Year 2018, Volume 3, Issue 1
| Year : | 2018 |
| Volume : | 3 |
| Issue : | 1 |
| Authors : | S.F. EL-SAYED, A.A. GAHRIB, Rasha R. EID |
| Title : | EFFECT OF BIOFERTILIZER AND COMPOST ON NITRATE STATUS, YIELD AND QUALITY OF POTATO TUBER UNDER NEWLY RECLAIMED SANDY SOIL |
| Abstract : | This investigation was carried out during the two summer seasons of 2015 and 2016 in sandy soil on potato culitvar "Sante" to study the effect of using 100% compost (15 t/fed.) and 50% compost + nitrogen fixing bacteria (Azotobacter, and Pseudomonas alone or together) on potato yield and quality as compared to the conventional mineral fertilization (120-75-150 kg/fed. NPK + 5 ton compost/fed.(control)). No significant differences in tubers yield/fed. were detected between mineral fertilization (control) and using 100% compost (15 t/fed).However, control treatment significantly produced a high yield per feddan, more than using 50% compost + any biofertilizer treatment.Using compost treatment at 15 t/fed.execeed all biofertilizer treatments in marketable yield in both seasons, but without significant differences as compared with mineral fertilization (control).No significant differences in tuber dray matter and content of starch in tuber were found between using compost treatment at 15 ton/fed. and mineral fertilization treatment (control)in both seasons. Nevertheless, application of 50% compost+ 4 applications of Azotobacter and Pseudomonas had the highest tuber concentrations of starch and nitrogen with significant differences as compared with the mineral fertilization.Using50% compost + 4 applications of Azotobacter or Pseudomonas or both (Azotobacter + Pseudomonas )and application of 100% compost caused producing potato tubers with the lowest concentration of nitrate with significant differences as compared with the mineral fertilization. No significant differences were detected between mineral and organic fertilizers concerning P and K concentrations in tubers. |
| For citation : | El-Sayed, S.F., Gahrib, A.A., Eid, R.R. (2018). Effect of biofertilizer and compost on nitrate status, yield and quality of potato tuber under newly reclaimed sandy soil. AGROFOR International Journal, Volume 3. Issue No. 1. pp. 139-149. DOI: 10.7251/AGRENG1801139E |
| Keywords : | Potato, Compost, Azotobacter, Pseudomonas,Biofertilizer |
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ISSN 2490-3434 (Printed)
ISSN 2490-3442 (Online)
ISSN 2490-3442 (Online)
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