分析马朗卡利萨里分区的百日咳浸润情况

Istika Nita, Priska Ayuningtyas, Sugeng Prijono, Aditya Nugraha Putra
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引用次数: 0

摘要

流域的水文条件会因土地用途的改变和不恰当的土地管理而下降。流域的功能之一是为农业区提供水源。随着农业用地面积的增加,往往会出现水供应问题,这对植物利用水的机会少有影响。渗透是水进入土壤的初始过程,因此水的可用性在很大程度上受这一过程的影响。卡利萨里分流域的农田都是旱地,以旱田为主。Kalisari 子流域面积为 ±5,000 公顷,分为 5 种土地用途,即红木-咖啡农林、松树-咖啡农林、灌丛、旱地和水田。渗透测量分布在 43 个测量点上,观测参数包括质地、容重、孔隙度、渗透性、集料稳定性和土壤有机质。所有土地用途的入渗速度都非常快(>25 厘米/小时-1),从 12.00 厘米/小时-1 到 74.37 厘米/小时-1 不等。所有土地用途的入渗率差异不大;这与土壤特性相符,包括质地、容重(0.61-1.02 克厘米-3)、孔隙度(51.02-68.06%)、渗透性(4.88-6.79 厘米-小时-1)、集料稳定性(2.11-3.34 毫米)和有机质(1.61-4.06%)。然而,研究地点的渗透率与粘土(r = -0.77)、砂土(r = 0.64)、淤泥(r = 0.52)和土壤有机质(r = 0.48)有显著关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ANALISIS KAPASITAS INFILTRASI LAHAN PERTANIAN DI SUB DAS KALISARI, MALANG
Watershed hydrological conditions can decrease due to changes in land use and inappropriate land management. One of the watershed functions is providing water availability for agricultural areas. Along with the increasing area of agricultural land, there is often the issue of water availability, which has implications for the low opportunity for plants to use it. Infiltration is the initial process of water entry into the soil, so the availability of water is greatly influenced by this process. Agricultural land in the Kalisari sub-watershed is dry land and is dominated by dry fields. The area of the Kalisari sub-watershed has an area of ±5,000 ha divided into 5 land uses, namely mahogany-coffee agroforestry, pine-coffee agroforestry, scrub, dry land, and paddy fields. Infiltration measurements were spread over 43 measurement points, with the observed parameters being texture, bulk density, porosity, permeability, aggregate stability, and soil organic matter. The infiltration rate for all land uses is very fast (>25 cm hour-1), ranging from 12.00 cm hour-1 to 74.37 cm hour-1. The infiltration rate for all land uses was not significantly different; this was in line with soil properties, which included texture, bulk density (0.61-1.02 g cm-3), porosity (51.02-68.06%), permeability (4.88–6.79 cm hour-1), aggregate stability (2.11–3.34 mm), and organic matter (1.61-4.06%). However, the infiltration rate at the study site had a significant relationship with clay (r = -0.77), sand (r = 0.64), silt (r = 0.52) and soil organic matter   (r = 0.48).
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