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Jonis Ginting

Program Studi Agroekoteknologi, Fakultas Pertanian, USU, Medan

Author-ID : 5325892

Agriculture, Biological Sciences & Forestry

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Respons Pertumbuhan Dan Produksi Dua Varietas Selada (Lactuca Sativa L.) Terhadap Pemberian Berbagai Sumber Nitrogen Jepriwira K. Ginting; Jonis Ginting; Nini Rahmawati
Jurnal Pertanian Tropik Vol. 5 No. 2 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

The research aims to determine the growth and production response of two varieties of lettuce (Lactuca sativa L.) to the provision of various sources of nitrogen. This research was conducted in Lambar village, Tigapanah sub-district, Karo regency, Sumatera Utara Province with altitude of ± 1200 meters above sea level, which started on July to September 2017. This research used a factorial randomized block design with 2 factors namely varieties of lettuce (crop and lettuce) and sources of nitrogen (urea fertilizer, chicken manure and Liquid organic fertilizer of rabbit urine). The parameters observed were plant height, greenish leaves, crop circle, fresh weight of plant per sample and fresh weight of plant per plot. The results showed that both varieties were significantly different in the parameters of plant height, greenish leaves, the number of leaves, and the fresh weight of the plant per sample. Application of nitrogen source showed differences in plant height at 10 weeks after move planting and fresh weight of plant per sample.

Skrining Populasi Eleusine Indica Resisten Glifosat Berasal Dari Lahan Jagung di Provinsi Jawa Timur dan Jawa Tengah Rifyal Ramadhanu; Edison Purba; Jonis Ginting
Jurnal Pertanian Tropik Vol. 5 No. 2 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Glifosat merupakan herbisida umum pada perkebunan sawit. Penggunaan satu jenis herbisida yang berulang-ulang dapat menyebabkan berkembangnya populasi resisten gulma Eleusine indica. Di beberapa pertanaman jagung di Indonesia telah dilaporkan bahwa E. Indica gagal di kendalikan dengan memuaskan. Penelitian ini bertujuan untuk mengadakan penapisan populasi resisten-glifosat pada sejumlah pertanaman jagung di provinsi Jawa Tengah dan Jawa Timur. Biji biji tersebut di bawa ke Universitas Sumatra Utara untuk di uji dengan glifosat. Bibit berdaun 3- 5 helai daun di semprot dengan glifosat dosis 540 g a.e/ha dan 1080 g a.e/ha. Setiap dosis terdiri dari 3 pot dan setiap pot rata rata berisi sebanyak 10 tanaman. Hasil pengujian menunjukkan bahwa dari sebanyak 176 populasi yang di uji ada 64 populasi (36,3%), telah berkembang menjadi resisten, 94 populasi (53,4%) populasi resisten sedang dan 18 populasi (10,2%) sensitif terhadap glifosat dosis 1080 g a.e/ha.

Response of The Growth and production sweet Corn on the Composition of Planting Media hon Fiter Fernando Tambunan; Jonis Ginting; Meiriani
Jurnal Pertanian Tropik Vol. 6 No. 1 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Corn is one of the indicator plants that can give response to volcanic dust sinabung. The purpose of this study was to determine the respons of sweet corn plant growth to the composition of planting media (top soil, Sinabung volcanic dust and EFBOP). This research was done at experimental field of Agriculture Faculty of University of Sumatra Utara, Medan at height about 25 mals in August until November2016. The research was using a non-factorial randomized block design which was consisting of 6 treatments of top soil : volcanic dust : EFBOP ratio that is 10 kg : 0 kg : 0 kg (M0), 8 kg : 0 kg : 2 kg (M1), 8 kg : 0,5 kg : 1,5 kg (M2), 8 kg : 1 kg : 1 kg (M3), 8 kg : 1,5 kg : 0,5 kg (M4), and 8 kg : 2 kg : 0 kg (M5). Parameters observed were plant height, flowering age, length and width of leaves, fresh weights, length of cob, diameter of cob, seed line in cob, and number of seeds of cob. The result showed that the ratio of top soil, Sinabung volcanic dust and EFBOP had significanly effect on plant height, long and width of the leaves, fresh weights, length of cob, diameter of cob, seed line in cob, and number of seeds of cob, and had no significant effect on age flowering. The best composition of planting media was M2 with composition 8 kg top soil, 0,5 kg sinabung volcanic dust, and 1,5 kg EFBOP.

Respons Pertumbuhan Vegetatif Binahong (Anredera cordifolia (Ten.) Steenis) Terhadap Aplikasi Pupuk Organik Cair Jamson Hasintongan Tampubolon; Yaya Hasanah; Jonis Ginting
Jurnal Pertanian Tropik Vol. 6 No. 1 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Penelitian ini bertujuan untuk mengetahui respons pertumbuhan vegetatif binahong terhadap aplikasi pupuk organik cair. Penelitian ini dilaksanakan di Lahan Praktikum Fakultas Pertanian Universitas Sumatera Utara, Medan, pada bulan Januari 2017 hingga April 2017. Metode penelitian menggunakan Rancangan Acak Kelompok non faktorial dengan 6 taraf perlakuan, yaitu : 0; 2,5; 5,0; 7,5; 10,0 dan 12,5 ml/l. Parameter yang diamati adalah Panjang tanaman, jumlah daun, bobot segar tajuk, bobot kering tajuk, bobot segar akar, dan bobot kering akar. Hasil penelitian menunjukkan bahwa pemberian pupuk organik cair dengan konsentrasi 12,5 ml/l memberikan pengaruh nyata meningkatkan pertumbuhan panjang tanaman dan jumlah daun. Pemberian pupuk organik cair dengan konsentrasi 12, 50 ml/l, 2,50 ml/l, 5,00 ml/l, 7,50 ml/l, dan 10 ml/l memberikan pengaruh tidak nyata terhadap konsentrasi pada bobot segar tajuk. Pemberian pupuk organik cair dengan konsentrasi 7,50 ml/l memberikan pengaruh nyata meningkatkan pertumbuhan bobot segar akar dan bobot kering akar.

Co-Authors Edison Purba hon Fiter Fernando Tambunan Jamson Hasintongan Tampubolon Jepriwira K. Ginting Meiriani Nini Rahmawati Rifyal Ramadhanu Yaya Hasanah

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