Jhon Kevin Purba, Rama R. Sitinjak, N. Agustina, Julaili Irni
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摘要

该研究旨在分析油棕种植园蚯蚓的总体密度,以及萨朗Tungir street Namorambe村油棕寿命层的差异。使用的方法是用手抽样技术进行勘探(TBM)和第二站(TM)进行抽样技术勘探。对蚯蚓重要价值指数的数据分析使用了某些公式,而T.研究结果表明,棕榈油种植园的蚯蚓有三种类型:Pontoscolex corethrurus, feretina sp和Lumbricus。在pfeetina sp中发现的相对密度和重要值指数为36.09%,69.42%。然而在tmlex中有四种:Pontoscolex corethrurus, Pheretina sp, Lumbricus和微scolex。在Pontoscolex corethrurus中发现的相对密度和重要性指数是连续3056%和55.63%。在四岁的棕榈油种植园中,发现蚯蚓的密度更高。关键词:蚯蚓;Elaeis quineensis Jacq;油棕榈种植园油烟密度的地球蠕虫密度,自然区域的名称。使用的方法是在I站(TBM)和站二站(TM)用手排版技术研究方法。对地球上虫子的意义指数的数据分析使用了一个确定的公式,对不同的人使用了T测试。结果显示,TBM oil plantations中有三种地震类型:Pontoscolex corethrurus, Pheretina sp和Lumbricus。最重要的丹麦和意味指数发现在feetina sp, namely 36.09%和66.42%的尊敬。在TM中有4个types: Pontoscolex corethrurus, Pheretina sp., Lumbricus和微scolex。消化性和意味指数发现,在庞多斯科莱克斯corethrurus为30。56%和55.63%,尊敬。地球蠕虫的果实被发现在石油棕榈行星上上涨了4年。安装:Earthworm;Elaeis quineensis Jacq;密度
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Kepadatan Populasi Cacing Tanah pada Perkebunan Kelapa Sawit di Desa Salang Tungir Kecamatan Namorambe
Penelitian ini bertujuan untuk menganalisis kepadatan populasi cacing tanah di perkebunan kelapa sawit dengan perbedaannya pada strata umur kelapa sawit di Desa Salang Tungir Kecamatan Namorambe.Metode yang digunakan adalah metode survey dengan teknik pengambilan sampel cacing tanah secara hand sorting pada stasiun I (TBM) dan stasiun II (TM). Analisis data untuk kepadatan hingga indeks nilai penting cacing tanah digunakan rumus tertentu, dan untuk  perbedaan kepadatan digunakan uji T. Hasil penelitian menunjukkan bahwa cacing tanah di perkebunan kelapa sawit TBM terdapat 3 jenis: Pontoscolex corethrurus, Pheretina sp., dan Lumbricus. Kepadatan relatif dan indeks nilai penting yang tertinggi ditemukan pada Pheretina sp. yaitu 36,09% dan 69,42%. Sedangkan pada TMterdapat 4 jenis: Pontoscolex corethrurus, Pheretina sp., Lumbricus, dan Microscolex. Kepadatan relatif dan indeks nilai pentingnya ditemukan pada Pontoscolex corethrurus yaitu secara berurut 30,56% dan 55,63%. Nilai kepadatan cacing tanah ditemukan lebih tinggi pada perkebunan kelapa sawit yang berumur 4 tahun.Kata kunci: Cacing tanah; Elaeis quineensis Jacq; kepadatan Earthworm Population Density in Oil Palm Plantation inSalang Tungir Village, Namorambe District ABSTRACTThis study aims to analyze the population density of earthworms in oil palm plantations with the differences in the age strata of oil palm in Salang Tungir Village, Namorambe District. The method used is survey method with earthworm sampling technique by hand sorting at station I (TBM) and station II (TM). Analysis of data for density to index of significance of earthworms used a certain formula, and for differences in density used the T test. The results showed that there are 3 types of earthworms in TBM oil palm plantations: Pontoscolex corethrurus, Pheretina sp., and Lumbricus. The highest relative density and significant value index were found in Pheretina sp, namely 36.09% and 69.42%, respectively. While in TM there are 4 types: Pontoscolex corethrurus, Pheretina sp., Lumbricus, and Microscolex. The relative density and significance index found in Pontoscolex corethrurus were 30.56% and 55.63%, respectively. Earthworm density values were found to be higher in oil palm plantations aged 4 years.Keywords: Earthworm; Elaeis quineensis Jacq; density
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