Effect of the date of nitrogen application on the development and growth of early and mid-early winter soft wheat cultivars
Rastenievudni nauki. = Plant scienceVolume 18 Issue 6 ISSN 0568-465X
p. 3-12. ill.
Plant cultural practices; Soil science
Title in original language could not be transcribed. 11 ref. In Bulgarian; Summaries in English and Russian.