Pacar air (Impatiens balsamina Linn.) merupakan tanaman yang dapat dibudidayakan sebagai tanaman hias dan tanaman obat. Pertumbuhan pacar air dapat tercapai dengan baik apabila tanaman mendapatkan faktor tumbuh yang optimal seperti ketersediaan unsur hara. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk kandang ayam terhadap pertumbuhan vegetatif tanaman pacar air. Penelitian dilaksanakan di rumah plastik Kebun Percobaan Prodi Agroteknologi Universitas Trunojoyo Madura pada bulan Februari hingga April 2017. Rancangan penelitian menggunakan Rancangan Acak Lengkap yang terdiri dari 6 perlakuan dosis pupuk kandang ayam yaitu :0 gram/tanaman (A0), 21,5 g/pot (A1), 43 g/pot (A2), 64,5 g/pot (A3), 86 g/pot (A4), dan 107,5 g/pot (A5). Pemberian bahan organik yang berasal dari pupuk kandang ayam pada alfisol mampu meningkatkan pertumbuhan vegetatif tanaman pacar air (Impatiens balsamina L.). Perlakuan dosis pupuk kandang ayam berpengaruh nyata terhadap variabel tinggi tanaman, jumlah daun, luas daun, jumlah cabang, diameter batang, bobot kering tanaman dan laju pertumbuhan absolut. Dosis 86 g/pot (A4) menghasilkan rata – rata tertinggi, namun tidak berbeda nyata dengan dosis 107,5 g/pot (A5) maupun 64,5 g/pot (A3).

Impatiens balsamina Linn. is a plant that can be cultivated as an ornamental and medicinal plants. Growth of Impatiens balsamina Linn. can be achieved well if the plants get optimal growth factors such as nutrient availability. This study aimed to investigate the effects of the application of Chicken manure in Vegetative Growth of Impatiens balsamina Linn. The study was conducted in the plastic house of research field of Agrotechnology of University of Trunojoyo Madura. The research was conducted from February to April 2017. The research employed Completely Randomized Design (CRD). The treatment consisted of 6 levels of manure application namely 0 g/pot (A0), 21.5 g/pot (A1), 43 g/pot (A2), 64.5 g/pot (A3), 86 g/pot (A4) and 107.5 g/pot (A5). Each treatment was repeated for three replications. The results showed that all treatments significantly increased plant height, leaf number, leaf area, branch number, stem diameter, dry weight of plant and absolute growth rate. Fertilization at the rate of 86 g/pot (A4) gave similar result as that from 107.5 g/pot (A5) or 64,5 g/pot (A3).

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