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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Solum Agrin : Jurnal Penelitian Pertanian Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan
Abimanyu Dipo Nusantara
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science

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Mekanisme Adaptasi Genotipe Baru Kedelai dalam Mendapatkan Hara Fosfor dari Tanah Mineral Masam Rr. Yudhy Harini Bertham; Abimanyu Dipo Nusantara
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 39 No. 1 (2011): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.129 KB) | DOI: 10.24831/jai.v39i1.13184

Abstract

Phosphate defi ciency is one of the main constraints to increase soybean yield in acid mineral soil. An experiment was conducted with an objective to discover scientifi c base of fertilizer selection based on soybean adaptation mechanism to mitigate P defi ciency in acid mineral soils in Bengkulu Province. A factorial experiment was arranged in a randomized complete block design with four replications. The fi rst factor was soybean genotypes, i.e. Slamet and three new soybean genotypes (NSGs) i.e. 19BE, 25EC and 13ED, and second factor was P fertilization dosages (0 and 400 mg P2O5 kg-1 soil). Soybean was grown in a greenhouse using double pot system. Research results showed that the NSGs had different mechanism in P uptake from soil with high P absorbing capacity compared to Slamet genotype. NSGs translocated more carbon to root, and decreasing of shoot-root ratio, about 66-70%. NSGs 25EC produce more oxalic and malic acid, and 13ED produce more citric acid to obtain same amount of P absorbed by Slamet variety. Under low P, NSGs developed symbioses with mycorrhizal arbuscular fungus, however, only 19BE which increase microbe population in rhizosfer. Phosphosrus fertilization supressed arbuscular mycorrhizal fungus development (15-100%), alkaline phosphatase activity (20-88%), and microbial C biomass (40-71%) in rhizosphere of new soybean genotypes
The Growth Of Oil Palm (Elaeis guineensis Jacq..) On Media Planting In The Form Of Subsoil, Empty Fruit Branch Of Oil Palm (Efbop) Compost And Rice Husks In Main-Nursery Stage Bilman Wilman Simanihuruk; Ismail Ismail; Abimanyu Dipo Nusantara
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 19 No 2 (2021): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v19i2.2297

Abstract

The objectives of this research is to determine the composition of the planting media in the form of subsoil, empty fruit branch of oil palm (EFBOP) compost, and rice husks in the main-nursery. This research was conducted from June 2020 to September 2020 on Jl. Ciptabaru, Pematang Governor's Village, Muara Bangkahulu District, Bengkulu City, Bengkulu Province with an altitude of ±10 meters above sea level. This study used a completely randomized design (CRD) with one factor and three replications, which consisted of 11 treatments, namely M0 (100% Topsoil), M1 (100% Subsoil), M2 (80% Subsoil + 20% EFBOP Compost), M3 ( 80% Subsoil + 20% Rice Husk), M4 (60% Subsoil + 20% EFBOP Compost + 20% Rice Husk), M5 (60% Subsoil + 10% EFBOP Compost + 30% Rice Husk), M6 (60% Subsoil + 30 %EFBOP Compost + 10% Rice Husk), M7(60% Subsoil + 40% EFBOP Compost), M8(60% Subsoil + 40% Rice Husk), M9(50% Subsoil + 50% EFBOP Compost), M10 (50% Subsoil + 50% Rice Husk). Data were analized using Analysis of Variance and continued by Duncan’s Multiple Range Test at the 5% significance level. The result showed that the best planting medium is 50% subsoil + 50% EFBOP compost which produces a stem diameter of 51.02 mm, a total leaf area of ??8094.71 cm2, a greenish level of 59.15 , a dry shoot weight of 129.38 g, a dry root weight of 27.53 g.
Kombinasi Aplikasi Biochar dan Fungi Mikoriza Arbuskula Terhadap Jagung Manis Pada Entisol Herman, Welly; Zakaria, Edi; Nusantara, Abimanyu Dipo; Gusmara, Herry; Putri, Elsa Lolita
Jurnal Solum Vol 19, No 2 (2022)
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jsolum.19.2.62-69.2022

Abstract

Entisols are sandy soils with P and K in form still fresh and cannot be absorbed by plants, thereby affecting plant growth and production. Therefore, it is necessary to add rice husk biochar and arbuscular mycorrhizal fungi (AMF) to help provide nutrients to support the growth of sweet corn plants. The research was carried out from August to October 2020 in Beringin Raya Village, Bengkulu City with coordinates S03°45,434' E102°15,687'. The study used a completely randomized design (CRD) with two factors. The first factor was the dose of rice husk biochar: 0, 5, and 10 tons ha-1 ; and the second factor was the AMF dose of 0, 5, and 10 g of propagule. The total 27 units was obtained from nine treatment combinations that was repeated three times. Each experimental unit consisted of 2 sample plants so that there were 54 polybags. Soil parameters observations were soil pH, CEC, organic C, nutrient levels of N, P, K and P uptake. Phosphor uptake was calculated based on the total dry weight of plants x nutrient content of P. The variables observed in plants were plant height, root length, plant dry weight (roots and stems), ear length, cob diameter, cob weight. The result was no interaction between rice husk biochar and AMF on growth, P uptake, and yield of sweet corn. Application 10 tons ha-1 of rice husk biochar of biochar and inoculation of 10 g of plant propagule-1 gave the best results on growth, P uptake, and yield of sweet corn.Keywords: Biochar: Entisols, Mycorrhizal
PENINGKATAN ADAPTABILITAS DAN PERTUMBUHAN BEBERAPA VARIETAS PADI GOGO MELALUI INOKULASI PUPUK HAYATI DAN BIOKOMPOS DI KAWASAN PESISIR Bertham, Yudhi Harini; Nusantara, Abimanyu Dipo; Murcitro, Bambang Gonggo; Arifin, Zainal
Agrin Vol 24, No 2 (2020): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2020.24.2.503

Abstract

Pemanfaatan lahan kering pada kawasan pesisir untuk budidaya tanaman padi gogo mempunyai potensi besar untuk pemantapan swasembada pangan maupun untuk pembangunan pertanian kedepan. Keterbatasan kesuburan yang dimiliki lahan di kawasan pesisir dapat diatasi dengan menggunakan teknologi yang tepat seperti penggunaan varietas yang unggul dan pupuk hayati serta biokompos. Penelitian ini bertujuan untuk mengetahui karakteristik biologi dan kimia tanah serta pertumbuhan padi gogo di kawasan pesisir. Rancangan percobaan yang digunakan adalah rancangan petak terbagi dengan petak utama adalah 3 varietas padi gogo yang didapatkan dari BPTP Bengkulu yaitu varietas Inpago 10, Serantan, dan Lokal Bengkulu, dengan anak petak yaitu inokulan ganda mikroba pelarut P (pf) + mikroba pelarut K + mikroba pemfiksasi N, inokulan ganda mikroba pelarut P (fma) + mikroba pelarut K + mikroba pemfiksasi N, biokompos dengan dosis 10 ton ha-1, dan pupuk anorganik rekomendasi BPTP yaitu 200 kg Urea/ha, 100 kg SP36/ha, 100 kg KCl/ha, diulang 4 kali. Hasil penelitian menunjukkan bahwa aplikasi pupuk hayati maupun biokompos yang ditanami padi gogo varietas Inpago 10 di area pesisir mampu meningkatkan karakter biologi dan kimia tanah. Padi gogo varietas Serantan dengan aplikasi inokulan ganda mikroba pelarut P + mikroba pelarut K + mikroba pemfiksasi N di area pesisir mampu menghasilkan jumlah anakan tinggi dengan tinggi tanaman rendahKata kunci: adaptabilitas, lahan pesisir, padi gogo, pertumbuhan, pupuk hayati.
Co-Authors Bambang Gonggo Murcitro Bilman Wilman Simanihuruk Gusmara, Herry Herman, Welly Ismail Ismail Putri, Elsa Lolita Rr. Yudhy Harini Bertham Yudhi Harini Bertham, Yudhi Harini Zainal Arifin Zakaria, Edi