Effect of Sugarcane Litter Compost on Soil Compaction

Iqbal Iqbal
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引用次数: 2

Abstract

Intensive agricultural land use tends to reduce the content of organic matter in soil. Organic content in the soil affects the soil's ability to bind water and the efficiency of fertilizer absorption by plants. It’s as well as an important source of nutrients for plants. Therefore, the addition of organic matter in the form of compost (from sugarcane litter) is very important for maintaining the productivity of agricultural land. Use of compost as organic fertilizer on agricultural land is expected to contribute in improving soil structure and increased the production. The aims of the research are to analyze the effect of compost on the physical and mechanical properties of soil and growth of sugarcane (ratoon). The study was conducted on the sugarcane plantations dry land by measuring the physical and mechanical properties of the soil before and after treatment. Parameters measured include: organic matter content, soil moisture content, bulk density and penetration resistance. The data collection of sugarcane growth and soil fertility is done at 4th months old sugarcane (ratoon). The results showed the application of compost increases levels of organic C and N respectively 8% and 21% within 4 months. The use of compost has positive effect on physical and mechanical properties of the soil. It’s indicated by bulk density values were decreased (treatment 15 tons/ha of 1:32 g/cc at baseline to 1.1 g/cc at the final of the study). The average growth of sugarcane with compost is better than without the compost on high growth aspect (53.7 cm vs. 51.1 cm) and larger trunk diameter (1.4 cm vs. 1.0 cm).
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甘蔗凋落物堆肥对土壤压实的影响
集约化农业用地会降低土壤有机质含量。土壤中的有机含量影响土壤对水分的束缚能力和植物对肥料的吸收效率。它也是植物重要的营养来源。因此,以堆肥形式添加有机物(来自甘蔗凋落物)对于保持农业用地的生产力非常重要。在农业用地上使用堆肥作为有机肥有望改善土壤结构,提高产量。本研究的目的是分析堆肥对土壤物理力学特性和甘蔗生长的影响。以甘蔗人工林旱地为研究对象,测定了处理前后土壤的物理力学性质。测量参数包括:有机质含量、土壤含水量、容重和抗渗透能力。甘蔗生长和土壤肥力的数据采集在甘蔗生长4个月时进行。结果表明,施用堆肥4个月内有机碳、氮含量分别提高8%和21%。堆肥的使用对土壤的物理和机械特性有积极的影响。从堆积密度值可以看出,处理15吨/公顷时的初始浓度为1:32 g/cc,研究结束时为1.1 g/cc。在高长生向(53.7 cm vs. 51.1 cm)和大干径(1.4 cm vs. 1.0 cm)上,施用堆肥的甘蔗平均长势优于未施用堆肥的甘蔗。
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2
审稿时长
6 weeks
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