共 24 条
- [2] BOATWRIGHT G. O., 1961, Agronomy Journal, V53, P33
- [3] CAMPBELL CA, 1977, CAN J SOIL SCI, V57, P311, DOI 10.4141/cjss77-036
- [5] NITROGEN-CONTENT OF WINTER-WHEAT DURING GROWTH AND MATURATION [J]. AGRONOMY JOURNAL, 1976, 68 (05) : 815 - 818
- [6] Fowler D. B., 1983, NEW FRONTIERS WINTER, P238
- [9] FOWLER DB, 1986, 1986 P TILL SOIL CON, P147