哈兹顿水田种植下的土壤质量状况:以印度尼西亚Banyumas县为例

IF 0.5 Q4 AGRONOMY Sains Tanah Pub Date : 2022-07-01 DOI:10.20961/stjssa.v19i2.58375
Supriyadi Supriyadi, Reni Ustiatik, Brilliant Mukti, S. Minardi, H. Widijanto, M. B. G. Sakti
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引用次数: 0

摘要

土壤质量是土壤发挥其功能的能力,例如为植物提供营养。然而,集约化水田耕作,如Hazton的水田耕作方法,被怀疑会恶化土壤质量状况,降低土地的可持续性。本研究旨在分析哈兹顿稻作土壤质量。本研究采用随机区组设计,采用常规对照法,2)哈兹顿法+有机肥,3)哈兹顿法+有机肥+分解剂,4)哈兹顿法+有机肥+分解剂+叶肥。根据最小数据集(MDS)确定土壤质量,最小数据集包括有机C、pH、全氮、速效磷(P)和钾(K)、碱饱和度(BS)、阳离子交换容量(CEC)、细菌密度、土壤呼吸和C/N比。利用土壤质量指数公式对MDS进行评分和计算,然后从非常低到非常高(<0.19-1)进行分类。本研究强调,Banyumas县采用Hazton方法的水田土壤质量范围从低(0.444)到极低(0.308)。施用有机肥不足以补充与收获的植物生物量相等的养分池。这导致土壤质量恶化,影响土地的可持续性。因此,在今后的研究中应将产量和生物量产量作为土壤质量指标。此外,可以通过不断评估土壤质量来避免进一步的土壤退化,并可以采取必要的保护措施来防止和尽量减少进一步的土地退化。
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Soil quality status under Hazton’s paddy farming: A case study in Banyumas Regency, Indonesia
Soil quality is the ability of the soil to perform its function, such as providing nourishment to the plants. However, intensive paddy farming, such as Hazton’s paddy farming method, is suspected to deteriorate soil quality status and degrade land sustainability. This study aimed to analyze soil quality under Hazton’s paddy farming. This study was conducted on paddy fields in Banyumas Regency using a randomized block design with treatment consisting of 1) conventional method as a control, 2) Hazton’s method + organic fertilizer, 3) Hazton’s method + organic fertilizer + decomposer, and 4) Hazton’s method + organic fertilizer + decomposer + leaf fertilizer. Soil quality was determined according to a minimum data set (MDS) that consisted of organic C, pH, total N, available phosphorus (P) and potassium (K), base saturation (BS), cation exchange capacity (CEC), bacterial density, soil respiration, and C/N ratio. The MDS was scored and calculated using the soil quality index formula and then classified from very low to very high (<0.19-1). This study highlighted that the soil quality in paddy farm using Hazton’s method in Banyumas Regency ranged from low (0.444) to very low (0.308). The application of organic fertilizer is not sufficient enough to refill the nutrient pool equal to harvested plant biomass. This leads to soil quality deterioration and affects land sustainability. Therefore, yield and biomass production should be included as soil quality indicators in future studies. Additionally, further soil degradation can be avoided by continuously assessing soil quality and the necessary conservation measures for preventing and minimizing further land degradation can be applied.
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Sains Tanah
Sains Tanah Environmental Science-Pollution
CiteScore
1.90
自引率
0.00%
发文量
16
审稿时长
8 weeks
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