Cotton Science

Effects of N-life on the physiological characteristics, nitrogen use efficiency, lint yield, and fiber quality of cotton

Ma Xinyu, Zhu Yueyi, Shi Yiqi, Zhu Shuijin, Zhao Tianlun

Cotton Science, 2023, 35(5): 398-411. DOI: 10.11963/cs20230029

年份 Year	硝态氮含量 Nitrate nitrogen content/(mg·kg^-1)	铵态氮含量 Ammonium nitrogen content/(mg·kg^-1)	总氮含量 Total nitrogen content/(g·kg^-1)	有效磷含量 Available phosphorus content/(mg·kg^-1)	速效钾含量 Available potassium content/(mg·kg^-1)
2021	24.1	32.9	1.7	70.2	136.7
2022	26.0	35.4	1.9	67.3	128.9

Table 1 The original soil-fertility in the experimental field

Other figure/table from this article

Table 2 Application levels of nitrogen and N-life in different treatments
Table 3 Treatments of the pot experiment in greenhouse
Fig. 1 Effects of N-life on SOD, POD, and CAT activity of cotton leaves at different developmental stages S1, S2, and S3 represent the seedling stage, flowering and boll stage, and boll opening stage, respectively. * represents significant difference (P < 0.05); ** represents extremely significant difference (P < 0.01).
Fig. 2 Effects of N-life on MDA content and NR activity of cotton leaves at different developmental stages S1, S2, and S3 represent the seedling stage, flowering and boll stage, and boll opening stage, respectively. * represents significant difference (P < 0.05); ** represents extremely significant difference (P < 0.01).
Table 4 Effects of N-life on photosynthetic indicators of cotton leaves at different growth stages
Table 5 Effects of N-life on the nitrogen use efficiency of cotton
Table 6 Effects of N-life on cotton agronomic traits
Table 7 Effects of N-life on cotton yield traits
Table 8 Effects of N-life on cotton fiber quality index