共 50 条
[31]
REPORT ON NITROGEN IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1956, 39 (03)
:550-558
[32]
REPORT ON POTASH IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1950, 33 (02)
:268-284
[33]
REPORT ON NITROGEN IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1951, 34 (03)
:653-659
[34]
REPORT ON NITROGEN IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1952, 35 (03)
:673-673
[35]
REPORT ON NITROGEN IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1949, 32 (02)
:241-246
[36]
REPORT ON MAGNESIUM IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1952, 35 (03)
:663-666
[37]
REPORT ON MOISTURE IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1950, 33 (02)
:260-261
[38]
REPORT ON POTASH IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1955, 38 (02)
:445-451
[39]
REPORT ON POTASH IN FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1956, 39 (03)
:598-602
[40]
REPORT ON SAMPLING FERTILIZERS
[J].
JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS,
1950, 33 (02)
:229-234