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    ThesisItemOpen Access
    Effect of Biofertilizers and Chemical Fertilizers on Growth, Yield and Quality of Okra [Abelmoschus esculentus (L.) Moench] Cv. GO-2
    (Vegetable Science Department, Aspee Colelg eof Horticulture and Forestry Navsari, 2012-05) Choudhary, Kirti; Bhanderi, D. R
    A field experiment was conducted at Regional Horticultural Research Station, Navsari Agricultural University, Navsari (Gujarat) during rabi season of 2010 for evaluating the effect of biofertilizers and chemical fertilizers on growth, yield and quality of okra [Abelmoschlls esculentus (L.) Moench] cv 0 GO-20 The soil of the experimental field was clay in texture, low in available 'N' (243 kg ha O ') and medium in available 'P20 S' (4005 kg ha O ') as well as 'K10' (276 kg haO')o The experiment was laid out in a Randomized Block Design with three replications and 12 treatment combinations, comprising of T, (RD NPK through chemical fertilizers ha o ' ioeo ISO : 50 : 50, N : P20 S : K20), T2 (Azospirillum 5 kg hao' + 75 % N + 100% PK through chemical fertilizers), TJ (Azospirillllm 5 kg hao' + RD NPK through chemical fertilizers), T4 (Azotobacter 5 kg ha o ' + 75% N +100% PK through chemical fertilizers), Ts (Azotobacter 5 kg ha o ' + RD NPK through chemical fertilizers), T6 (PSB 5 kg ha o ) +75% P + 100% NK through chemical fertilizers), T 7 (PSB 5 kg ha o ' + RD NPK through chemical fertilizers), Ts (YAM 15 kg ha-' + 75% P + 100% NK through chemical fertilizers), T 9 (YAM 15 kg ha-' + RD NPK through chemical fertilizers), T", (Azospirillllin 5 kg ha-' + PSB 5 kg ha-' + YAM 15 kg ha-'), Til (Azotobacter 5 kg ha-' + PSB 5 kg ha-' + YAM 15 kg ha-') and T'2 (Azospirilluin 5 kg ha-' + Azotobacter 5 kg ha-' + PSB 5 kg ha-' + YAM 15 kg ha-'). Results revealed that among the different treatments of biofertilizers and chemical fertilizers plant height was found to be significantly highest with the application of Azospirilluin 5 kg ha-' + RD NPK through chemical fertilizers (T), 96.03 cm). Further, the treatment PSB 5 kg ha-' +75-% P + 100% NK through chemical fertilizers (T6) recorded the maximum number of branches per plant (5.68) and plants under the treatment of Azotobacter 5 kg ha, + RD NPK through chemical fertilizers (Ts) had the highest dry matter production (1309.45 kg ha-'). The combination of inorganic fertilizers (100 % of the recommended N:P20S:K20) and biofertilizer Azospirillllin 5 kg ha-' (T)) produced the highest pod weight (11.53 g), girth of pod (4.88 cm), yield plant-' (139.39 g), yield plor' (5.58 kg) and yield ha" (10324.94 kg). The plants under the treatment of PSB 5 kg ha" + RD NPK through chemical fertilizers (T7) had the highest length of pod (12.03 cm). Whereas the treatment of V AM 15 kg ha-' + 75% P + 100% NK through chemical ferti I izers (T 8) had the highest number of pods per plant (13.11). Based on the results obtained in the investigation it can be concluded that the maximum net return with BeR value of 5-.45: I was achieved under the treatment of Azospirillllm 5 kg ha-' + 100 % RDF through chemical fertilizers (1) . Both the treatments T) and T 6 were found economically profitable and proved highly remunerative. Whereas, sole application of biofertilizers and chemical fertilizers failed to produce its significance on growth, yield and quality attributes.
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    ThesisItemOpen Access
    Response of African marigold (Tagetes erecta L.) cv. Orange to Seedling Age, Planting Time and Pinching
    (Horticulture Department, N. M. College of Agriculture, Navsari Agriculture University, 1995-07) Patel, Alkesh B.; Dave, S. K.
    An eKperlment was carr led out to study the ' raspon.e of AfrIcan m~rlgold (Iagetes erecta L.) c v. Orange to seedling age, plantIng tlme and pInchIng' In medIum black 5011 of South Gujarat at the RegIonal FruIt Research StatIon, GUJ~rat AgrIcultural Unlverslty, Navsar} Campus, Nav.art during the summer season of the year 1993-94. Twenty four treatment combinatIons comprIsing of two seedling age VIZ., 51 (30 days .ftvr sowIng) and (40 day. after Bowing), three treatments of plantIng time VIZ., Tl (25th January), T2 (5th February) and T3 (15th February) ~nd four pinchIng trilatments V12: •• Po (no pinching ), PI (20 days after tran.planting), Pe (30 days .fter tran.plantlng ) and P3 (40 days after tran.plantlng) were compared uSIng splIt plot deSIgn with .88dllng agil and plantIng tIme as maIn plot treatments and pInchIng as sub-plot t .. eatment l·epIlc.ted thrIce. younger .eed llng. (30 days) t "avoured the growth of plant as (40 days). character. VIZ., number of days reqUired for appearance of flower bud and flower opening, Yield attributing characters VIZ., number - and Yield of t"lowers p&r plant and Yield per plot were also §Ignlflcantly Influenced by different seedling age treatments. Ch.aracters VIZ., plant height, number of branches and plant spread before pinching and at flowering stage and all the flower ch.aracters VIZ., dl.ameter and thickness of flower, peduncle length and girth, fre'Eh and dry weight of flower and longevity of flow.r were not I nfluenced slgnlt·lcantly by different seedling .ge Number and yield of flowers ware registered maximum under younger seedlings (30 days) treatment. Among the three planting times, marigold planted on 25th January t"ound superior With respect to plant height at flowering, stem diameter, numbe.- of nodes on main stem, numbEfr of days reqUired for appearance of flower bud and opening of flower, number al,d Yield of flowel-s per plant and yield of flowers per plot. All the characters VIZ., plant hlught, number of branches and plant spread at flowEfrlng, stem diameter, nUtillbEfl- of nodes on main stem, number of days t.aken for appearance of flower bud and flower opening. number and Yield of flowers per plant, t'lower diameter, t· I ower thickne5s, pedUncle girth and fresh and d.-y weight of flower were Slgnlfic.ntly influ.nced by different pinching treatl1lents.