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All Journal EnviroScienteae Seminar Nasional Lahan Suboptimal ZIRAA'AH MAJALAH ILMIAH PERTANIAN Agroekotek View
Bambang Fredrickus Langai
Departement Of Agronomi Faculty Of Agriculture Universitas Lambung Mangkurat
Agriculture, Biological Sciences & Forestry Environmental Science Other

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Journal : Agroekotek View

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Pengaruh Pemberian Pupuk N dan Bokashi terhadap Pertumbuhan dan Hasil Tanaman Jagung Manis (Zea mays Saccharata Sturt L.) Noor Hikmah Auliani; Bambang Fredrickus Langai; Chatimatun Nisa
Agroekotek View Vol 4, No 1 (2021)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/agtview.v4i1.2989

Abstract

This research was conducted in August - November 2019 in Tungkaran Village (Maju Bersama Farmer Group) Martapura Kab. Banjar, South Kalimantan Province and Laboratory of Agroecotechnology Production, Faculty of Agriculture, ULM Banjarbaru. This experiment used a completely randomized design (CRD) 2 factors which included 5 doses of N fertilizer (first factor) and 4 doses of bokashi fertilizer (second factor) with 2 replications. The results of this research stated that the most significant impact on the interaction of N and bokashi fertilizers were plant height (28 dast and 35 dst), plant wet weight, plant dry weight, number of seeds / rows, many cob weighted and many ears without weight. sweet corn plants, namely the N fertilizer at a dose of 90 kg N/ha to 180 kg N/ha as well as the bokashi fertilizer at a rate of 15 tons/ha.
Evaluasi Kesuburan Tanah Ultisol pada Pertanaman Karet di Kecamatan Cempaka Kota Banjarbaru, Provinsi Kalimantan Selatan Byanra Firas Daksina; Anna Maria Makalew; Bambang Fredrickus Langai
Agroekotek View Vol 4, No 1 (2021)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/agtview.v4i1.2990

Abstract

Rubber is one of the mainstay commodity plantations that plays a role in the national economy, including in the economy of South Kalimantan Province. The purpose of this study was to determine the fertility status of Ultisols in rubber plantations in Cempaka District, Banjarbaru City, South Kalimantan Province. Using a survey method, the rubber planting location was determined through purposive sampling. Observation variables include pH H2O 1:5; cation exchange capacity, CEC (me / 100 g) and base saturation, KB (%) 1N NH4OAc extract pH 7.0; P-total (mg / 100g) and K-total (mg / 100g) 25% HCL extract; and the C-organic (%) Walkey and Black method. The soil fertility status was determined according to PPT, 1995. The results showed that Ultisol soil in rubber plantations in Cempaka District, Banjarbaru City, South Kalimantan Province had low fertility status. This low fertility status is due to the nature of the soil which has acid criteria, a pH of 4.90; KTK is classified as medium criteria, amounting to 18.78 me / 100 g; KB is classified as very low, amounting to 9.99%; P-Total classified as low, a number of 4.63 (mg / 100g); K-Total classified as low, worth 16.32 (mg / 100g); and C- Organic which is included in the moderate criteria, amounting to 2.11%. This study revealed that the main inhibiting factors for soil fertility in rubber plantation in Cempaka District were pH, KB, P-total, and K-Total. To improve soil fertility status, calcification, addition of organic matter, and fertilization can be carried out.
Co-Authors Anna Maria Makalew Bima Ugi Supriyanto Byanra Firas Daksina Chatimatun Nisa Hilda Susanti Indriani Indriani Indya Dewi Melinda Yuniar Noor Hikmah Auliani