共 28 条
[21]
Pimpini F., 1971, Gartenbauwissenschaft, V36, P511
[22]
PIMPINI F, 1973, Acta Horticulturae (Wageningen), V29, P307
[23]
PIMPINI F, 1969, AGR VENEZIE, V23, P745
[25]
VANBURG PFJ, 1983, SUGAR BEET NITROGEN
[26]
WIENINGER L, 1971, ZUCKER, V24, P599
[27]
WINIGER F A, 1974, Potato Research, V17, P434, DOI 10.1007/BF02362165
[28]
1986, GAZZETTA UFFICIALE L, V155