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    Pemberian Vermikompos dan Pupuk Kalium Nitrat (KNO3) Terhadap Sifat Kimia Tanah dan Produksi Bawang Merah (Allium ascalonicum L.) di Lahan Sawah Pascapanen

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    Date
    2019
    Author
    Situmorang, Renovand Mikael
    Advisor(s)
    Marbun, Posma
    Damanik, Moh.Madjid B
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    Abstract
    Vermicompost and potassium nitrate fertilizer (KNO3) can increase bulb weight and bulb quality, and then the characteristics of soil chemical significantly in paddy filed, such as : pH, C-organic, N-total, dan K-exchange. So, the objective of this research is to know the influence of the appilcation of vermicompost and potassium nitrate fertilizer (KNO3) on the characteristis of soil. This research was conducted from june 2019 untill August 2019 in paddy Kecamatan Medan Selayang, Medan. This study used randomized block design (RBD) which conssist of two factors. The first factor is the application of vermicompost which consist of 3 (three) levels those are : 0, 10, 20 ton/ha, and The first factor is the application of potassium nitrate(KNO3) which consist of 3 (three) levels those are : 0, 100, 200 kg/ha. The result of research is application of vermicompost and potasssium nitrate influence of the characteristics of soil chemical significantly in paddy fileds. they are : pH, C-organic, N-total, dan K-exchange and shallot yield (wet bulb wight and dry bulb weight). Interaction of vermicompost and potassium nitrate (KNO3) can improve K-exchange, wet bulb weight dan dry bulb weight.
     
    Vermikompos dan pupuk KNO3 mampu meningkatkan bobot umbi dan kualitas umbi yaitu kekerasan umbi dan sifat kimia tanah sawah pascapanen antaralain pH, C-organik, N-total, dan K-tukar. Penelitian ini yang bertujuan untuk mengetahui pemberian vermikompos dan pupuk kalium nitrat (KNO3) terhadap sifat kimia tanah sawah dan produksi bawang merah. Penelitian ini dilaksanakan dalam bulan Juni 2019 hingga Agustus 2019 pada lahan sawah Pascapanen Kecamatan Medan Selayang, Medan. Rancangan penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan dua faktor. Faktor pertama adalah pupuk vermikompos dosis : 0, 10, 20 ton/ha, sedangkan faktor kedua adalah pupuk kalium nitrat (KNO3) dengan dosis : 0, 100, 200 kg/ha. Hasil penelitian ini menunjukan pemberian vermikompos dan pupuk kalium nitrat (KNO3) berpengaruh nyata terhadap sifat kimia tanah sawah yaitu seperti : pH, C-organik, N-total, dan K-tukar serta produksi bawang merah (rataan bobot basah dan kering umbi bawang merah). Interaksi antara vermikompos dan pupuk kalium nitrat nyata meningkatkan K-tukar, bobot umbi basah dan bobot umbi kering bawang merah.

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    http://repositori.usu.ac.id/handle/123456789/22586
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