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5 施氮对血橙果实内在品质的影响

Table 5 Effects of nitrogen application on fruit intrinsic quality of blood orange

处理 Treatment 可溶性固形物 TSS (%) 可滴定酸 TA (%) 固酸比 TSS/TA N0 10.83±0.50a 0.71±0.02b 15.21±0.40a N1 11.07±0.21a 0.77±0.04ab 14.39±0.56a N2 11.20±0.36a 0.82±0.12a 13.60±0.40ab N3 11.27±0.25a 0.80±0.02ab 14.03±0.50ab N4 10.73±0.23a 0.83±0.05a 12.97±0.19b N5 10.67±0.55a 0.85±0.02a 12.57±0.04b