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UTJECAJ SUSTAVA PROIZVODNJE I MIKORIZE NA PRINOS PORILUKA

INTENZITET PLODONOŠENJA SORATA KRASTAVACA ZA PRERADU U ZAVISNOSTI OD NAČINA UZGOJA

RESEARCH ON THE CONTROL OF MAJOR TOMATO CROP PATHOGENS AND PESTS

RESEARCH ON LOSSES OF POTATO INTENDED FOR PROCESSING DURING STORAGE

UTJECAJ RAZLIČITO PROIZVEDENIH PRESADNICA NA PRINOS BATATA [Ipomoea batatas L. (Lam.)]

ZLATNA KRUMPIROVA CISTOLIKA NEMATODA (Globodera rostochiensis Woll.) U HRVATSKOJ

POTROŠNJA VODE I MAKROELEMENATA U HIDROPONSKOM UZGOJU RAJČICE

UTJECAJ DUŠIKA I METODE GNOJIDBE NA PRINOS PAPRIKE (Capsicum annuum L. var. grossum)

RESEARCH ON SOME SEEDLING PRODUCTION PARAMETERS OF BRASSICA AND FLOWER CULTURES BRED IN FLOATING-TRAY SYSTEM

VEGETABLE SEED HYDRATION TREATMENT - POSSIBILITIES AND RISKS

DOZIRANJE VODE KORISTEĆI KOEFICIJENT NAVODNJAVANJA

ODABIR SORATA KUPUSA ZA KISELJENJE ZA ŽUPANIJSKU ROBNU MARKU "LAKTEC"

EFFECT OF ROW COVERS AND BLACK PLASTIC MULCH ON THE YIELD OF DETERMINATE TOMATOES

MASS LOSSES OF POTATO INTENDED FOR PROCESSING DUE TO PHYSIOLOGICAL PROCESSES

RESEARCH ON THE INFLUENCE OF EXPLANT TYPE AND VARIETY ON IN VITRO MULTIPLICATION IN LETTUCE

RESEARCH ON THE WATER REGIME OF TOMATOES CULTIVATED IN SOLARIUMS

UTJECAJ VOLUMENA LONČIĆA, MIKORIZE I STAROSTI PRESADNICA NA RAST I RAZVOJ PRESADNICA LUBENICA

DINAMIKA PLODONOŠENJA RAJČICE U HIDROPONSKOM UZGOJU

UTJECAJ VOLUMENA SUPSTRATA NA KOMPONENTE PRINOSA RAJČICE U HIDROPONSKOM UZGOJU

CRVENICE ISTRE KAO SUPSTRAT ZA POVRĆARSKU PROIZVODNJU

UTJECAJ GIBERELINSKE KISELINE (GA3) NA KOMPONENTE PRINOSA ARTIČOKE

EFFECTS OF NITROGEN RATES ON THE YIELD AND QUALITY OF ENDIVE (Cichorium endivia L.) IN TURKEY

INFLUENCE OF NITROGEN FERTILIZATION ON THE BACTERIA AND VEGETABLE SEED SYMBIOSIS

SEED BACTERIZATION IN RELATION TO THE RATES AND THE DIFFERENT METHODS OF FERTILIZER APPLICATION TO VEGETABLE SEED CROPS

FERTILIZATION OF BEAN SEED CULTURES WITH MACRO- AND MICRO- ELEMENTS APPLIED ON THE SOIL AND FOLIARLY

INFLUENCE OF WHITE FLEECE ON THE YIELD FORMATION OF EARLY POTATOES

INVESTIGATION OF THE EFFECT OF MALT AND PLANT EXTRACTS ON DIFFERENT PLANT PATHOGENS

ADAPTABILNOST NEKIH NJEMAČKIH I MAĐARSKIH SORATA KRUMPIRA NA RAZLIČITIM LOKACIJAMA U HRVATSKOJ

YELLOW STICKY TRAPS AS A TOOL FOR CONTROLING CABBAGE WHITEFLY (ALEYRODES PROLETELLA L.) ON BRUSSELS SPROUTS

PREZENTIRANI I OBJAVLJENI RADOVI iZ POVRĆARSTVA
pošalji upit
Zbornik sažetaka 39. znanstvenog skupa hrvatskih agronoma 2004. godine - OPATIJA
EFFECTS OF DIFFERENT NITROGEN RATES ON THE YIELD AND QUALITY OF CELERY (Apium graveolens var. L. dulce) IN TURKEY

M Kadri BOZOKALFA1, Dursun EŞIYOK1, Bülent YAGMUR2, Atnan UGUR1

1Department of Horticulture, Faculty of Agriculture University of Ege 351000 Bornova/Izmir Turkey (contact e-mail: bozokalfa@ziraat.ege.edu.tr)
2Department of Soil Science, Faculty of Agriculture University of Ege 351000 Bornova/Izmir Turkey

Introduction

Turkey has a suitable ecological condition for vegetable production. According to the statistics Turkey's vegetable production is 22 357 612 ton. Celery is widely grown in Ege Region nearly 20 000 ton total productions. Mainly celeriac grown in Turkey. Celery has a small and rosette stem and nearly 60 cm plant height. Nonnecke (1989) petiole length changed fertilizer rate in soil, water and temperature. Yield of celery depend on leaf number and petiole length. These factor affect low and high weather temperature, very high and low temperatures inhibits leaf growth and reduces leaf quality Long day condition reduced leaf number and affect longer petiole length. Growing condition, mechanization, consumer preference affect on plant density. Plant density 30-75 cm between rows and 12-25 cm within rows were recommended (17). In another study 75-90 cm between row spacing to mechanical growing and 45-60 cm for manual production advised. Fresh market celery yield increased as within row spacing decreased from 81-61 cm. Primarily studies reported that fresh and processing celery yield increased as within row spacing decreased from 30.5 to 10 cm. At high plant densities, a reduction celery quality may occur, resulting in a reduced grade and price. High plant density, competition for light, moisture and nutrient may sufficiently restrict root and shoot growth resulting in smaller stalk or reduced quality. To produce fresh, firmness leaf and petiole recommended; deep, good drained, rich organic manure and pH 6.5-7.5 soil. In the celery cultivation 325 kg N/ha 140 kg/ha P2O5 and 120 kg/ha K2O use. Although to get 60-70 ton/ha celery yield 214 kg/ha N, 80 kg/ha P2O5 and 70 kg/ha K2O fertilizer use and to care degree of Mg, B, Ca. Determination harvest stage of celery mainly uses plant height, and vegetation period delaying the harvest increased the yield.

Material and methods

The experiments were conducted in the Experimental Fields of Faculty of Agriculture, Ege University in 2002. In the experiment Tall Utah Claret were used. The experimental design was randomly block using tree replication. The research was carried out 0-75-150-225-300 kg/ha (N) nitrogen fertilizer on yield, quality of celery. Celery seed were sown 20 July 2002 in wooden boxes. After the germination seedling transplanted into 45 ml volume and filled torf and perlite (1:1) mixtures in polystyrene multicell. The celery seedling transplanted into the soil. During the study cultural treatment were applied as to Vural et al (2000). In the experiment 150 kg P2O5 and K2O fertilizer were entirely incorporated to soil preplanting under disc-harrow. Soil samples were analyzed according to the international rules. Plant height, leaf number, plant height, petiole length, stalk diameter and dry weight were determined randomly chosen plants in every plot. The data were evaluated using TARIST Statistical Package Program.

Table 1. Some physical and chemical properties of the experimental soil.

Sand %Silt %Clay %TexturepHSoluble salt %Org mat. %CaCo3Total N
60.925.7233.36SCL7.340.0592.063.600.100
P mg kg-!K mg kg-!Ca mg kg-!Mg mg kg-!Na mg kg-!Fe mg kg-!Cu mg kg-!Zn mg kg-!Mn mg kg-!
3.240037505635524.600.9026

Results and discussion

Effects of nitrogen doses on yield and quality of celery were given table 1. Nitrogen doses significantly affected plant weight. The highest plant weight 334.60 g obtained from 300 kg/ha treatment. Increasing nitrogen doses also increased plant height. The highest plant height determined 38.49 cm from 300 kg/ha N dose and lowest 31.62 cm from control plant. Leaf number and petiole length are the most important factors to determine celery quality. Applying more nitrogen increased the marketable leaf number and petiole length. Marketable leaf number was changed between 4.25-8.43 per plant. The highest petiole length obtained from 300 kg N/ha treatment. Stem diameter increased due to the increase in leaf number and nitrogen application. Nitrogen application significantly influenced dry matter content. Dry matter content was changed between 11.61-12.33 %. The main reason for applying nitrogen is to increase the quality and yield. Nitrogen application was significantly influenced celery yield. Applying more nitrogen increased the yield. The highest yield 18580.7 kg/ha obtained from 300 kg N/ha nitrogen application.

Table 2. Effect of nitrogen doses on quality of celery

Doses
(kg N/ha)
Plant weight
(g/plant)
Plant height
(cm)
Marketable leaf
number (number/plant)
Petiole
length (cm)
Stalk diameter
(mm)
Dry matter
(%)
0204.3731.624.2512.3335.0011.96
75237.5032.186.0514.4538.0011.95
150240.8633.006.0214.6240.1211.99
225252.5034.126.1214.7541.0612.33
300334.6038.498.4315.3745.4511.61
LSD30.24**4.52**1.86**1.14**4.98**0.91**

Figure 1. Effect of nitrogen doses on yield of celery


Conclusion

In the research the effect of nitrogen doses on yield and quality of celery in Turkey condition was determined. Nitrogen application was found to have beneficial effects on yield and quality. The results for plant height were similar to some previous research results. Applying nitrogen linearly increased the celery yield. The highest yield obtained from 300 kg/ha (18580.7 kg/ha) but this value is lower than previous research, because of the high weather temperature especially during the plant grown. Increasing nitrogen doses affected plant weight, stalk diameter and dry matter content.

References

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