EFFECT OF NITROGEN SOURCES, BORON AND MOLYBDENUM LEVELS ON YIELD AND YIELD COMPONENT OF SNAP BEAN | ||||
| Journal of Plant Production | ||||
| Article 24, Volume 28, Issue 1, January 2003, Page 513-528 PDF (4.34 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2003.242169 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| Aida M. Abd EI-Rahim, | ||||
| Veget. Res. Dept., Agric. Res. Centre, Cairo, Egypt. | ||||
| Abstract | ||||
| This study was carried out at EI-Baramoon Horticultural Research Farm during summer seasons of 1998 and 1999 to study the effect of N-sources, urea [Co(NH2)2]. Ca-nitrate Ca(N03)2 and ammonium sulphate [(NH4)2S04] at the rate of 50 kg N / fed, boron levels (0, 5 and 10 ppm) and Mo levels (0,10 and 20 ppm) on growth, yield and quality of snap bean (Phaseo/us vulgaris) cv. Bronco. The obtained results showed that Ca-nitrate application was the most effective treatment for increasing stem diameter, pod length, pod width, total yield I plot and total yield I feddan, followed by urea then ammonium sulphate. With respect to the effect of boron levels applied, the 10 ppm boron level was the best level for increasing total yield I feddan and improving quality. While, the 5 ppm boron level decreased total yield I feddan compared with zero level of boron. The best Mo level was 20 ppm, which recorded the highest values in most characters measured in both seasons of study. Generally, the highest total yield and quality of snap bean plants were obtained when fertilized with Ca-nitrate at the rate of 50 kg N/fed, 10 ppm of boron and 20 ppm of molybdenum. | ||||
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