Kedelai (Glycine max (L.) Merril) merupakan tanaman pangan yang penting sebagai sumber protein nabati. Penelitian ini akan dilakukan di Kecamatan Tarogong Kaler Kabupaten Garut. Tujuan penelitian ini adalah untuk mengetahui pengaruh pemberian FMA dan PGPR terhadap jumlah bintil total dan persentase bintil efektif. Lokasi penelitian berada pada ketinggian tempat 650 meter. Rancangan pada penelitian ini menggunakan Rancangan Acak Kelompok (RAK) Faktorial yang terdiri dari 2 faktor yaitu empat taraf konsentrasi PGPR dan empat taraf inokulan FMA. Tiap perlakuan diulang sebanyak dua kali, maka jumlah keseluruhan : 4 x 4 x 2 = 32. Hasil menunjukkan bahwa pengaruh pemberian FMA dan PGPR memberikan pengaruh yang nonsignifikan terhadap jumlah bintil total dan persentase bintil efektif.
Percobaan dilaksanakan di Kampung Barukai Kecamatan Cisurupan Kabupaten Garut dengan ketinggian 1100 meter di atas permukaan laut dengan nilai reaksi tanah 5,63. Percobaan dilaksanakan pada bulan Agustus sampai November 2017. Tujuan penelitian adalah mengetahui interaksi antara konsentrasi dan frekuensi aplikasi urin kelinci terhadap pertumbuhan dan hasil tanaman wortel. Metode yang digunakan dalam penelitian adalah eksperimental dengan menggunakan Rancangan Acak Kelompok (RAK) pola faktorial 4 x 3 dengan 3 kali ulangan. Faktor pertama konsentrasi (m) terdiri dari empat taraf perlakuan, yaitu: m1 = 10 ml/liter air, m2 = 20 ml/liter air, m3 = 30 ml/liter air, m4 = 40 ml/liter air. Faktor kedua frekuensi aplikasi urin kelinci (r) terdiri dari tiga taraf perlakuan, yaitu: r1 = 2 kali, r2 = 4 kali, r3 = 6 kali. Hasil penelitian menunjukan terjadi interaksi antara konsentrasi dan frekuensi aplikasi urin kelinci terhadap panjang buah pada 90 HST. Secara mandiri, konsentrasi urin kelinci 40 ml/liter air menunjukan pengaruh terbaik terhadap tinggi tanaman, bobot buah tanaman dan bobot tanaman per plot. Sementara frekuensi aplikasi urin kelinci sebanyak 6 kali menunjukan pengaruh terbaik pada bobot buah tanaman dan bobot buah per plot. . Kata kunci: Frekuensi aplikasi, Urin kelinci, Wortel
Penelitian ini bertujuan untuk mengetahui pengaruh berbagai jenis pupuk organik dan Fungi Mikoriza Arbuskula (FMA) terhadap C-organik pertumbuhan dan hasil tanaman jagung semi. Percobaan dilakukan di Desa Sukarasa, Kecamatan Samarang, Kabupaten Garut, Jawa Barat, dari Bulan Februari sampai Bulan April 2018. Ketinggian tempat 1500 meter di atas permukaan laut. Metode penelitian yang digunakan adalah metode eksperimental, dengan menggunakan Rancangan Acak Kelompok (RAK) berpola faktorial 3 x 3 dengan tiga ulangan. Faktor pertama adalah dosis pupuk organik (o) terdiri atas tiga taraf, yaitu o1 = pupuk kandang ayam 210 g/tanaman, o2 = pupuk kandang sapi 210 g/tanaman, o3 = pupuk kandang domba 210 g/tanaman. faktor kedua dosis (FMA) (m) terdiri atas tiga taraf, yaitu m1 = 2 g/tanaman, m2 = 4 g/tanaman, m3 = 8 g/tanaman. Hasil penelitian menunjukan tidak terjadi interaksi antara berbagai jenis pupuk organik dan (FMA) terhadap C-organik, pertumbuhan dan hasil jagung semi. Pengaruh dosis pupuk kandang sapi 210 g/tanaman dan mikoriza 8 g/tanaman memberikan nilai yang paling tinggi terhadap tinggi tanaman, luas daun, bobot tongkol pertanaman
Nilem fish belongs to freshwater fish commodity that has been widely cultivation. Some factors influencing fish cultivation are good quality of feed, quantity, size, and shape. Quality feed works as a primary energy source as well as improves the digestive system of fish, with the expectation that the fish growth and health are optimal. Information concerning health status in cultivation Nilem has been used as a reference for improving cultivation methods and controlling disease attacks. The population and production of fish cultivation is experiencing serious problems due to infection from various types of pathogens. Therefore, a viable alternative is needed to prevent and overcome diseases by utilizing immunostimulant substances derived from synthetic substances that can increase the activity of non-specific immune defenses and stimulate antibiotic-forming organs in fish body. Immunostimulant is a substance that is capable of increasing the mechanism of non-specific immune response of fish one of them is by adding Chlorella vulgaris extract to the feed. This research objective is to determine the influence of Chlorella vulgaris supplementation on total blood albumin in nilem fish. This research was conducted by sampling method consisting of 5 treatments with further 4 replications. The treatments were feed supplementation of 0 g.kg-1, 2 g.kg-1, 3 g.kg-1, 4 g.kg-1, and 6 g.kg-1. Independent and dependent variables were used in this research; the independent variable was the dose of Chlorella vulgaris in the feed and the dependent variable was blood albumin concentration. The measuring of plasma albumin concentration was done using the Dyasis kit method with a spectrophotometer. The obtained data were then analyzed by ANOVA, followed by the Least Significant Difference (LSD) at the 95% confidence level if there is a real difference then followed by Tukey's test at the same confidence level. The results showed that the average value of serum albumin concentration of nilem fish from all treatments was between 4.2761 – 7.1826 g/dL. The normal albumin concentration was found in the treatment 4 g.kg-1 Chlorella vulgaris supplementation which was 4.77 g/dL. Meanwhile, the highest concentration was found from the supplementation of Chlorella vulgaris at 3 g.kg-1 feed which was 6.677 g/dL.
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