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- [5] YIELD RESPONSE OF WINTER-WHEAT TO CHRONIC DOSES OF OZONE CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1979, 57 (19): : 1999 - 2005
- [10] EFFECTS OF SUBTERRANEAN CLOVER INTERSEEDING ON GRAIN-YIELD, YIELD COMPONENTS, AND NITROGEN-CONTENT OF SOFT RED WINTER-WHEAT JOURNAL OF PRODUCTION AGRICULTURE, 1989, 2 (04): : 347 - 351