EFFECT OF BIO AND MINERAL PHOSPHATE FERTILIZERS ON GROWTH AND PRODUCTIVITY OF CITRON (Citrullas colocynthis). | ||||
| Journal of Plant Production | ||||
| Article 24, Volume 27, Issue 3, March 2002, Page 1773-1782 PDF (477.33 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2002.253754 | ||||
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| Author | ||||
| R. A. El-Shabraway, | ||||
| Vegetables Res. Dept., Hort. Res. Inst., Agric. Res. Center, Egypt. | ||||
| Abstract | ||||
| Two field trails were carried out during two successive summer seasons of 1998 and 1999 at the Farm of El-Gemmeiza Agricultural Research Station to study the response of citron plants to biofertilizer (Phosphorien) at 3 kg/fed and mineral-P fertilizer at 0, 15, 30, 45 and 60 kg P2O5 / fed. in addition to their interaction on growth, yield and its components, fruit traits and chemical constituents in plant leaves. In general, the obtained results can be summarized as follows:- 1. Application of P-biofertilizer (Phosphorien) exerts significant increases in most studied characteristics of plant growth, yield, fruit traits and increased N, P and K concentrations in leaves compared with those of untreated plants. 2. All studied characteristics of plants received mineral-P were generally better than those of unfertilized ones. The highest values were obtained by using 30 kg P2O5/fed. 3. The interaction between phosphorien and phosphorus levels had significant effects on all studied characteristics. In general, treating citron seeds with phosphorien at 3 kg /fed in addition to 30 kg P2O5/fed gave the maximum yield. | ||||
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