 1965, AGRICULTURAL ANHYDRO, P125

[9] NOMMIK HANS, 1963, ACTA AGRIC SCAND, V13, P205

[10] NOMMIK HANS, 1963, ACTAAGRSCAND, V13, P371