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Application of Jatropha Rind Compost as K Source in The Sweet Corn (Zea mays saccharata Sturt.) Cultivation Arrasyid, Bagus; Budiyanto, Gunawan; Widyastuti, Titiek
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.067.79-87

Potassium is one of important soil nutrients. The content of potassium in the jatropha rind compost is quite high reaching 11.36%. The high content of potassium in the jatropha rind has potential to increase the productivity and fulfill the needs of soil nutrients in the cultivation process. The research aims to study the influence of jatropha rind compost as substitute KCl fertilizer on sweet corn (Zea mays saccharata Sturt.), and get the proper rate of the compost for increasing the growth and yield of sweet corn. This research was conducted using an experimental method with a single factor that was arranged in a completely randomized design. Treatments were combination of jatropha rind compost and KCl rate, consisting of four levels, 250 kg KCl/hectare + 0 KJP kg/hectare, 125 kg KCl/hectare + KJP 273.89 kg/hectare, 62.5 kg KCl/hectare + KJP 410.84 kg/hectare, 0 kg KCl/hectare + KJP 547.79 kg/hectare. Each treatment was replicated 3 times so that there were 12 experimental units and each unit consisting of three plants trial so that there were 36 plants. Each plot of the experimental unit was fertilized using manure 20 ton/hectare, urea 400 kg/hectare which was applied 2 times and SP-36 300 kg/hectare. Results indicate that the treatment of mix dose of compost rind jatropha and KCl does not affect significantly on growth and yield of sweet corn. Sweet corn plants fertilized with jatropha rind compost with the dose of 547.79 kg/ha had the same growth and yield those of 250 kg/ha KCl. The study concluded that jatropha rind compost can replace KCl fertilizer.

Application of Jatropha Rind Compost as K Source in The Sweet Corn (Zea mays saccharata Sturt.) Cultivation Bagus Arrasyid; Gunawan Budiyanto; Titiek Widyastuti
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.067.79-87

Potassium is one of important soil nutrients. The content of potassium in the jatropha rind compost is quite high reaching 11.36%. The high content of potassium in the jatropha rind has potential to increase the productivity and fulfill the needs of soil nutrients in the cultivation process. The research aims to study the influence of jatropha rind compost as substitute KCl fertilizer on sweet corn (Zea mays saccharata Sturt.), and get the proper rate of the compost for increasing the growth and yield of sweet corn. This research was conducted using an experimental method with a single factor that was arranged in a completely randomized design. Treatments were combination of jatropha rind compost and KCl rate, consisting of four levels, 250 kg KCl/hectare + 0 KJP kg/hectare, 125 kg KCl/hectare + KJP 273.89 kg/hectare, 62.5 kg KCl/hectare + KJP 410.84 kg/hectare, 0 kg KCl/hectare + KJP 547.79 kg/hectare. Each treatment was replicated 3 times so that there were 12 experimental units and each unit consisting of three plants trial so that there were 36 plants. Each plot of the experimental unit was fertilized using manure 20 ton/hectare, urea 400 kg/hectare which was applied 2 times and SP-36 300 kg/hectare. Results indicate that the treatment of mix dose of compost rind jatropha and KCl does not affect significantly on growth and yield of sweet corn. Sweet corn plants fertilized with jatropha rind compost with the dose of 547.79 kg/ha had the same growth and yield those of 250 kg/ha KCl. The study concluded that jatropha rind compost can replace KCl fertilizer.

EFISIENSI SALURAN PEMASARAN JAMBU METE DI DESA LAILUNGGI Lambu Apu, Frengky; Rohi, Jullyo Gideon; Arrasyid, Bagus
Jurnal Sains Agribisnis Vol 2 No 2 (2022)
Publisher : Universitas Muhammadiyah Sidenreng Rappang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55678/jsa.v2i2.763

Penelitian ini bertujuan untuk menganalisis efisiensi saluran pemasaran biji jambu mete indikator yang digunakan yaitu pendekatan struktur, perilaku dan kinerja pasar (S-C-P) biji jambu mete didesa Lailunggi. Penentuan lokasi penelitian berdasarkan pertimbangan karena Desa Lailunggi merupakan pusat produksi jambu mete. Responden yang dijadikan sampel adalah petani, pedagang pengumpul, pedagang perantara dan pedagang besar. Pengambilan sampel responden petani dilakukan menggunakan metode simple random sampling sebanyak 40 responden petani dari total anggota populasi sebanyak 201petani. Responden pedagang tengkulak 6 orang, pedagang perantara 5 orang dan pedagang besar 6 orang jadi jumlah keseluruhan yaitu 57 responden. Dari Hasil penelitian menunjukkan bahwa pemasaran biji jambu mete di Desa Lailunggi tidak effisien. Hal ini dilihat dari harga yang diterima petani tergolong kecil pada saluran pemasaran I. pembagian harga di antara lembaga pemasaran tidak merata. struktur pasar didesa Lailunggi terbentuk pasar persaingan tidak sempurna, cenderung ke pasar monopsoni atau oligopsoni. perilaku pasar terdapat dua saluran pemasaran. Saluran pemasaran I petani- pedagang pengumpul- pedagang perantara- pedagang besar. Saluran pemasaran II petani- pedagang perantara- pedagang besar. Pada saluraan pemasaran I sebanyak 81,5% petani. Pada saluran pemasaran II sebanyak 18,4% petani. Kinerja pasar yaitu hasil analisis marjin pemasaran, saluran pemasaran I memiliki marjin sebesar Rp 500/Kg, sedangkan saluran pemasaran II sebesar Rp 1000/Kg. selanjutnya analisis farmer share tertinggi pada saluran pemasran II yaitu 95,83% dan saluran pemasaran I yaitu 92,75%.

PERAN ARSITEKTUR AKAR DALAM ADAPTASI SORGUM TERHADAP CEKAMAN KEKERINGAN (Review) Mandasari, Putri A.; Suryawati, Sinar; Arrasyid, Bagus; Murniyanto, Eko
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 13 No. 3 (2025): August: Ilmu Pertanian dan Bidang Terkait
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/fruitset.v13i3.6653

Sorghum is a drought-tolerant cereal crop and a strategic component of food security in semi-arid regions. Its adaptation to water deficit is largely determined by root system architecture (RSA), which includes root depth, lateral distribution, and interactions with microorganisms. An adaptive RSA allows sorghum to access water reserves, enhance nutrient uptake, and maintain growth and grain yield under drought. Root physiological mechanisms, such as osmolyte accumulation and antioxidant systems, support cellular homeostasis, while hormonal regulation (abscisic acid) and the transcription factor SbNAC9 coordinate gene expression for root development and stress defense. The synergy among these morphological, physiological, and molecular responses enables sorghum to sustain metabolism during prolonged water deficits. This review synthesizes existing literature on the role of RSA in sorghum’s drought adaptation, highlighting the connections between root structure, physiological responses, and molecular pathways. These insights provide a valuable framework for root-based breeding strategies aimed at enhancing drought tolerance. Ultimately, RSA acts as a central hub, integrating various adaptations to support crop resilience and productivity under arid conditions.

Penentuan Dosis N, P, dan K Optimum untuk Padi Gogo Kultivar Mayas Lokal Kalimantan Iskandar Lubis; Suwarto; Heni Purnamawati; Arrasyid, Bagus
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 48 No. 1 (2020): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

ABSTRAK Pemupukan berimbang adalah metode yang efektif untuk meningkatkan produksi padi dan menjaga keberlanjutan lingkungan. Tujuan penelitian ini adalah untuk menentukan dosis optimum pupuk N, P, K untuk padi gogo kultivar Mayas. Penelitian dilaksanakan pada bulan Januari sampai dengan Juli 2019 di lahan Kebun Percobaan Leuwikopo, IPB University, Bogor. Percobaan terdiri atas tiga percobaan paralel untuk N, P dan K dengan tingkat dosis pupuk berbeda menggunakan rancangan kelompok lengkap teracak sebanyak tiga ulangan. Dosis pupuk yang digunakan yaitu 0, 50, 100, 150, dan 200% dari acuan (100% N = 150 kg Urea ha-1, 100% P = 100 kg SP36 ha-1, 100% K = 100 kg KCl ha-1). Hasil dari peubah yang diamati dikonversi menjadi hasil relatif dan persamaan kuadrat dibuat untuk menentukan dosis pupuk N, P dan K optimum padi gogo Mayas, yaitu 174.79% N, 90.76% P2O5, dan 77.14% K2O dari acuan yang setara dengan 120.60 kg N, 32.67 kg P2O5, dan 46.28 kg K2O ha-1 atau 261.18 kg urea, 90.76 kg SP36, dan 77.14 kg KCl ha-1. Kata kunci: hasil relatif, multi nutrient response, dosis rekomendasi

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