Effects of combined application of soil conditioners and organic fertilizer on soil improvement and pepper yield in mountain

doi:10.16178/j.issn.0528-9017.20250351

Abstract

Abstract:

To address the problem of soil acidification in mountain vegetable production，this study used organic fertilizer alone as the control and selected four widely used new soil conditioners，setting up five treatments to explore the effects of different conditioners combined with organic fertilizer on soil improvement and pepper yield. The results showed that T1（750 kg·hm^-2 formula fertilizer + 15 000 kg·hm^-2 organic fertilizer，combined with 1 500 kg·hm^-2 soil conditioner 1）and T4（750 kg·hm^-2 formula fertilizer +6 000 kg·hm^-2 soil conditioner 4） treatments significantly （p<0.05）increased soil pH value. Compared with CK，pH value of T1 and T4 treatments increased by 0.55 and 0.38，respectively，and T1 treatment had the best effect. Compared with CK，T2 （750 kg·hm^-2 formula fertilizer + 15 000 kg·hm^-2 organic fertilizer，combined with 1 500 kg·hm^-2 soil conditioner 2）and T4 treatments significantly increased soil available phosphorus content，and T4 treatment showed the best effect. In general， T1 and T4 treatments could maintain pepper yield，and effectively ameliorate acidic soil，thus serving as effective formulas for acidification improvement and sustained nutrient supply in acidic vegetable soils.

Key words: mountain vegetable, organic fertilizer, soil conditioner, soil acidification, pepper

CLC Number:

S156

CHEN Xiaoping, CAO Xuexian. Effects of combined application of soil conditioners and organic fertilizer on soil improvement and pepper yield in mountain[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(9): 2318-2322.

Figures/Tables 7

Table 1 Overview of the tested soil conditioners

土壤调理剂编号	生产企业	主要原料	主要成分及其含量	肥料登记证号	pH值
1	西部环保有限公司	电石渣、菱镁矿	CaO≥30.0%；MgO≥8.0%；SiO₂≥4.0%	农肥（2018）准字10391号	11.0～13.0
2	安徽农巧施农业科技有限公司	石灰石、钾长石	CaO≥25.0%；SiO₂≥12.0%	农肥（2021）准字17502号	8.5～10.5
3	浙江丰瑜生态科技股份有限公司	石灰石	CaO≥30.0%	农肥（2021）准字17909号	9.0～11.0
4	浙江丰瑜生态科技股份有限公司	白云石	CaO≥15.0%；MgO≥8.0%；有机质≥20.0%	农肥（2020）准字16042号	9.0～11.0

Fig.1 Soil pH value of acidified vegetable fields under treatments with different soil conditioner applications combined with organic fertilizer

Fig.2 Organic matter content in acidified vegetable fields under treatments with different soil conditioner applications combined with organic fertilizer

Fig.3 Contents of ammonium nitrogen，nitrate nitrogen and readily available nitrogen in acidified vegetable fields under treatments with different soil conditioner applications combined with organic fertilizer

Fig.4 Available phosphorus content in acidified vegetable fields under treatments with different soil conditioner applications combined with organic fertilizer

Fig.5 Available potassium content in acidified vegetable fields under treatments with different soil conditioner applications combined with organic fertilizer

Fig.6 Pepper yield under treatments with different soil conditioner applications combined with organic fertilizer

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