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All Journal Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Jurnal Penelitian Pertanian Terapan
Fadjry Djufry
Balai Pengkajian Teknologi Pertanian Sulawesi Selatan, Jl. Perintis Kemerdekaan Km. 17,5 Makassar, Sulawesi Selatan, Indonesia
Agriculture, Biological Sciences & Forestry Engineering

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ANALISIS PENGELOLAAN AIR DALAM USAHATANI PADI PADA LAHAN SAWAH IRIGASI DI SULAWESI SELATAN Taufik, Muh.; , Arafah; Nappu, Basir; Djufry, Fadjry
Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Vol 17, No 1 (2014): Maret 2014
Publisher : Jurnal Pengkajian dan Pengembangan Teknologi Pertanian

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The Water Management Analysis of Rice Farming on Irrigated Land in South Sulawesi. Efficient use of water is an important aspect to increase production and economic value of rice farming in integrated land. A study was conducted at irrigated land in the Mario village, Tanasitolo District of Wajo Regency from March to December 2012. The study used a Randomized Block Design (RBD) involving three farmer cooperators as replications. Every farmers applied water management treatments that were: (1) AWD (Alternate Wetting and Drying) wet or dry irrigation, (2) intermittent irrigation, and (3) continues irrigation (flooded). Seedlings were planted on 17 days using 2 : 1 of “legowo” cropping systems. Fertilizer application was based on soil analysis using PUTS (Phonska 200 kg + 130 kg Urea/ha). Pest and disease controlling with IPM method was also applied in this study. The results showed that the water management methods AWD produced higher growth, yield and profits than other methods. The rice productivity level was achieved by the method of AWD that was 8.3 t/ha, while intermittent and continuous irrigation methods reached only 7.8 t/ha and 7.6 t/ha, respectively. Profits earned in rice farming with AWD method was Rp16.1 million that was higher than others, which was Rp14.1 million and Rp13.4 million, respectively. The R/C of three methods of water management was more than two, meaning that all water management methods applied was feasible to be applied.Key words : Water management, rice farming,  irrigated field  Efisiensi penggunaan air merupakan aspek penting terkait dengan peningkatan produksi dan nilai ekonomi  usahatani padi di lahan sawah irigasi. Pengkajian dilaksanakan di lahan sawah irigasi Desa Mario, Kec. Tanasitolo, Kab. Wajo Sulawesi Selatan  pada bulan Maret- Desember 2012. Kajian menggunakan Rancangan Acak Kelompok (RAK)  dengan melibatkan 3 orang petani  kooperator  sebagai ulangan. Setiap petani menerapkan perlakuan pengelolaan air: (1) AWD (Alternate Wetting and Drying) atau pengairan basah kering, (2) intermitten atau pengairan berselang, dan (3) pengairan terus menerus (tergenang). Bibit ditanam umur 17 hari dengan sistem tanam legowo 2:1, pemupukan didasarkan pada analisis tanah dengan Perangkat Uji Tanah Sawah (PUTS) 200 kg phonska + 130 kg Urea/ha. Pengendalian hama/penyakit dilakukan dengan metode Pengendalian Hama Terpadu (PHT). Hasil penelitian menunjukkan bahwa pengelolaan air dengan metode AWD menghasilkan pertumbuhan, produksi dan keuntungan yang lebih tinggi dibandingkan dengan pemberian air secara intermitten dan terus menerus (tergenang). Tingkat produktivitas padi yang dicapai dengan  metode AWD adalah  8,3 t/ha, sedangkan pengairan intermitten dan terus menerus  menghasilkan masing-masing 7,8 t/ha dan 7,6 t/ha. Keuntungan yang diperoleh dalam usahatani padi  dengan metode AWD mencapai Rp16,1 juta/ha, sedang pengelolaan air dengan metode intermitten dan pengairan tergenang masing-masing menghasilkan Rp14,1/ha juta dan Rp13,4 juta/ha. R/C  ketiga metode pengelolaan air masing-masing > 2,0 yang  berarti metode tersebut layak diterapkan.   Kata kunci : Pengelolaan air, usahatani padi, sawah irigasi      
EFEKTIVITAS PUPUK MAJEMUK DAN ASAM HUMAT PADA BUDIDAYA KENTANG DI KABUPATEN GOWA SULAWESI SELATANFadjry Djufry Djufry, Fadjry; ,, Nurjanani; ,, Ramlan
Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Vol 17, No 2 (2014): Juli 2014
Publisher : Jurnal Pengkajian dan Pengembangan Teknologi Pertanian

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Effectiveness of Compond Fertilizer and Humid Acid in Potato Cultivation in the Gowa District, South Sulawesi. The organic fertilizer recommendation for potato cultivation ranged 10-30 t/ha. This dose is too high, because the farmers has to bear high cost for other agroinput and labor. Application of humic acid (HA) is one alternative that can replace the function of organic fertilizer. When it is compared to organic manure, HA is faster in fertilizing the soil 10 times or 200 times more efficient than that of manure (50 kg of HA is equivalent to 10 t ha of manure). The use of HA is expected to increase the efficiency use of NPK 25-50%. This study aimed to determine proper doses of Super NPK fertilizer and HA that gave the highest growth and yield of potatoes. The experiment was conducted in the Village Pattapang, District Tinggi Moncong, Gowa regency, South Sulawesi, at an altitude of 1,100 m above sea level on June through December 2011. The research used split plot design with three replications. The main plot consisted three levels of NPK Super, i.e. 300 kg/ha, 450 kg/ha and 600 kg/ha. Subplot HA comprised three levels that were 0, 0.75%, and 1.5%. The results showed that the application of various doses and percentages of Super NPK and HA had no effect on plant height, but it did with the width of the canopy and the production of potato plants. Highest potato production obtained in Super NPK fertilization 300 kg / ha and HA 1.5% (16.47 t/ha). Application of HA on the potato crop fertilization was able to save of NPK fertilizer up to 50%. Application of Super NPK at 300 kg/ha + 1.5% HA was able to give a profit of Rp73.481.339/ha with the RC ratio of 2.75.Keywords: Potato, compound, humic acid, effectiveness, farming analysisABSTRAKRekomendasi pupuk organik untuk usahatani kentang yang berkisar antara 10-30 t/ha dirasakan terlalu berat oleh petani, karena akan membutuhkan biaya cukup tinggi untuk membeli agroinput lainnya. Aplikasi asam humat (AH) merupakan salah satu alternatif yang dapat menggantikan fungsi pupuk organik. Jika dibandingkan dengan pupuk kandang, asam humat lebih cepat menyuburkan tanah 10 kali atau 200 kali lebih efisien dibandingkan pupuk kandang (50 kg asam humat setara 10 t pupuk kandang). Penggunaan AH diharapkan dapat meningkatkan efisiensi pupuk NPK sekitar 25-50%. Penelitian ini bertujuan, mendapatkan takaran pupuk NPK Super dan AH yang tepat terhadap pertumbuhan dan produksi kentang. Penelitian dilaksanakan di Kelurahan Pattapang, Kecamatan Tinggi Moncong, Kabupaten Gowa, Sulawesi Selatan dengan altitud 1.100 m dpl. Penelitian dilaksanakan pada Juni hingga Desember 2011. Penelitian menggunakan Rancangan Petak Terpisah dengan tiga ulangan. Petak utama terdiri atas tiga level pupuk NPK Super, yaitu 300 kg/ha, 450 kg/ha, dan 600 kg/ha. Anak petak terdiri atas tiga level HA, yaitu 0; 0,75%; dan 1,5%. Hasil penelitian menunjukkan bahwa aplikasi berbagai dosis NPK Super dan presentase HA tidak berpengaruh nyata terhadap tinggi tanaman, tetapi berpengaruh nyata terhadap lebar kanopi dan produksi tanaman kentang. Produksi kentang tertinggi diperoleh pada perlakuan pemupukan NPK Super 300 kg/ha + AH 1,5%. Penambahan AH pada tanaman kentang dapat menghemat penggunaan pupuk NPK sebesar 50%. Usahatani kentang dengan pemupukan NPK Super 300 kg/ha + AH 1,5% dapat memberikan keuntungan Rp73.481.339/ha dengan RC rasio 2,75.Kata kunci: Kentang, pupuk majemuk, asam humat, efektivitas, analisis usaha tani
Pembentukan Varietas Kedelai Tahan Cekaman Air Dari Genotipe Hasil Mutasi Gen Generasi Mutan Kedua (M2) Dengan Potensi Hasil Yang Tinggi Aminah, Aminah; Djufry, Fadjry; Edy, Edy; Abdullah, Abdullah; Nuraeni, Nuraeni; Numba, Sudirman; Palad, Marliana S.; Syam, Amiruddin; Sahur, Asmiaty
Jurnal Penelitian Pertanian Terapan Vol 23 No 4 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i4.3156

Abstract

The aim of the study was to obtain second generation mutant lines (M2) from three gene-mutated soybean seeds, namely M2 Anjasmoro, M2 Argomulyo and M2 Dena-1 which are tolerant to drought stress, water saturation stress and high yield potential. The research was carried out in the Maros district, South Sulawesi, July-November 2022, arranged in a split plot design. The main plot is the application of water consisting of three levels, namely selection of drought stress (C1), selection of water saturation stress (C2) and selection of optimum conditions (C3). Subplots are three second generation soybean seeds resulting from gene mutations (M2), namely: M2 Anjasmoro, M2 Argomulyo and M2 Dena-1. The results showed that the best plant agronomic characters for growth and production factors were M2 Anjasmoro for water saturation stress treatment and M2 Argomulyo and M2 Dena-1 for drought stress treatment. The fastest harvesting age was obtained from the combination of drought stress and M2 Argomulyo, namely 79 days and not significantly different from the combination of drought stress and M2 Dena-1, namely 79.34 days, but significantly different from the other treatment combinations. The production obtained from the seeds resulting from the second generation of gene mutations has begun to show a difference between those given the mutation treatment and their parents, where the combination of water saturation stress and M2 Anjasmoro gave the highest production of 3.20 tonnes/ha higher than the production of its parents which only reached 2. .03-2.25 tonnes/ha. Generation M2 Argomulyo seeds were the longest surviving seeds to recovery from drought stress (38 days), in the sense that M2 Argomulyo seeds were more resistant to drought stress than the other two generations of seeds, namely M2 Anjasmoro (36 days) and M2 Dena-1 (37 days). Meanwhile, the resistance to water saturation was shown by M2 Dena-1 generation seeds, namely 40.67 days, followed by M2 Argomulyo 29.67 days and M2 Anjasmoro 27.33 days.
Co-Authors Abdullah Abdullah Alouw, Jelfina C. Aminah Aminah AMIRUDDIN SYAM Arafah Basir Nappu Edy Edy Maskromo, Ismail Muh. Taufik Nuraeni Nuraeni Nurjanani , Palad, Marliana S. Ramlan , Sahur, Asmiaty Sudirman Numba