<p>Jagung varietas lokal memiliki beragam kandungan nutrisi biji yang berperan penting sebagai sumber bahan pangan. Nitrogen (N) merupakan unsur hara esensial yang sangat dibutuhkan tanaman untuk tumbuh dan berproduksi. Penelitian ini bertujuan untuk mengetahui dosis N yang memberikan hasil dan kualitas biji terbaik pada beberapa varietas jagung lokal. Penelitian dilakukan di kebun percobaan Fakultas Pertanian Universitas Jember pada bulan Mei hingga September 2019, menggunakan rancangan petak terbagi, dengan tiga ulangan. Petak utama adalah lima varietas jagung lokal asal Trenggalek, Bojonegoro, Kalimantan, Madura, dan Pasuruan, anak petak adalah empat dosis pupuk N yaitu 50, 100, 150 dan 200 kg/ha. Hasil penelitian menunjukkan varietas jagung lokal Trenggalek, Bojonegoro, Kalimantan dan Madura menghasilkan lebih tinggi dengan kisaran 3,68-4,24 t/ha, berbeda nyata dengan varietas lokal Pasuruan yang menghasilkan 2,29 t/ha. Pemupukan N dengan dosis 200 kg/ha memberikan respon pertumbuhan terbaik. Dosis pemupukan N 150-200 kg/ha menghasilkan biji lebih tinggi dengan kisaran 3,79 - 3,89 t/ha. Jagung varietas lokal Trenggalek dan Kalimantan menghasilkan protein biji lebih tinggi dengan kisaran 9,21 - 10,81% pada pemupukan N 50-200 kg/ha, varietas lokal Bojonegoro menghasilkan protein biji terendah, berkisar antara 7,10-7,88%. Kadar lemak biji jagung varietas lokal Bojonegoro, Madura, dan Pasuruan berkisar antara 5,03 - 5,27% lebih tinggi dibandingkan varietas Trenggalek dengan kisaran 4,60 - 4,78%. Jagung lokal Madura dan Pasuruan memiliki aktivitas antioksidan biji yang lebih tinggi masing-masing 17,86 – 19,22 % dan 14,87 – 19,89 %, varietas Kalimantan menghasilkan aktivitas antioksidan terendah dengan kisaran 10, 35 – 11, 76%.</p>
Cactus plants are ornamental plants that have many benefits and high value so they are profitable when developed. The Faculty of Agriculture, University of Jember has developing a lot of horticultural plants including ornamental plants such as cactus plants. The partner of these program is the owner of the ornamental plant business "Kartini Nursery" located in Kepatihan Village, Kaliwatesi District,Jember which has problems abaout benefits, propagation, maintenance and making an attractive appearance of cactus plant that can be display and sold. The purpose of this program was to increase knowledge and technology of partner programme regarding the benefits, methods of propagation, and maintenance of cactus plants,, to produce hight quality and attractive plants wich have high economic value. The programme carried out using socialization and practice method of propagation, maintenance and planting of cactus plants tiny plants in pots or mini gardens.The evaluation is carried out during the implementation and at the end of the activity. The results of the activities showed that the activity runs smoothly, the partners are very enthusiastic in participating in each stage of the programme and planting cactus in mini pots. Conclusion of the activities, partners knowledge and technology increased in the developing, maintenance and planting provitable cactus in beautiful pots.
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