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4 施氮对血橙果实大小和果皮厚度的影响

Table 4 Effects of nitrogen application on fruit size and peel thickness of blood orange

处理 Treatment 纵径 Vertical diameter (mm) 横径 Transverse diameter (mm) 果形指数 Shape index 果皮厚度 Pericarp thickness (mm) N0 69.28±1.85c 71.50±2.46b 0.97±0.01a 2.88±0.33c N1 70.83±0.44bc 71.67±0.88b 0.99±0.03a 3.34±0.20bc N2 73.22±0.51b 73.50±1.09ab 1.00±0.03a 3.34±0.30bc N3 77.11±2.50a 76.50±1.42a 1.01±0.02a 3.74±0.30b N4 74.50±1.27b 74.00±2.00ab 1.01±0.03a 4.52±0.11a N5 73.89±1.59b 73.22±1.51b 1.01±0.01a 4.69±0.53a