Relationship between K15NO3 application period and 15N enrichment of apricot blossoms and developing fruit.

摘要: Abstract The relationship was assessed between the period of K15 NO3 application and level 15N in blossoms ‘Royal’ apricot (Prunus armen iaca L.). Late summer applications K15NO, resulted a 34 fold greater enrichment following year than K15NO3 applied during dormant period. In contrast, 60% higher vegetative shoots 30 days after anthesis when as occurred applications. Thus, fertilizer nitrogen may support early development fruit to extent When Jan, accumulation reproductive organs corresponded with shoot elongation leaf expansion. It appears that N must be absorbed prior fall reach anthesis.