Cotton Science

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

MaXinyu, ZhuYueyi, ShiYiqi, ZhuShuijin, ZhaoTianlun

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 7 Effects of N-life on cotton yield traits
Table 8 Effects of N-life on cotton fiber quality index
Table 3 Treatments of the pot experiment in greenhouse
Fig. 2 Effects of N-life on MDA content and NR activity of cotton leaves at different developmental stagesS1, 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
Fig. 1 Effects of N-life on SOD, POD, and CAT activity of cotton leaves at different developmental stagesS1, 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 2 Application levels of nitrogen and N-life in different treatments