共 21 条
[1]
ATKINSON HJ, 1958, 169 CAN DEP AGR HDB, P29
[2]
BLACK CA, 1965, AGRONOMY 2, V9
[3]
BRAGE B. L., 1960, SOIL SCI SOC AMER PROC, V24, P294
[4]
PLANT UPTAKE AND RESIDUAL VALUE OF 6 TAGGED NITROGEN FERTILIZERS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1968, 32 (03)
:388-+
[5]
CHAPMAN HD, 1952, SOIL SCI SOC AM P, V16, P267
[6]
CHIN WEI-TSUNG, 1963, SOIL SCI SOC AMER PROC, V27, P316
[7]
COURT M. N., 1962, NATURE, V194, P1263, DOI 10.1038/1941263a0
[8]
TOXICITY AS CAUSE OF INEFFICIENCY OF UREA AS FERTILIZER .2. EXPERIMENTAL
[J].
JOURNAL OF SOIL SCIENCE,
1964, 15 (01)
:49-&
[9]
INFLUENCE OF SOIL TYPE ON RESPONSE OF MAIZE TO UREA IN GLASSHOUSE EXPERIMENTS
[J].
JOURNAL OF SOIL SCIENCE,
1963, 14 (02)
:247-&
[10]
TOXICITY AS CAUSE OF INEFFICIENCY OF UREA AS FERTILIZER .I. REVIEW
[J].
JOURNAL OF SOIL SCIENCE,
1964, 15 (01)
:42-&