TY  - JOUR
T1  - Effects of different levels of irrigation and nitrogen interactions on yield and water productivity in watermelon irrigated by drip method
TT  - Damla yöntemiyle sulanan karpuzda farklı seviyelerdeki sulama ve azot etkileşimlerinin verim ve su verimliliği üzerindeki etkileri
AU  - Kuşçu, Hayrettin
AU  - Arar, Hind
PY  - 2025
DA  - June
Y2  - 2025
DO  - 10.20479/bursauludagziraat.1574975
JF  - Bursa Uludağ Üniversitesi Ziraat Fakültesi Dergisi
JO  - Bursa Uludag Üniv. Ziraat Fak. Derg.
PB  - Bursa Uludağ Üniversitesi
WT  - DergiPark
SN  - 2651-4044
SP  - 55
EP  - 70
VL  - 39
IS  - 1
LA  - en
AB  - Water and nitrogen (N) are the main determinants affecting watermelon plants' vegetative and generative growth. This study aimed to determine the yield response and water-yield relationships of watermelon plants grown in Bursa ecological conditions and clay soils under different irrigation and N levels. Four irrigation levels (IR-100, IR-75, IR-50, and IR-25) and five N ratios (kg ha-1) (N0, N75, N150, N225 and N300) were considered as experimental treatments. In the study, a split-plot experimental design was used. While irrigation water was applied to thetreatments between 214 and 603 mm, actual crop evapotranspiration varied between 288 and 687 mm. Among the irrigation treatments, the IR-100 yielded the highest fruit yield. With the decrease in irrigation levels, the yield also decreased. Fruit yield, weight, and size increased to a N level of 225 kg ha-1 and decreased at higher levels. Irrigation and N interaction showed a statistically significant effect (p
KW  - Nitrogen
KW  - drip irrigation
KW  - yield components
KW  - irrigation programming
N2  - Su ve azot (N), karpuz bitkisinin vejetatif ve generatif gelişimini etkileyen temel belirleyicilerdir. Bu çalışmada, farklı sulama ve azot seviyeleri altında Bursa ekolojik koşullarında ve kil bünyeli topraklarlarda yetiştirilen karpuz bitkisinin verim tepkisi ve su-verim ilişkilerinin belirlenmesi amaçlanmıştır. Dört sulama seviyesi (IR-100, IR-75, IR-50 ve IR-25) ve beş nitrogen oranı (N, kg ha-1) (N0, N75, N150, N225 ve N300) deneme konusu olarak ele alınmıştır. Araştırmada, bölünmüş parseller deneme deseni kullanılmıştır. Deneme konularına 214 ile 603 mm arasında sulama suyu uygulanırken bitki su tüketimi 288 ile 687 mm arasında değişiklik göstermiştir. En yüksek meyve verimi, IR-100 konusundan elde edilmiştir. Sulama seviyelerindeki azalmayla birlikte verim de azalmıştır. Meyve verimi, fruit weight and fruit size 225 kg ha-1 azot seviyesine kadar artış göstermiş daha yüksek seviyelerde azalmıştır. Meyve verimi ve verim bileşenleri, sulama ve azot interaksiyonundan önemli (p
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UR  - https://doi.org/10.20479/bursauludagziraat.1574975
L1  - https://dergipark.org.tr/tr/download/article-file/4320953
ER  -