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Bu araştırmada, koca fiğ (Vicia narbonensis L.) bitkisinde farklı düzeydeki fosfor (P) dozlarının ot ve tohum verimi üzerine etkisinin belirlenmesi ve koca fiğ bitkisi için optimum P miktarının saptanması amaçlanmıştır. Araştırma, Türkiye’nin yarı-kurak iklimine sahip Güneydoğu Anadolu Bölgesi’nde yer alan Siirt ili koşullarında 2016-2017 yıllarında yürütülmüştür. Araştırmada bitkisel materyal olarak “Tarman” koca fiğ çeşidi kullanılmıştır. Çalışmada tarla denemeleri tesadüf blokları deneme desenine göre üç tekrarlamalı olarak kurulmuş olup fosforun 5 farklı dozu (Po= 0 kg P2O5/da, P3= 3 kg P2O5/da, P6= 6 kg P2O5/da, P9= 9 kg P2O5/da ve P12= 12 kg P2O5/da) araştırmanın konusunu teşkil etmiştir. Araştırmada yeşil ve kuru ot verimi, bitkide bakla sayısı (BBS), baklada tane sayısı (BTS), tohum verimi ve biyolojik verim parametreleri incelenmiştir. Araştırma sonucuna göre, fosforlu gübre dozu uygulamalarının yeşil ve kuru ot verimi ile tohum verimine istatistiki açıdan çok önemli (p<0.01), BBS değerlerine ise önemli (p<0.05) etkileri olmuştur. En yüksek yeşil ot verimi (2765.3 kg/da), kuru ot verimi (488.9 kg/da) ve tohum verimi (237.6 kg/da) P9 gübre dozunda belirlenmiştir. Tüm parametrelerde en düşük değerler fosforlu gübre uygulamasının yapılmadığı kontrol (P0) konusunda saptanmıştır. Baklada tane sayısı ve biyolojik verim yönünden fosforlu gübre dozları arasında istatistiki açıdan farklılık görülmemiştir. Koca fiğ bitkisinde BTS değeri 2.8-3.1 adet, biyolojik verim değerleri ise 494.4-675.9 kg/da arasında değişim göstermiştir. Araştırma sonucuna göre Siirt ili yarı kurak iklim koşullarında, fosforun çok az ve/veya az düzeyde bulunduğu toprak şartlarında, koca fiğin yazlık olarak yetiştiriciliğinde, ot üretimi amacıyla dekara saf 8-8.5 kg P2O5, tohum verimi amacıyla ise dekara saf 9.7 kg P2O5 hesabıyla fosforlu gübreleme yapılması önerilmektedir.
This study was aimed at determining the effect of different levels of phosphorus (P) doses in the Vicia narbonensis plant on herbs and seeds and the optimal amount of P for the Vicia narbonensis plant. The research was conducted in the 2016-2017 years in the Siirt lake conditions located in the southeastern Anadolu region with the semi-dry climate of Turkey. In the research, the "Tarman" large varieties were used as a plant material. In the study, field tests were established in three repetitive forms according to the test pattern of random blocks; the subject of the study was 5 different doses of phosphorus (Po = 0 kg P2O5/da, P3 = 3 kg P2O5/da, P6 = 6 kg P2O5/da, P9 = 9 kg P2O5/da and P12 = 12 kg P2O5/da). The study examined the green and dry herbs, the number of bakes in the plant (BBS), the number of bakes (BTS), the seed productivity and the biological productivity parameters. According to the study, phosphorus fertilizer dosage applications have had a significant statistical impact on the green and dry herb production and the seed production (p<0.01), and the BBS values (p<0.05). The highest green grass yield (2765.3 kg/day), dry grass yield (488.9 kg/day) and seed yield (237.6 kg/day) were determined in the P9 fertilizer dose. The lowest values in all parameters are determined for the control (P0) in which phosphorus fertilizer is not applied. There is no statistical difference between the number of one and the doses of phosphorus fertilizers in terms of biological productivity. The value of BTS in the large beef plant is 2.8-3. The biological performance of 1 unit varied between 494.4-675.9 kg/day. According to the study, in the semi-dry climate conditions of Siirt, in the soil conditions where phosphorus is very low and/or low levels, in the summer cultivation of the large beef, purely 8-8.5 kg P2O5 for the purpose of grass production, and purely 9.7 kg P2O5 for the purpose of seed production, phosphorus fertilization is recommended.
In this study, it was aimed to determine the effect of different levels of phosphorus (P) doses on herbage and seed yield, and to determine the optimum P ratio for narbon vetch (Vicia narbonensis L.). The study was conducted under semi-arid climate conditions of Siirt province in Southeastern Anatolia Region of Turkey between 2016-2017. Tarman variety was used as plant material in the study. The field experiments were established as randomized complete blocks design with three replications, and 5 different doses of phosphorus (Po= 0 kg P2O5/da, P3= 3 kg P2O5/da, P6= 6 kg P2O5/da, P9= 9 kg P2O5/da, and P12= 12 kg P2O5/da) were the subject of the study. In the study; green forage and hay yield, number of pods per plant (NPP), number of seeds per pods (NSP), seed yield and biological yield parameters were examined. According to the results of the study, phosphorus fertilizer dose had very significant (p<0.01) effects on green forage, hay yield, and seed yield while the effect on NPP was at p<0.05 level. The highest green forage yield (2765.3 kg/da), hay yield (488.9 kg/da) and seed yield (237.6 kg/da) were determined at P9 fertilizer dose. The lowest values in all parameters were observed in control (P0) which did not have any P aplied. There was no statistically significant difference for NSP and biological yield between fertilizer doses. In the vetch plants, NSP values were between 2.8-3.1 and biological yield values were between 494.4-675.9 kg/da. According to the results of the research; under semi-arid climatic conditions of Siirt province, soil conditions where phosphorus is limited and/or low, phosphorous fertilization is recommended, with pure 8-8.5 kg P2O5 per hectare for herbage production and 9.7 kg P2O5 per hectare for grain production on spring/summer planting.
Alan : Fen Bilimleri ve Matematik; Mühendislik
Dergi Türü : Uluslararası
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