Growth, Net Assimilation and Yield Analysis of Eggplant(Solanum melongena L.): Dosage of Goat Manure and NPK FertilizerThe research was aimed to obtain the dose of goat manure, NPK fertilizer and the interaction in increasing the growth and yield of eggplant. The research was usedthe randomized block design factorial with the first factor (goat manure) such as K0= 0 ton.ha-1, K1= 10 ton.ha-1, K2= 20 ton.ha-1 and the second factor (NPK Mutiara 16-16-16) such as P0= 0 ton.ha-1, P1= 100 ton.ha-1, P2= 200 ton.ha-1, P3= 300 ton.ha-1 with three replications. This research was conducted at Jl. Eka Rasmi, Medan Johor Subdistrict, Medan, North Sumatra from August until October 2019. The parameters such as plant height, leaf area, fresh weight of root and shoot, dry weight of root and shoot, total dry weight, fruitweight.plant-1, fruit weight.plot-1, crop growth rate (CGR), relative growth rate (RGR), and net assimilation rate (NAR) wereanalyzed using the ANOVA and the means were followed by DMRT test at the level of 5% used the IBM SPSS Statistics v.20. The results showed an increase in leaf area, fresh weight of shoot, dry weight of root, dry weight of shoot, total dry weight, and fruit weight.plant-1, of eggplant plant with the increasing dose of goat manure up to 20 ton.ha-1of 23.27%; 35.85%; 17.64%; 16.55%; 16.66%; and 17.18%, respectively compared to untreated except plant height. Growth in leaf area, fresh weight of shoot, dry weight of root, dry weight of shoot, total dry weight, fruit weight.plant-1 and fruit weight.plot-1of eggplant plant were increased with increasing NPK fertilizer dosage up to 300 kg.ha-1of 16.88%; 25.96%; 24.08%; 38.37%; 34.46%; 21.85%; and 19.22%, respectively compared to untreated. The interaction of goat manure with NPK does not significantly affect on the growth and yield of eggplant plant. The CGR, RGR, and NARvalue in the giving of goat manure from 10 until 30 days after planting was higher compared to the application of Mutiara NPK fertilizer.
Pendahuluan: Tujuan penelitian ini untuk mengidentifikasi jenis makrofauna tanah yang ada pada tanaman kakao yang menghasilkan dan tanaman kakao yang belum menghasilkan. Metode Penelitian: Penelitian ini dilaksanakan di kebun kakao rakyat, Kabupaten Langkat, dan dilanjutkan identifikasi serangga di Laboratorium Hama Tanaman, Fakultas Pertanian, Universitas Sumatera Utara, Medan dari bulan April sampai Mei 2019. Penelitian ini menggunakan metode deksriptif kuantitatif. Hasil Penelitian: terdapat beberapa ordo Hymenoptera, Orthoptera, Coleoptera, Oligochaeta, dan Araneae dengan jumlah makrofauna yang berbeda.
Penelitian Tindakan merupakan penelitian yang dilakukan melalui tindakan di kelas oleh guru atau peneliti. Penelitian tindakan dapat dikategorikan menjadi empat, yaitu: (1) penelitian tindakan partisipasi (participatory action sesearch), penelitian tindakan kritis (critical action reseach), penelitian tindakan sekolah (institutional action research), dan penelitian tindakan kelas (clasroom action recearch). Dalam pendidikan formal, yang banyak dikembangkan guru di sekolah adalah Penelitian Tindakan Kelas (PTK) karena sasaran atau subjek penelitiannya adalah siswa. Peraturan Menteri Pemberdayaan Aparatur Negara dan Reformasi Birokrasi Nomor 16 Tahun 2009 tentang jabatan guru dan angka kreditnya memberlakukan mulai Januari 2013. Salah satu materinya adalah petunjuk teknis pelaksanaan kinerja guru yang profesional. Implementasinya adalah dengan melaksanakan serta membuat laporan hasil penelitian di bidang pendidikan utamanya Penelitian Tindakan Kelas. Penelitian tersebut merupakan salah satu cara yang strategis bagi pendidik untuk meningkatkan dan atau memperbaiki layanan pendidikan bagi pendidik dalam konteks pembelajaran di kelas. Niff (1992) menegaskan bahwa dasar utama bagi dilaksanakannya penelitian tindakan kelas adalah untuk perbaikan.Langkah-langkah praktis pelaksanaan penelitian tindakan kelas tersebut dapat dijabarkan. Oleh sebab itu, tulisan ini akan berfokus pada kegiatan-kegiatan pokok seperti : (1) planning, (2) acting, (3) observing, (4) reflecting. Penelitian yang terkait dengan persoalan praktik pembelajaran misalnya rendahnya minat baca siswa.Dengan penelitian tindakan kelas dapat dicoba berbagai tindakan yang berupa program pembelajaran dengan membiasaakan membaca cerita-cerita lokal, menggunakan buku yang dimiliki cerita lucu, dan sebagainya. Peneliti wajib menyusun laporan penelitian.Yang perlu ditulis pada laporan berkaitan dengan: (1) setting, (2) hasil per siklus, (3) analisis antarsiklus.
Penelitian ini bertujuan untuk mengetahui pemberian respon pemberian pupuk urea dan urine sapi dapat meningkatkan pertumbuhan vegetatif bibit kelapa sawit (Elaeis guineensis Jacq) di pembibitan awal. Penelitian ini dilaksanakan pada September sampai Desember 2015 di Kebun Masyarakat Kelurahan Sari Rejo, Kecamatan Medan Polonia. Metode penelitian menggunakan rancangan acak kelompok faktorial dengan dua taraf yaitu: faktor pertama: pemberian pupuk urea dengan 3 taraf: P0= tanpa pupuk urea; P1= pupuk urea 2 g/polibag; P2= pupuk urea 4 g/polibag. Faktor kedua: pemberian urine sapi 4 taraf: U0= tanpa urine sapi; U1= urine sapi 80 ml/polibag; U2= urine sapi 160 ml/polibag; U3= urine sapi 240 ml/polibag. Hasil penelitian menunjukkan bahwa pemberian pupuk urea dapat meningkatkan tinggi bibit tanaman kelapa sawit umur 11 MST dengan dosis 4 g/polibag memberikan tinggi bibit kelapa sawit tertinggi 21,17 cm. Pemberian urine sapi belum dapat meningkatkan pertumbuhan bibit tanaman kelapa sawit. Interaksi antara pemberian pupuk urea dan urine sapi belum dapat meningkatkan pertumbuhan vegetatif bibit kelapa sawit di pembibitan awal.
Introduction: This study was aimed to examine the effect of beans positions of the fruit and Liquid Organic Fertilizer (LOF) on the growth of the cocoa seedlings (Theobroma cacao ) in early nurseries. Materials and Methods: This study was conducted at the agricultural experiment land, Universitas Tjut Nyak Dhien, Medan Helvetia District, Medan City from April to June 2020. This study used a Randomized Block Design (RBD) within two factors. The first factor was beans position of the fruit (B0= peduncular, B1= median, B2= apical). The second factor was LOF application (D0= un-treated, D1= 3 ml.l-1, D2= 5 ml.l-1). The variables including radicle length, seedlings height, number of leaves, leaf area, stem diameter, and root fresh weight were then processed using ANOVA and BNT at the rate of 5%. Results: The beans position of the cocoa fruit was an insignificant effect on all parameters of seedlings. LOF application was significant on seedlings height at 4, 6, and 8 weeks after planting (WAP) and also the number of leaves at 8 WAP, but it had an insignificant effect on radicle length, leaf area, stem diameter, and root fresh weight. The interaction of beans position of the fruit and LOF application on the vegetative growth of cocoa seedlings in the early nursery also did insignificant in all parameters of this study.
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