EFFECT OF SOWING DATA AS WELL AS NITROGEN FERTILIZER LEVEL ON GROWTH, YIELD AND DRY SEED QUALITY OF COWPEA PLANT. | ||||
| Journal of Plant Production | ||||
| Article 21, Volume 27, Issue 11, November 2002, Page 7611-7622 PDF (11.82 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2002.257076 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| M. T. Tolba,; EI-Sh. A. Ameen; A. M. Moghazy | ||||
| Vegetable Res. Dept., Hort. Res. Inst., Agrie. Ree. Centre, Cairo, Egypt . | ||||
| Abstract | ||||
| A field experiment was carried out at Parra moon Experimental farm (EI- Dakahlia Govenorate) during 1998 and 1999 seasons to evaluate the productivity of cow pea (cream 7 c.v.) at three sowing dates started on 10 May with 20 days intervals and three levels of ammonium sulphate 20.6% i.e. 0, 50 and 100 Kg/feddan. Sowing at 30 May led to Increases in all plant growth parameters, of green and seed yield and its components i.e. seed index (weight of 1000 seed) and number of pods per plant as well as seed testing l.e. germination percentage germination 'late and germination rate index seedling performance in addition to i.e. hepocotyl and seedling length. On the other hand last SOwing date 20 June was very effective on number of seeds per pods and per plant However, all growth parameters of green and seed yield and its components and quality were significantly increased in this respect. It could be concluded cowpea (Vigna unguiculata L.) grown on last May 30 and applied with 100 Kg ammonium sulphate/feddan gave better green, seed yield and quality. | ||||
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