Djumali Djumali
Balai Penelitian Tanaman Pemanis dan Serat

Published : 7 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 7 Documents
Search

Pengaruh Pupuk Majemuk Berbentuk Granul dan Briket Terhadap Pertumbuhan, Produktivitas, dan Rendemen Tebu Supriyadi Supriyadi; Nunik Eka Diana; Djumali Djumali
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 9, No 1 (2017): April 2017
Publisher : Balai Penelitian Tanaman Pemanis dan Serat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/btsm.v9n1.2017.34-41

Abstract

Program intensifikasi tebu dalam rangka meningkatkan produksi dan hablur dapat dilakukan dengan penambahan hara tanah melalui aplikasi pupuk.  Penelitian ini bertujuan mengevaluasi efektivitas  pupuk majemuk NPK (22% N:12% P2O5:12% K2O) berbentuk granul dan briket terhadap pertumbuhan, produktivitas, dan rendemen tebu.  Penelitian dilakukan pada bulan November 2012-Oktober 2013 di Kebun Percobaan  Kalipare, Kabupaten Malang. Perlakuan meliputi (1) 600 kg/ha NPK granul (G1), (2) 700 kg/ha NPK granul (G2), (3) 800 kg/ha NPK granul (G3), (4) 1.000 kg/ha NPK granul (G4), (5)  600 kg/ha NPK granul (G5) + 300 kg/ha Ammonium Sulfat (AS), (6) 700 kg/ha NPK granul (G6) + 300 kg/ha AS, (7) 800 kg/ha NPK granul (G7) + 300 kg/ha AS, (8) 1.000 kg/ha NPK granul (G8) + 300 kg/ha AS, (9) 600 kg/ha NPK briket (B1), (10) 700 kg/ha NPK briket (B2), (11) 800 kg/ha NPK briket (B3), (12) 1000 kg/ha NPK briket (B4), (13) 600 kg/ha NPK briket (B5) + 300 kg/ha AS, (14) 700 kg/ha NPK briket (B6) + 300 kg/ha AS, (15) 800 kg/ha NPK briket (B7) + 300 kg/ha AS, (16)  1.000 kg/ha NPK briket (B8) + 300 kg/ha AS, (17) 600 kg/ha (N15, P15, K15) + 500 kg/ha AS (pembanding/aplikasi petani). Rancangan disusun secara acak kelompok dan diulang tiga kali. Hasil penelitian menunjukkan bahwa perlakuan B8,  B6, B7, dan G8 menghasilkan pertumbuhan, produktivitas, rendemen, dan hasil hablur lebih tinggi dibanding dengan pembandingnya. Perlakuan B6 paling efisien dalam meningkatkan produktivitas (22,29 ton/ha), hasil hablur (2,03 ton/ha) dan keuntungan (Rp11.013.120,00/ha).The Influence of Granular and Briquette Compound Fertilizers on Growth, Productivity,and Sugar Content of SugarcaneIntensification program of sugarcane in order to increase production and sugar crystal can be done with the addition of soil nutrient through fertilizer application. This study aims to evaluate the effectiveness of NPK compound fertilizer (22% N:12% P2O5:12% K2O) in the form of granular and briquettes to growth, productivity, and sugar content. The research was conducted on November 2012–October 2013 at Kalipare Experiment Station, Malang. The treatments include (1) 600 kg/ha granule NPK (G1), (2) 700 kg/ha granule NPK (G2), (3) 800 kg/ha granule NPK (G3), (4) 1,000 kg/ha NPK granule (G6) + 300 kg/ha NPK granule (G5) + 300 kg/ha Ammonium Sulphate (US), (6) 700 kg/ha NPK granule (G6) + 300 kg / ha US, (7) 800 kg / ha NPK granule (G7) + 300 kg / ha US, (8) 1,000 kg / ha granule NPK (G8) + 300 kg/ha US, (9) 600 kg/ha NPK briquettes (B1), (10) 700 kg/ha NPK briquettes (B3), (12) 1.000 kg/ha NPK briquettes (B4), (13) 600 kg/ha NPK briquettes (B5) + 300 kg/ha US, (14) 700 kg/ha NPK briquette (B6) + 300 kg/ha US, (15) 800 kg/ha NPK briquette (B7) + 300 kg/ha US, (16) 1,000 kg/ha NPK briquettes (B8) + 300 kg/ha US, (17) 600 kg/ha (N15, P15, K15) + 500 kg/ha AS (famer’s application). The experiment was arranged design in randomized block design and repeated three times. The results showed that treatments B8, B6, B7, and G8 resulted in higher growth, productivity, and sugar production compared to farmer’s application. The treatment of B6 is the most efficient in increasing productivity (22.29 ton/ha), sugar production (2.03 ton/ha), and net profit (Rp11,013,120/ha).
Efektivitas Aplikasi Pupuk Majemuk NPK Terhadap Produktivitas dan Pendapatan Petani Tebu Nunik Eka Diana; Sujak Sujak; Djumali Djumali
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 9, No 2 (2017): Oktober 2017
Publisher : Balai Penelitian Tanaman Pemanis dan Serat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/btsm.v9n2.2017.43-52

Abstract

Peningkatan produktivitas tebu diantaranya dapat dilakukan dengan pemupukan yang tepat. Penggunaan pupuk majemuk masih belum banyak digunakan pada tanaman tebu. Penelitian bertujuan untuk mengevaluasi efektivitas pupuk majemuk NPK terhadap produktivitas tebu dan pendapatan petani dilakukan di Desa Pakiskembar, Kecamatan Pakis, Kabupaten Malang pada November 2014 sampai dengan Oktober 2015. Efektivitas aplikasi pupuk majemuk (PM) dilakukan dengan menguji tujuh dosis pupuk yakni (1) PM 1 (100 N + 50 P2O5 + 60 K2O) kg/ha + pupuk tunggal (40 N) kg/ha, (2) PM 2 (120 N + 60 P2O5 + 72 K2O) kg/ha + pupuk tunggal (40 N) kg/ha, (3) PM 3(140 N + 70 P2O5 + 84 K2O) kg/ha + pupuk tunggal (40 N) kg/ha, (4) PM 4 (100 N + 50 P2O5 + 60 K2O) kg/ha + pupuk tunggal (60 N) kg/ha, (5) PM 5 (120 N + 60 P2O5 + 72 K2O) kg/ha + pupuk tunggal (60 N) kg/ha, (6) PM 6 (140 N + 70 P2O5 + 84 K2O) kg/ha + pupuk tunggal (60 N) kg/ha, dan (7) PM 7 (80 N + 40 P2O5 + 48 K2O) + pupuk tunggal (100 N) kg/ha, (8) PM 8 (60 N + 60 P2O5 + 60 K2O) + Pupuk tunggal 120 N kg/ha (pembanding) dan (9) tanpa dipupuk (kontrol).  Pengujian menggunakan Rancangan Acak Kelompok dan diulang empat kali. Pengamatan dilakukan pada parameter pertumbuhan dan produktivitas. Hasil penelitian menunjukkan bahwa dosis pupuk majemuk (140 N + 70 P2O5 + 84 K2O) kg/ha + pupuk tunggal (60 N) kg/ha menghasilkan efektivitas agronomis relatif (RAE) 144,27%, pendapatan bersih Rp.66.720.000,-/ha, nilai R/C ratio 1,84, dan peningkatan produktivitas tebu 36% lebih tinggi dibandingkan dengan aplikasi dosis pupuk pembanding.Effectivity of compound fertilizer application on sugarcane productivity andfarmer’sIncreased productivity of sugarcane can be done through balanced fertilization. In this case, the usage of compound fertilizers is still not use widely on sugarcane crops. The research aims to evaluate the effectiveness of compound fertilizer N20P10K12 on sugarcane productivity and farmer’s income. The research was done in Pakiskembar; subdistrict Pakis, Malang in November 2014 to October 2015. Seven doses of N20P10K12 fertilizers namely (1) 100 N + 50 P + 60 K +40 N single fertilizer kg/ha, (2) 120 N + 60 P + 72 K + 40 N single fertilizer kg/ha, (3) 140 N + 70 P + 84 K + 40 N single fertilizer kg/ha, (4) 100 N + 50 P + 60 K + 60 N single fertilizer kg/ha, (5) 120 N + 60 P + 72 K + 60 N single fertilizer kg/ha, (6) 140 N + 70 P + 84 K + 60 N single fertilizer kg/ha, dan (7) 80 N + 40 P + 48 K + 100 N single fertilizer kg/ha, (8) 60 N + 60 P + 60 K + 120 N single fertilizer kg/ha (a standard fertilizer application) and control (without fertilization) arranged in a randomized block design and replicated four times. Observations were made on parameters of growth and productivity. The results showed that the fertilizer application with dose 140 N + 70 P + 84 K (compound fertilizer) + 60 N single fertilizer kg/ha gave reltive agronomic effectiveness (RAE) 144.27%, net income Rp. 66.72 million/ha, R/C 1.84, and increased productivity of sugarcane 36% higher than that of standard fertilizer application.
PERTUMBUHAN DAN PRODUKSI JARAK PAGAR (Jatropha curcas L.; Euphorbiaceae) PADA TIGA TINGKAT POPULASI TANAMAN DI LAHAN KERING BERPASIR Sri Mulyaningsih; Djumali Djumali
BERITA BIOLOGI Vol 14, No 3 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i3.1830

Abstract

Seed production of Jatropha grown on dry land is very low. Productivity could be increased by increasing plant population size. This study aimed to obtain a plant population that was capable of supporting optimum growth and seed production on sandy upland. This research was conducted at the Asembagus Experimental Station, Situbondo, East Java from January to December 2012. The planting material used were seeds and cuttings. Three populations levels: (1) 2,500 plants ha-1 (2 m x 2 m), (2) 5,000 plants ha-1 (2 m x 1 m), and (3) 10,000 plants ha-1 (1 m x 1 m ) were arranged in a randomized block design with 5 replications. Destructive observations were made in each month to measure the dry weight of plants, shoot, root, leaf, and leaf area index.The production component were observed at harvesting time by measuring dry weight of fruit, fruit skin, seeds, 1000 fruits, and 1000 seeds. Data were analyzed by analysis of variance and LSD test of 5%. Results showed that the use of 10,000 plants ha-1 could increased dry weight of plants, shoots and roots by134.0-544.6%,125.9-549.4% and 167.8-693.3% respectively. They could also increased seed production by 77.5-178.2%.
PERTUMBUHAN DAN PRODUKSI TEBU (SACCHARUM OFFICINARUM; POACEAE) PADA BERBAGAI PAKET PEMUPUKAN DI LAHAN KERING BERPASIR Supriyadi Supriyadi; Nunik Eka Diana; Djumali Djumali
BERITA BIOLOGI Vol 17, No 2 (2018)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v17i2.2287

Abstract

Improvement of cultivation technology is a part of the sugarcane intensification programs to supply the national sugar demand. Fertilization package is one component in of the of cultivation technology improvement. The research aims to obtain the information on (1) the role of Ca + Mg versus Sulfur nutrients, (2) the integration of low-dosage compound fertilizers with manure versus high-dosage compound fertilizers without manure, and (3) moderate-dosage versus very high-dosage of compound fertilizer without manure in improving productivity, sugar yield and economic benefits in sandy upland. The research was conducted in November 2012 - October 2013 at Asembagus Experimental Station, Situbondo, East Java. Four fertilizer packages was arranged in a Randomized Block Design and replicated three times. Data were analyzed by orthogonal contrast. The results showed that package of compound fertilizer containing Ca + Mg inccreased productivity (11,67%), sugar yield (15,51%) and economic benefit (293,3%) from the package of fertilizer without containing Ca + Mg with high-dosage Sulfur. Package of high-dosage compound fertilizer containing Ca + Mg without manure inccreased productivity (5.82%), sugar yield (8.26%) and economic benefit (54%) from package of low-dose fertilizer + manure. Package of very high-dosage compound fertilizer containing Ca + Mg inccreased productivity (32%), sugar yield (31,32%) and economic benefit (347,7%) from moderate-dosage fertilizer package.
PENGARUH KELEMBABAN TANAH TERHADAP KARAKTER AGRONOMI, HASIL RAJANGAN KERING DAN KADAR NIKOTIN TEMBAKAU (Nicotiana tabacum L; Solanaceae) TEMANGGUNG PADA TIGA JENIS TANAH Djumali Djumali; Sri Mulyaningsih
BERITA BIOLOGI Vol 13, No 1 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i1.648

Abstract

Research on the effect of soil moisture on agronomic characters, yield and nicotine content of Temanggung tobacco has been conducted in the Research Institute for Tobacco and Fibre Crops at Malang, East Java from March to October 2010. The treatment has been arranged in a Splitplot design with 3 replications. The experimental plot consisted of three types of soil: Complex Eutrudepts-Hapludalfs, Vitraquands, and Complex Dystrudepts-Hapludalfs. The subplot comprised 5 levels of soil moisturation: 60, 70, 80, 90, and 100% of field capacities. The results showed that the dry slice yield, content of nicotine, and agronomic characters of the Temanggung tobacco were affected by the result of interaction between soil moisture and type. The decreasing of soil moisture up to 40% from field capacity in the Complex Eutrudepts- Hapludalfs had decreased dry slice yield, nicotine content, plant height, root length, dry weight of plant, shoots, roots, stems, leaves, flowers, and suckers accounted for 54.3, 19.3, 33.7, 17.1, 74.1, 71.4, 82.3, 80.1, 54.3, 60.5 and 86.5% respectively, in the Vitraquands 72.7,20.2, 37.0, 13.2, 79.8, 78.5, 84.3, 80.7, 72.7, 63.3 and 87.8% respectively, and in the Complex Dystrudepts-Hapludalfs 74.2, 23.0, 39.6, 15.7, 79.3, 78.0, 83.6, 80.3, 74.2, 79.1 and 80.6% respectively.
UJI ADAPTASI VARIETAS UNGGUL TEBU PADA KONDISI AGROEKOLOGI LAHAN KERING / Adaptation Test of Superior Varieties Sugarcane in Dryland Agroecological Conditions BUDI SANTOSO; MASTUR MASTUR; DJUMALI DJUMALI; SUMINAR DIYAH NUGRAHENI
Jurnal Penelitian Tanaman Industri Vol 21, No 3 (2015): September 2015
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v21n3.2015.109-116

Abstract

ABSTRAKPemilihan  varietas unggul  baru  yang  beradaptasi  pada  kondisi agroekologi kering merupakan langkah yang bijak dalam mendukung program pengembangan tebu. Karena kebutuhan air tanaman tebu di lahan kering  hanya  dipenuhi  dari  hujan, diperlukan  strategi  untuk  tetap mengoptimalkan produksi dengan mengeliminasi cekaman kekeringan. Penelitian ini dilakukan dari bulan Februari sampai dengan November 2012 untuk melakukan pengujian terhadap adaptasi enam varietas unggul tebu yang toleran terhadap lahan kering. Penelitian dilaksanakan di Kebun Percobaan Ngemplak, Pati. Penelitian disusun dalam rancangan petak terbagi yang diulang sebanyak lima kali. Juringan (sistem tanam tebu dalam baris) yang digunakan berukuran panjang 8 m dan lebar 10 m, serta jarak pusat ke pusat (pkp) 1 m. Parameter yang diamati meliputi persentase tumbuh,  tinggi  tanaman,  panjang  batang,  jumlah  dan  panjang  ruas, diameter batang, bobot batang per meter, persen brix nira, dan rendemen. Hasil   penelitian   menunjukkan  bahwa  varietas  Kentung   dan   BL menghasilkan bobot tebu (721,75 g/m dan 749,25 g/m) dengan rendemen masing-masing sebesar 8,54% dan 8,25%. Kedua varietas ini cocok untuk dikembangkan pada kondisi agroekologi lahan kering.Kata kunci: Saccharum officinarum, uji adaptasi, lahan kering, varietas unggul  ABSTRACTSelection of new superior varieties adapted to dry agroecology was a wise move to support the development of sugarcane. In general, the land thus fulfilled its water from the rain. Therefore we need a strategy for optimizing the production of sugarcane by eliminating barriers. In fiscal year 2012 research activities was  carried out to test six varieties of sugarcane for sugar cane clones tolerant of dry land. Research activities were located at Ngemplak, Pati. The design used is split plot design repeated 5 times. Plot size, are 8 m long, 10 m wide and center to center distance 1 m. Data were analyzed using analysis of variance (ANOVA) followed by LSD 5%. The parameters observed were growth percentage, plant height, stem lenght, number of segments, segment length, stem diameter, weight stem per meter, percent brix of sap, and yield of sugarcane per meter. The results are superior sugarcane varieties, BL and Kentung varieties produce cane weight 721.75 g / m and 749.25 g / m showed  that  respectively;  and  yield     8.54%  and 8.25% the highest respectively. Both varieties  are s uitable to be developed in dry land agroecological condition.Keywords:  Saccharum officinarum, adaptation test, dry land, superior varieties
Pengaruh Pupuk Majemuk Berbentuk Granul dan Briket Terhadap Pertumbuhan, Produktivitas, dan Rendemen Tebu Supriyadi Supriyadi; Nunik Eka Diana; Djumali Djumali
Buletin Tanaman Tembakau, Serat & Minyak Industri Vol 9, No 1 (2017): April 2017
Publisher : Balai Penelitian Tanaman Pemanis dan Serat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.637 KB) | DOI: 10.21082/btsm.v9n1.2017.34-41

Abstract

Program intensifikasi tebu dalam rangka meningkatkan produksi dan hablur dapat dilakukan dengan penambahan hara tanah melalui aplikasi pupuk.  Penelitian ini bertujuan mengevaluasi efektivitas  pupuk majemuk NPK (22% N:12% P2O5:12% K2O) berbentuk granul dan briket terhadap pertumbuhan, produktivitas, dan rendemen tebu.  Penelitian dilakukan pada bulan November 2012-Oktober 2013 di Kebun Percobaan  Kalipare, Kabupaten Malang. Perlakuan meliputi (1) 600 kg/ha NPK granul (G1), (2) 700 kg/ha NPK granul (G2), (3) 800 kg/ha NPK granul (G3), (4) 1.000 kg/ha NPK granul (G4), (5)  600 kg/ha NPK granul (G5) + 300 kg/ha Ammonium Sulfat (AS), (6) 700 kg/ha NPK granul (G6) + 300 kg/ha AS, (7) 800 kg/ha NPK granul (G7) + 300 kg/ha AS, (8) 1.000 kg/ha NPK granul (G8) + 300 kg/ha AS, (9) 600 kg/ha NPK briket (B1), (10) 700 kg/ha NPK briket (B2), (11) 800 kg/ha NPK briket (B3), (12) 1000 kg/ha NPK briket (B4), (13) 600 kg/ha NPK briket (B5) + 300 kg/ha AS, (14) 700 kg/ha NPK briket (B6) + 300 kg/ha AS, (15) 800 kg/ha NPK briket (B7) + 300 kg/ha AS, (16)  1.000 kg/ha NPK briket (B8) + 300 kg/ha AS, (17) 600 kg/ha (N15, P15, K15) + 500 kg/ha AS (pembanding/aplikasi petani). Rancangan disusun secara acak kelompok dan diulang tiga kali. Hasil penelitian menunjukkan bahwa perlakuan B8,  B6, B7, dan G8 menghasilkan pertumbuhan, produktivitas, rendemen, dan hasil hablur lebih tinggi dibanding dengan pembandingnya. Perlakuan B6 paling efisien dalam meningkatkan produktivitas (22,29 ton/ha), hasil hablur (2,03 ton/ha) dan keuntungan (Rp11.013.120,00/ha).The Influence of Granular and Briquette Compound Fertilizers on Growth, Productivity,and Sugar Content of SugarcaneIntensification program of sugarcane in order to increase production and sugar crystal can be done with the addition of soil nutrient through fertilizer application. This study aims to evaluate the effectiveness of NPK compound fertilizer (22% N:12% P2O5:12% K2O) in the form of granular and briquettes to growth, productivity, and sugar content. The research was conducted on November 2012–October 2013 at Kalipare Experiment Station, Malang. The treatments include (1) 600 kg/ha granule NPK (G1), (2) 700 kg/ha granule NPK (G2), (3) 800 kg/ha granule NPK (G3), (4) 1,000 kg/ha NPK granule (G6) + 300 kg/ha NPK granule (G5) + 300 kg/ha Ammonium Sulphate (US), (6) 700 kg/ha NPK granule (G6) + 300 kg / ha US, (7) 800 kg / ha NPK granule (G7) + 300 kg / ha US, (8) 1,000 kg / ha granule NPK (G8) + 300 kg/ha US, (9) 600 kg/ha NPK briquettes (B1), (10) 700 kg/ha NPK briquettes (B3), (12) 1.000 kg/ha NPK briquettes (B4), (13) 600 kg/ha NPK briquettes (B5) + 300 kg/ha US, (14) 700 kg/ha NPK briquette (B6) + 300 kg/ha US, (15) 800 kg/ha NPK briquette (B7) + 300 kg/ha US, (16) 1,000 kg/ha NPK briquettes (B8) + 300 kg/ha US, (17) 600 kg/ha (N15, P15, K15) + 500 kg/ha AS (famer’s application). The experiment was arranged design in randomized block design and repeated three times. The results showed that treatments B8, B6, B7, and G8 resulted in higher growth, productivity, and sugar production compared to farmer’s application. The treatment of B6 is the most efficient in increasing productivity (22.29 ton/ha), sugar production (2.03 ton/ha), and net profit (Rp11,013,120/ha).