Effects of compound fertilizer combined with different soil amendments on corn growth and coastal saline-alkali soil improvement

doi:10.16178/j.issn.0528-9017.20250103

Abstract

Abstract:

To improve the physicochemical properties of coastal saline-alkali soil and enhance the quality of arable land in Hebei Province, this study focused on the coastal saline-alkali soil in Tangshan City, Hebei Province. Through field experiments, the effects of compound fertilizer combined with different soil amendments on corn growth and saline-alkali soil improvement were investigated. The experiment included seven treatments: a control group (CK) and six treatments with varying amounts of soil amendments. Changes in corn agronomic traits, soil salinity, pH value, and soil nutrient content were analyzed. The results showed that the application of compound fertilizer combined with soil amendments effectively reduced soil salinity, regulated pH value, increased soil nutrient content, and promoted corn growth and yield. The effects of different soil amendments varied, with 600 kg·hm^-2 of conventional compound fertilizer combined with 375 kg·hm^-2 of Liangtianbao showing the best overall performance, making it suitable for promotion and application in coastal saline-alkali soils in Hebei Province. This study provides a scientific basis and practical reference for saline-alkali soil improvement and sustainable agricultural development.

Key words: soil amendment, coastal saline-alkali soil, corn, soil nutrient

CLC Number:

S156.4

CHEN Yue, XUE Zhizhong, FENG Wei, MENG Ran, WU Zhe, LU Xuelin. Effects of compound fertilizer combined with different soil amendments on corn growth and coastal saline-alkali soil improvement[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(1): 211-215.

Figures/Tables 3

References 21

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处理	株高/cm	穗高/cm	穗长/cm	穗粗/cm	百粒重/g	轴粗/cm	穗粒数	穗粒重/g	产量/kg
CK	185.10	72.50	16.24	4.72	34.30	3.01	396.25	133.92	8.07
处理1	190.70	83.25	17.20	4.87	36.62	3.05	424.20	154.29	11.90
处理2	210.25	90.45	16.70	4.71	34.45	3.04	391.50	135.37	9.66
处理3	191.15	83.15	16.87	4.81	35.01	3.08	413.20	142.45	11.12
处理4	201.55	88.10	16.70	4.75	36.08	3.07	411.65	148.74	11.60
处理5	194.25	79.90	16.52	4.80	33.39	3.04	397.40	133.34	7.71
处理6	198.50	80.75	16.95	4.82	34.31	3.09	410.35	144.83	8.92

处理	株高/cm	穗高/cm	穗长/cm	穗粗/cm	百粒重/g	轴粗/cm	穗粒数	穗粒重/g	产量/kg
CK	185.10	72.50	16.24	4.72	34.30	3.01	396.25	133.92	8.07
处理1	190.70	83.25	17.20	4.87	36.62	3.05	424.20	154.29	11.90
处理2	210.25	90.45	16.70	4.71	34.45	3.04	391.50	135.37	9.66
处理3	191.15	83.15	16.87	4.81	35.01	3.08	413.20	142.45	11.12
处理4	201.55	88.10	16.70	4.75	36.08	3.07	411.65	148.74	11.60
处理5	194.25	79.90	16.52	4.80	33.39	3.04	397.40	133.34	7.71
处理6	198.50	80.75	16.95	4.82	34.31	3.09	410.35	144.83	8.92

处理	土壤含盐量相对降低率/%	土壤pH值
CK	24.0	7.48
处理1	79.0	7.60
处理2	78.1	7.54
处理3	61.4	6.06
处理4	68.6	7.50
处理5	44.9	7.31
处理6	63.6	7.41

处理	土壤含盐量相对降低率/%	土壤pH值
CK	24.0	7.48
处理1	79.0	7.60
处理2	78.1	7.54
处理3	61.4	6.06
处理4	68.6	7.50
处理5	44.9	7.31
处理6	63.6	7.41

处理	碱解氮含量/ (mg·kg^-1)	速效磷含量/ (mg·kg^-1)	速效钾含量/ (mg·kg^-1)	有机质含量/ (g·kg^-1)
CK	60.18 a	64.86 c	192.16 c	12.66 b
处理1	60.39 a	72.78 ab	207.45 a	13.60 ab
处理2	62.47 a	75.92 a	198.92 b	14.01 ab
处理3	63.09 a	69.06 bc	204.63 a	14.06 ab
处理4	63.76 a	70.07 abc	207.14 a	13.17 ab
处理5	63.07 a	70.50 abc	202.10 ab	14.92 a
处理6	63.92 a	68.21 bc	204.82 a	14.18 ab