Effect of Mineral and Bio-N Fertilization on Growth, Fruits Yield and Chemical Constituents of Pumpkin (Cucurbita moschata Duchesne) | ||||
| Egyptian Journal of Horticulture | ||||
| Article 8, Volume 41, Issue 1, June 2014, Page 121-131 PDF (473.97 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejoh.2014.1358 | ||||
 View on SCiNiTO | ||||
| Abstract | ||||
| SIGNIFICANT positive influences of fertilization with ⅔ of the …...recommended mineral-N dose + inoculation three times with a mixed bio-fertilizer (Azotobacter chroococcum + Azospirillium brasilense) were observed on growth traits, fruits yield and leaf N, P, K, NO3- and NO2– contents of pumpkin plants compared to fertilization with ⅔ of the recommended mineral-N dos+ inoculation once or twice with the same mixed bio-fertilizer. However, no statistical differences in the aforementioned parameters were noted between fertilization with ⅔ of the recommended mineral-N dose + inoculation three times with a mixed bio-fertilizer and addition of whole recommended dose of mineral-N (control). The least significant mean values of leaf NO3- and NO2– content were attained at fertilization with ⅔ of the recommended mineral-N dose + inoculation three times with a mixed bio-fertilizer. Therefore, inoculation with a mixed bio-fertilizer three times can substitute partially of mineral-N fertilizer and contribute to safety food. | ||||
| Keywords | ||||
| bio-fertilization; Growth; nitrate; nitrite; yield; Quality; Pumpkin | ||||
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