共 4 条
[1]
COOKE G. W., 1958, Journal of the Science of Food and Agriculture, V9, P324, DOI 10.1002/jsfa.2740090602
[2]
EAGLE D. J., 1958, CANADIAN JOUR SOIL SCI, V38, P161
[3]
INVESTIGATIONS ON THE NITROGEN NUTRITION OF PLANTS .1. A NEW METHOD FOR THE DETERMINATION OF NITROGEN-REQUIREMENT OF SOILS
[J].
PLANT AND SOIL,
1949, 2 (01)
:1-29
HARMSEN, GW
;
LINDENBERGH, DJ
.
[4]
MAAS E. F., 1963, AMER POTATO JOUR, V40, P133, DOI 10.1007/BF02849139