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1 施氮对血橙枝梢养分吸收的影响
Table 1 Effects of nitrogen application on nutrient uptake of blood orange shoots
枝梢类型
Shoot type
处理
Treatment
叶片Leaves (g/plant) 枝条Twigs (g/plant)
N P2O5 K2O N P2O5 K2O
春梢
Spring shoot
N0 40.39±7.14c 5.42±0.88c 16.90±2.02c 4.26±0.31c 0.97±0.11c 2.00±0.39c
N1 59.55±6.42b 7.83±0.38b 26.28±3.26b 5.08±0.82c 1.35±0.11b 3.03±0.43b
N2 81.81±9.93a 9.20±0.77a 25.97±2.64b 6.71±0.63b 1.44±0.07ab 3.50±0.12ab
N3 70.47±6.00ab 9.67±0.27a 36.20±3.61a 6.62±0.48b 1.55±0.15a 3.29±0.47ab
N4 72.79±5.75ab 9.61±0.92a 36.08±2.96a 7.12±0.30ab 1.62±0.10a 4.04±0.52a
N5 78.54±7.56a 9.29±0.83a 37.02±3.73a 7.86±0.55a 1.63±0.10a 3.76±0.41ab
秋梢
Autumn shoot
N0 18.97±1.85c 5.17±0.60c 12.66±0.61c 2.48±0.78c 0.98±0.11c 2.12±0.22b
N1 19.86±2.24c 3.67±0.30d 8.88±0.68d 2.92±0.19c 0.71±0.08d 1.50±0.14b
N2 22.61±2.20c 4.68±0.66cd 11.23±1.51cd 3.14±0.74c 0.80±0.12cd 2.07±0.48b
N3 33.49±3.34b 6.82±0.87b 16.98±1.89b 4.54±0.69b 1.30±0.09b 3.28±0.29a
N4 34.66±4.24b 7.75±0.56b 19.64±1.51a 4.66±0.79b 1.32±0.18b 3.59±0.51a
N5 46.88±2.68a 9.17±0.65a 20.14±1.93a 6.22±0.62a 1.60±0.19a 3.91±0.58a