INFLUENCE OF MICROBEIN (BIOFERTILIZER) AND DIFFERENT RATES OF NITROGEN AND PHOSPHORUS ON GROWTH, YIELD AND QUALITY OF POTATO PLANT. | ||||
| Journal of Plant Production | ||||
| Article 18, Volume 27, Issue 8, August 2002, Page 5449-5460 PDF (1.54 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2002.256257 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| E. M. Awad,; E. M. EI-Said; A. I. Abdel-Fattah | ||||
| Vegetable Res. Dept., Hort. Res. Inst., Agrlc. Res. Center, Giza, Egypt | ||||
| Abstract | ||||
| This Investigation was carried out during the two Fall (Nili) seasons of 1998/1999 and 199912000 on potato OJ. Oiamontat Baramoon Experimental Fann, Oakahlia Govemorate, Egypt, to study the influence of Microbein as biofertilizer and four different rates of nitrogenous and phosphorous as I'IIinaIaI fertilizers, Le., 25 % N + 25 % PzOs, 50 % N + 50 % P~s, 75 % N +-75 '" Ms. and 100 % N + 100 % PzOs of the recommended dose of N+P (180 kg •• +- 75 Ita P-~.) aa well as their interactions on growth. tuber yield and contoenbr 01 NPK ift fOnage and tubers as well as starch and Ni&rate content in tubers. R.esufts shoMld that treating potaID seed tubers with Mlcrobein before planting. increased sIgnificantly pfants stand (%) In the first season, vegetative growth. i.e., plant height, foliage fresh welghVplant (In the first season), number of main stemslplant (in the second season), foliage dry weight ('Yo), and yield panlmet8rs I.e., total tuber yield (tonlfed.). number of tubers/plant, tuber average weighf (g). tuber dry matter (%), NP content in foliage, N (in the second season), Pin the Mo aeasons), K (in the first season) in tubers and starch content in tubers as compared to the untreated seed tubers. On the other hand, nitrate concentration (ppm) was not significantly affected In both seasons. Increasing nitrogen and phosphorus rates up to 75 % N + 75 % PZ05 of the recommended dose/fed., increased significantly in foliage dry weight (%), yield parameters and starch content In tubers In the two seasons, while plant stand (%), p'lant. heiQht, foliage fresh weight (In first season). number of main stems/plant (In the ~ ~,IMPKin foliage and tubers as well as nitrate concentration. increased by incre.i-"~) r,atasu~to. the recommended full doses (100. ~ N + 1Qm%.~. in two seaSQIIL Th& i~ between Mraobein and (N.... PlQa) rates shawad: alao significant effedai CDI1; 101lag80 diy welPt.. yield pai'8lTletetS •. M content in foil •••. 1"< bcJIII1 seasons and K content!lrTJoIiag_e in the saand season. Generally, tr.e..'"t!i'cg: ,..,.potato tulbers will Microbein (biofertillzer) af rafe of 10.67 kg/ton before pJantilllii iil1 aUdition lD 75 II£. N + 75 % P20~ed.) of the recommended doses gave· ~ •• mum, ~Id and quality of tubers. Moreover, treating s~e~ ti.iwrs with Microt)101~ ~ ptantlng will IIV. about 25 % of the requ;~d amo~nts of NP fertilizerlfed, pariic~:!~: In the 4~Y'Y loa~ soil and consequent wi.l decrease the total cost of production per It# •.•• -!n .addltlon to ~e environmental pollution with the high rates of chemical fertiliul'l wiii iilsc pt; decreased. | ||||
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