EFFECTS OF CHEMICAL AND BIOLOGICAL FERTILIZERS N GROWTH, YIELD AND TUBER QUALITY OF POTATOES ROWN IN SANDY SOILS UNDER SEMI-ARID CONDITIONS | ||||
| Journal of Plant Production | ||||
| Article 14, Volume 30, Issue 9, September 2005, Page 5459-5469 PDF (3.51 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2005.237483 | ||||
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| Authors | ||||
| A. M. Moshileh,; A. E. Moftah | ||||
| Dept. of Plant Production and Protection, College of Agriculture and eterinary Medicine, Qassim University, Saudi Arabia. uraydah B.O. Box: 1482 | ||||
| Abstract | ||||
| This field study was carried out, during fall seasons of 2002 and 2003, to uate the effect of chemical fertilizer (Sangral) and biofertilizer (Nitrobien) in erent ratio (0/0, 100/0, 7S/2S, SO/SO, 2SnS and 01100% of Sangral and Nitrobien, ectively) on the growth, the yield and the chemical composition of potatoes. -~ults showed that nitrogen application increased vegetative growth and yield of tubers. The addition of 2S% of Nitrobien to 7S% of the chemical fertilizer resulted e highest values of growth parameters and yield as compared with all other ::a1ments. Chlorophyll, N, P and K in leaves and total carbohydrate concentration in rs were also increased by the addition of 2S% of Nitrobien to the chemical cer. This study indicated that the application of 25% of Nitrobien with 7S% of ral in mixed form is the best treatment for potato growth and production in arid semi-arid regions. | ||||
| Keywords | ||||
| (Solanum tuberosum L.); "Sangral·; bio-fertilizer "nitrobine·; Chlorophyll; N; P; K; total carbohydrates | ||||
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