共 27 条
[1]
BARKER A. V., 1967, ADVAN FRONTIERS PLANT SCI, V18, P7
[3]
CONCENTRATION OF NH3(AQ) REQUIRED FOR INCIPIENT NH3 TOXICITY TO SEEDLINGS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1970, 34 (02)
:259-&
[4]
BENNETT WILLIAM F., 1964, AGRON J, V56, P342
[8]
TEMPERATURE INFLUENCE ON AMMONIUM AND NITRATE ABSORPTION BY LETTUCE
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1972, 36 (01)
:97-+
[10]
GRASMANIS VO, 1965, AGROCHIMICA, V10, P54