Effects of Different Amendments on Yield and Nutrient Uptake of Winter Wheat and Soil Nutrients

doi:10.11924/j.issn.1000-6850.casb2025-0792

Abstract

Abstract:

The aim is to investigate the effects of different soil amendments on winter wheat biomass, grain yield, N-P-K uptake and soil nutrient status, so as to provide technical support for improving both the quality and productivity of winter wheat grown in saline-alkaline soils. A field experiment was conducted in 2025 in Tacheng City, Xinjiang. Under identical field-management practices, 6 amendment treatments were established: no amendment (CK), organic fertilizer (OF), humic acid (HA), microbial fertilizer (MF), flue-gas desulfurized gypsum (FGD), and microbial fertilizer+flue-gas desulfurized gypsum (MF+FGD). Grain yield, nutrient uptake and soil chemical properties were measured. The results showed that: compared with CK, all amendment treatments increased grain yield, dry-matter accumulation and N-P-K uptake. The highest yield (9.05% greater than CK, P<0.05) was recorded under FGD. Soil pH declined in every amended plot, and total soluble salts also decreased except in the FGD treatment. Soil organic-matter content was enhanced by OF, HA and MF. In summary, the application of soil amendments increased winter wheat yield and N-P-K uptake while simultaneously ameliorating soil conditions.

Key words: amendment, winter wheat, yield, soil salinization

LI Yali, LU Guoliang, WU Zhenghu, GUO Fei, ZHANG Xisheng, LIU An. Effects of Different Amendments on Yield and Nutrient Uptake of Winter Wheat and Soil Nutrients[J]. Chinese Agricultural Science Bulletin, 2026, 42(2): 128-132.

Figures/Tables 8

References 20

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不同处理	用量
有机肥(OF)	2000
腐殖酸(HA)	1500
生物菌肥(MF)	3000
脱硫石膏(FGD)	2000
生物菌肥+脱硫石膏(MF+FGD)	1500+1000

不同处理	用量
有机肥(OF)	2000
腐殖酸(HA)	1500
生物菌肥(MF)	3000
脱硫石膏(FGD)	2000
生物菌肥+脱硫石膏(MF+FGD)	1500+1000

不同处理	pH	总盐/(g/kg)	有机质OM/(g/kg)	氯离子Cl^-/(g/kg)	硫酸根SO₄^2-/(g/kg)	钙离子Ca⁺/(g/kg)	钠离子Na⁺/(g/kg)
OF	8.31	2.53	36.90	0.25	0.88	0.22	0.08
HA	8.29	2.57	37.90	0.19	1.01	0.20	0.06
MF	8.31	2.00	36.47	0.17	0.90	0.15	0.06
FGD	8.02	4.03	31.50	0.18	4.41	1.72	0.09
MF+FGD	8.08	3.17	33.90	0.25	1.88	0.32	0.07
CK	8.32	3.73	35.87	0.31	1.05	0.23	0.06

不同处理	pH	总盐/(g/kg)	有机质OM/(g/kg)	氯离子Cl^-/(g/kg)	硫酸根SO₄^2-/(g/kg)	钙离子Ca⁺/(g/kg)	钠离子Na⁺/(g/kg)
OF	8.31	2.53	36.90	0.25	0.88	0.22	0.08
HA	8.29	2.57	37.90	0.19	1.01	0.20	0.06
MF	8.31	2.00	36.47	0.17	0.90	0.15	0.06
FGD	8.02	4.03	31.50	0.18	4.41	1.72	0.09
MF+FGD	8.08	3.17	33.90	0.25	1.88	0.32	0.07
CK	8.32	3.73	35.87	0.31	1.05	0.23	0.06