三峡重庆库区施氮水平对塔罗科血橙树体养分、产量品质及土壤理化性质的影响

杨江波,张绩,李俊杰,郑永强,吕强,谢让金,马岩岩,邓烈,何绍兰,易时来

Effects of Nitrogen Application Levels on Nutrient, Yield and Quality of Tarocco Blood Orange and Soil Physicochemical Properties in the Three Gorges Area of Chongqing

YANG JiangBo,ZHANG Ji,LI JunJie,ZHENG YongQiang,LÜ Qiang,XIE RangJin,MA YanYan,DENG Lie,HE ShaoLan,YI ShiLai

表6 施氮对血橙果面颜色的影响

Table 6 Effects of nitrogen application on color of blood orange fruit surface

处理 Treatment L a b a/b N0 65.08±0.61a 25.45±0.33c 34.97±0.44a 0.73±0.02d N1 59.66±1.54d 27.81±0.26ab 32.35±0.30cd 0.86±0.02b N2 61.13±0.44cd 27.38±0.57b 32.91±1.38bc 0.83±0.05bc N3 61.97±0.90bc 28.83±0.72a 31.26±1.03d 0.93±0.05a N4 62.02±1.79bc 27.82±0.99ab 32.95±0.60bc 0.84±0.04bc N5 64.04±1.34ab 27.23±0.70b 34.39±0.95ab 0.79±0.03cd