共 9 条
[1]
CHANEY AL, 1962, CLIN CHEM, V8, P130
[2]
DENMEAD OT, 1971, PLANT PHOTOSYNTHETIC
[3]
FERTILITY AND PRODUCTIVITY OF A PODZOLIC SOIL AS INFLUENCED BY SUBTERRANEAN CLOVER (TRIFOLIUM-SUBTERRANEUM L) AND SUPERPHOSPHATE
[J].
AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH,
1954, 5 (04)
:664-+
[4]
VOLATILIZATION OF NITROGEN-CONTAINING COMPOUNDS FROM BEEF CATTLE AREAS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1971, 35 (05)
:752-&
[5]
AMMONIA AND AMMONIUM SULFATE IN TROPOSPHERE OVER UNITED-KINGDOM
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1970, 75 (12)
:2317-+
[6]
HENZELL E. F., 1962, Bulletin. Commonwealth Bureau of Pastures and Field Crops, V46, P1
[8]
SIMPSON JR, 1968, 9 T INT C SOIL SCI, V2, P459
[9]
THE CONCENTRATION OF AMMONIA AND NITRATE IN RAIN WATER OVER ISRAEL IN RELATION TO ENVIRONMENTAL FACTORS
[J].
TELLUS,
1964, 16 (02)
:200-204