Effects of a Preparation Containing Amino Acids on Pakchoi Nutrient Absorption, Yield, and Quality When Grown in Saline-Alkali Soil
Abstract
:1. Introduction
2. Materials and Methods
2.1. Test Materials
2.2. Experimental Design
2.3. Sampling and Analytical Methods
2.4. Statistical Analysis
3. Results
3.1. Fresh Yield
3.2. Photosynthetic Performance
3.3. Shoot Quality
3.4. Nutrient Accumulation in the Shoot
3.5. Fertiliser Use Efficiency
4. Discussion
4.1. The Preparation Alleviated the Inhibiting Effect of Saline-Alkali Stress on Pakchoi Nutrient Uptake
4.2. The Preparation Achieved a Yield-Increasing Effect Equivalent to 20% Fertiliser Use in the Latter Crops
4.3. The Preparation Reduced the Nitrate Content in the Shoots
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Treatment | Abbreviation | Nutrient Input (g kg−1) | ||
---|---|---|---|---|
N | P2O5 | K2O | ||
No fertiliser | CK | — | — | — |
Preparation | T | 0.003 | — | 0.001 |
Water-soluble fertiliser | F | 0.070 | 0.035 | 0.018 |
F + T | FT | 0.073 | 0.035 | 0.018 |
80% F | 80% F | 0.056 | 0.028 | 0.014 |
80% F + T | 80% FT | 0.059 | 0.029 | 0.015 |
Parameter | Treatment | 1st Crop | 2nd Crop | 3rd Crop |
---|---|---|---|---|
Leaf area (cm2) | CK | 29.50 ± 7.52 c | 36.30 ± 5.85 c | 20.26 ± 1.28 e |
T | 34.75 ± 7.86 bc | 39.55 ± 2.24 bc | 27.97 ± 2.98 d | |
F | 44.29 ± 15.25 ab | 43.97 ± 6.41 ab | 43.64 ± 1.25 a | |
FT | 53.32 ± 10.25 a | 45.35 ± 4.31 a | 44.26 ± 2.86 a | |
80% F | 33.57 ± 5.52 bc | 40.88 ± 2.40 b | 36.94 ± 0.98 c | |
80% FT | 44.90 ± 8.89 ab | 42.12 ± 5.91 ab | 40.34 ± 1.36 b | |
SPAD value | CK | 42.15 ± 0.80 c | 34.80 ± 3.14 d | 36.41 ± 2.50 b |
T | 45.05 ± 1.98 abc | 39.55 ± 3.19 c | 40.29 ± 2.34 ab | |
F | 45.10 ± 2.25 abc | 43.97 ± 1.21 ab | 41.33 ± 4.44 ab | |
FT | 46.85 ± 2.13 a | 45.35 ± 3.11 a | 43.73 ± 3.73 a | |
80% F | 43.03 ± 1.49 bc | 40.88 ± 2.21 bc | 40.60 ± 2.33 ab | |
80% FT | 45.95 ± 3.08 ab | 43.62 ± 0.71 ab | 40.85 ± 2.53 ab |
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Xu, M.; Yuan, L.; Zhang, S.; Li, Y.; Zhao, B. Effects of a Preparation Containing Amino Acids on Pakchoi Nutrient Absorption, Yield, and Quality When Grown in Saline-Alkali Soil. Agriculture 2023, 13, 863. https://doi.org/10.3390/agriculture13040863
Xu M, Yuan L, Zhang S, Li Y, Zhao B. Effects of a Preparation Containing Amino Acids on Pakchoi Nutrient Absorption, Yield, and Quality When Grown in Saline-Alkali Soil. Agriculture. 2023; 13(4):863. https://doi.org/10.3390/agriculture13040863
Chicago/Turabian StyleXu, Meng, Liang Yuan, Shuiqin Zhang, Yanting Li, and Bingqiang Zhao. 2023. "Effects of a Preparation Containing Amino Acids on Pakchoi Nutrient Absorption, Yield, and Quality When Grown in Saline-Alkali Soil" Agriculture 13, no. 4: 863. https://doi.org/10.3390/agriculture13040863