Sri Nuryani Hidayah Utami, Sri Nuryani Hidayah
Jurusan Ilmu Tanah, Fakultas Pertanian, Universitas Gadjah Mada, Jl. Flora, Bulaksumur, Depok, Sleman, Yogyakarta 55281, Indonesia, Telp./fax.: (0274) 563062

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The Effects of Filter Cake and Bagasse Ash to Growth and NPK Uptake by Sugarcane (Saccharum Officinarum L.) at Ultisols in Tulang Bawang, Lampung, Indonesia Soegianto, Heri; Nurudin, Makruf; Utami, Sri Nuryani Hidayah; Ma’as, Azwar
Jurnal Ilmu Pertanian Vol 2, No 3 (2017): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1205.862 KB) | DOI: 10.22146/ipas.30098

Abstract

The available soils for surgarcane plantation is Ultisols. However, the Ultisols has some limitations on its chemical fertility. Efforts to improve the quality of the soil can be done with applying organic matter such as filter cake and bagasse ash resulting from the process of making sugar from sugarcane. This study was proposed to determine the effects of bagasse ash and filter cake to availabilities of NPK in the soil and NPK uptakes by sugarcane, so that they were expected to be able to improve maximum sugarcane growth in Ultisols in Tulang Bawang. This field research used completely randomized design with two factors. The first factor was the bagasse ash doses in four levels: without bagasse ash (A0), 10 ton/ha of dry bagasse ash (A1), 20 ton/ha of dry bagasse ash (A2), and 40 ton/ha of dry bagasse ash (A3). The second factor was the filter cake doses in four levels: without filter cake (B0), 20 ton/ha of dry filter cake (B1), 40 ton/ha of dry filter cake (B2), and 80 ton/ha of dry filter cake (B3). There were a total of 16 combinations of treatment with 3 blocks as repetitions. Data were analyzed by using F-test with 5% significance. When analysis result showed significant differences between treatments, it was then followed by DMR test with 5% significance level for normal data. The results showed that the improvement of NPK status of Ultisols in Lampung might be achieved by applying the filter cake and bagasse ash techniques. Some results of this study showed that treatment of 40 ton/ha bagasse ash for NPK uptakes was significantly different and higher than without bagasse ash treatment. Treatment of 80 ton/ha filter cake for NPK uptakes was significantly different and higher than without filter cake treatment. The highest N uptake (27.84 kg/ha) was in sugarcane at 2 MAP with 80 ton/ha filter cake treatment. The highest P uptake (11.59 kg/ha) was in sugarcane at 2 MAP with 40 ton/ha bagasse ash treatment. The highest K uptake (117.67 kg/ha) was in sugarcane at 8 MAP with 80 ton/ha filter cake treatment. Treatment of 80 ton/ha filter cake influenced significantly to the sugarcane height compared to without filter cake and 20 ton/ha filter cake treatment, but it did not differ significantly compared to 40 ton/ha filter cake treatment. The highest sugarcane (167.99 cm) was at 80 ton/ha filter cake treatment. Filter cake dose treatments did not influence significantly the numbers of saplings and stem diameter of sugarcane aged 8 MAP.
The Effects of Doses and Methods of Lime Placement to N, P, K, Ca, Mg Content and Sugarcane Growth in Ultisol Lampung Tengah, Indonesia Wahyudi, Heri; Hanudin, Eko; Utami, Sri Nuryani Hidayah; Ma’as, Azwar
Jurnal Ilmu Pertanian Vol 3, No 3 (2018): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2478.844 KB) | DOI: 10.22146/ipas.30097

Abstract

Land circumstances on Seputih Mataram, Lampung included in dried area which is consist of Ultisols soil (soil taxonomy). Ultisol consist of H2O which has pH of less than 5.5. It will cause the amount of soil nutrient that absorbed is not optimal yet. This research aimed to know the influence of adding dolomite to the soil chemical content (pH number of H2O, KCl, content of total N, available P, exch-K, exch-Ca, exch-Mg, Organic-C, ratio C/N, exch-Al, exch-H, CEC), nutrient content on the leaf (such as N, P, K, Ca, Mg) and sugar cane physic. This research used Completely Randomized Design 2 factors with 3 blocks repetition. First factor was the dolomite doses in six contents: without the dolomite (K0), 500 kg/ha (K1), 1000 kg/ha (K2), 2000 kg/ha (K3), 4000 kg/ha (K4) and 6000 kg/ha (K5). The second factor (R) was the depth of dolomite placement, consist of: (R1) dolomite with 0-20 cm depth and (R2) dolomite with 20-40 cm depth. The observation used to know the soil chemical content, the leaf nutrients and the variables that used into the research. The observation results variant analyzed (ANOVA) in 5 % and continued with the Duncan’s Multiple Range Test (DMRT) in 5 % if the result showed the real differentiation. The result showed that the depth of dolomite was not real influence to the amount of Nitrogen (N), Phosphorus (P), Potassium (K), Calcium (Ca), and Magnesium (Mg) in leaf. Dolomite addition was real influence for Calcium (Ca) uptake in leaf, but it was not real influenced the leaf uptake. Dolomite addition was real influence in the leaf content and leaf Magnesium (Mg) uptake. 6000 kg/ha dolomite for physical soil characteristic ( pH H2O, pH KCL, C/N ratio, K, P, Ca, Mg,Exch-H), leaf nutrient ( N, K, Ca), Mg and Ca uptake on leaf also sugar cane tonnage per hectare showed the maximum result.
The Effects of Filter Cake and Bagasse Ash to Growth and NPK Uptake by Sugarcane (Saccharum Officinarum L.) at Ultisols in Tulang Bawang, Lampung, Indonesia Soegianto, Heri; Ma’as, Azwar; Nurudin, Makruf; Utami, Sri Nuryani Hidayah
Jurnal Ilmu Pertanian Vol 2, No 3 (2017): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1205.862 KB) | DOI: 10.22146/ipas.30098

Abstract

The available soils for surgarcane plantation is Ultisols. However, the Ultisols has some limitations on its chemical fertility. Efforts to improve the quality of the soil can be done with applying organic matter such as filter cake and bagasse ash resulting from the process of making sugar from sugarcane. This study was proposed to determine the effects of bagasse ash and filter cake to availabilities of NPK in the soil and NPK uptakes by sugarcane, so that they were expected to be able to improve maximum sugarcane growth in Ultisols in Tulang Bawang. This field research used completely randomized design with two factors. The first factor was the bagasse ash doses in four levels: without bagasse ash (A0), 10 ton/ha of dry bagasse ash (A1), 20 ton/ha of dry bagasse ash (A2), and 40 ton/ha of dry bagasse ash (A3). The second factor was the filter cake doses in four levels: without filter cake (B0), 20 ton/ha of dry filter cake (B1), 40 ton/ha of dry filter cake (B2), and 80 ton/ha of dry filter cake (B3). There were a total of 16 combinations of treatment with 3 blocks as repetitions. Data were analyzed by using F-test with 5% significance. When analysis result showed significant differences between treatments, it was then followed by DMR test with 5% significance level for normal data. The results showed that the improvement of NPK status of Ultisols in Lampung might be achieved by applying the filter cake and bagasse ash techniques. Some results of this study showed that treatment of 40 ton/ha bagasse ash for NPK uptakes was significantly different and higher than without bagasse ash treatment. Treatment of 80 ton/ha filter cake for NPK uptakes was significantly different and higher than without filter cake treatment. The highest N uptake (27.84 kg/ha) was in sugarcane at 2 MAP with 80 ton/ha filter cake treatment. The highest P uptake (11.59 kg/ha) was in sugarcane at 2 MAP with 40 ton/ha bagasse ash treatment. The highest K uptake (117.67 kg/ha) was in sugarcane at 8 MAP with 80 ton/ha filter cake treatment. Treatment of 80 ton/ha filter cake influenced significantly to the sugarcane height compared to without filter cake and 20 ton/ha filter cake treatment, but it did not differ significantly compared to 40 ton/ha filter cake treatment. The highest sugarcane (167.99 cm) was at 80 ton/ha filter cake treatment. Filter cake dose treatments did not influence significantly the numbers of saplings and stem diameter of sugarcane aged 8 MAP.
Pelaksanaan Program Upaya Khusus (UPSUS) Swasembada Pangan di Kabupaten Wonosobo Provinsi Jawa Tengah Nugroho, Agus Dwi; Utami, Sri Nuryani Hidayah; Yuslianti, Yunri; Nurrokhmah, Laeli; Al Huda, Muhammad Agung; Suryani, Lilis; Riyadi, Ircham; Ulfaizah, Ulfaizah; Septijono, Tri; Adhini, Hanifah Albana Nur
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 3, No 1 (2017): September
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpkm.27345

Abstract

The purposes of this activity are 1) the diffusion and testing of cultivation agricultural technology to farmers and 2) to know the problems of UPSUS activities and gives solution to solve it. The activities held on April to July 2017 in Wonosobo Regency and the areas which selected are the Wonosobo, Kalikajar and Sapuran District. Methods for this activity are training and assistance of farmer groups, supervision of agricultural machinery and subsidized seeds aid, provision of balanced fertilizers application, arrange of planting season, rehabilitation of tertiary irrigation, supervision of planting realization; land optimization, and demonstration plots. The results of this activity are providing knowledge for farmers about Salibu and organic rice cultivation, balanced fertilizer, planting according to the planting calendar and providing farmer group’s data that will obtain farmer card; providing information to the Department of Agriculture and Food Crop Wonosobo Regency about the agricultural machinery equipment assistance is still not maximized but the activities of providing subsidized seed, balanced fertilizer and rehabilitation tertiary irrigation have been running well. Some problems in the implementation of UPSUS are the time is too short, agricultural machinery equipment aid is not appropriate, the quality of seed aid is not good, the target program of Luas Tambah Tanam is too high and many PPL and farmers do not understand about Salibu. To improve of UPSUS, the government should prioritize the bottom up principle for all kinds of aids or programs; and socialize the new technology system to PPL and farmers.
Penerapan Teknologi Tepat Guna Padi Sawah Spesifik Lokasi di Dusun Ponggok, Trimulyo, Jetis, Bantul Utami, Sri Nuryani Hidayah; Priyatmojo, Achmadi; Subejo, Subejo
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 1, No 2 (2016): Maret
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpkm.10610

Abstract

The role of technology is very important in supporting improvement of agricultural production. The high-tech strategic role was demonstrated by the success in achieving increased production of rice within the last 35 years is the contribution of the application of more advanced technology. Mosher et al. (2003) put technology as an essential condition for agricultural development. If there is no change in the technological development of agriculture was halted. Production halted the increase, it may even decline because of declining fertility tannic or because of damage increased by pest play an increasingly rampant. A view to changing the technology, can be interpreted as an adaptive technology on the condition of the biophysical and social environment of the local culture. Practical application of specific technologies by farmers, for example how farmers adjust to the conditions of cultivation of local agro-ecosystem forming a specific production system on irrigated land, rainfed lowland, upland, swampy areas, and tidal. Choice according to agro-ecosystem farmers are adapting cultivation is calibration-specific technologies. It’s caused each commodity grows well on climatic conditions, soil and culture-specific social support. Community service activities has been implementing the specific technology that is enriched with appropriate technology research team of the Faculty of Agriculture of UGM by utilizing site-specific conditions of Ponggok Hamlet, Trimulyo, Jetis, Bantul, which have ingredients that can be used for making fertilizer and also wisdom locations in rice cultivation which has been done by farmers for generations. Community Service Team of Faculty of Agriculture, UGM during 2013-2015 had engaged in community service based on the results of research and appropriate technologies in Ponggok Hamlet, for 2 seasons seen significant progress and participation of farmers. In 2013 the results of the demonstration plot tile average of 6.8 tons/ha, after continuous mentoring and counseling in 2014 the results of tile becomes 7.8 to 9.8 tons/ha. Activities application of appropriate technology in a farmer’s land is not easy. Although guidance and counseling has been done before, but not all farmers want and dare to carry out all of the technology that is recommended because it is still in doubt, especially with regard to plant spacing, seed age and the number of seedlings planted. In 2015, a technology package has been introduced covering healthy seedlings, planting system “footprint tiger”, “tajarwo”, homemade compost with waste around the site and biological fertilizers. The results of the application of specific technologies in the growing season of April to July 2015 showed an increase in rice production, but the farmer as a principal factor remains the key to successful application of the technology.
EVALUASI LAHAN UNTUK DASAR PENGEMBANGAN PERTANIAN TANAMAN SEMUSIM (Kasus di Raumoco Lautem Timor Leste) Da Costa, Antonio Joao; Sunarminto, Bambang Hendro; Gunawan, Totok; Utami, Sri Nuryani Hidayah
JURNAL GALUNG TROPIKA Vol 4, No 2 (2015)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (19.014 KB) | DOI: 10.31850/jgt.v4i2.104

Abstract

Penelitian bertujuan untuk menilai kualitas, karakteristik, potensi, kendala,  kesuburan dan kesesuaian lahan untuk tanaman padi (lahan kering) dan palawija (kedelai). Evaluasi lahan untuk tujuan ini telah dilakukan survei tanah dengan sistem satuan lahan di Raumoco (sub-distrik Lautem dan Luro) distrik Lautem Timor Leste sejak Oktober 2013 hingga Januari 2015. Luas lahan yang disurvei 4603,8 ha dengan 11 satuan tanah (SPT) yang peroleh melalui proses sistem digitasi overlay peta tanah, iklim dan litologi. Tiap SPT diwakili 1 profil tanah. Sampel tanah dianalisis di laboratorium Jurusan Tanah Fakultas Pertanian UGM. Hasil klasifikasi tanah berdasarkan Kys to Soil Taxonomy (SSS, 2010), sub-distrik Lautem dan Luro termasuk Haplustalf (10,7%),Ustipsament (11,1%), Ustifluvent (5,0%), Calsiustoll (14,0%), Haplustept (40,5%) dan Haplustoll (18,7%). Tanah-tanah tersebut berkembang di bawah curah hujan 1.044,7 mm/tahun, suhu udara rata-rata berkisar 22,1-30,9oC dengan regim suhu isotermik dan kelembaban tanah ustik. Aspek tanah dan iklim serta faktor lingkungan fisik lainnya (lereng, batuan, erosi dan banjir). Penilaian kesuburan tanah dengan sistem FCC, sub-distrik Lautem dan Luro tergolong rendah sampai tinggi. Persentasi luas lahan tergolong kesuburan tanah rendah (R)= 21,6%, sedang (S) = 37,9% dan tinggi (T) = 40,5%. Kendala utama kesuburan tanah adalah kekeringan kelengasan tanah; evaluasi kesesuaian lahan dengan sistem Sys dan LPT Bogor. Hasil penilaian kesesuaian lahan untuk padi, dan kedelai  dengan sistim Sys masing-masing 72,5% sesuai (S) dan 27,5% tidak sesuai (N) pada kondisi aktualdan potensial. Kesesuaian lahan untuk tanaman tersebut pada kondisi aktual terdapat 16,2% S dan 83,9% N berubah menjadi 25,3% S dan 74,7% N seetelah adanya perbaikan lahan (potensial). Usaha perbaikan lahan mampu meningkatkan kelas kesesuaian lahan sebesar 9,2%. Informasi kesuburan tanah dan kesesuaian lahan sebagai dasar dalam pengembangan tanaman terpilih dalam penilitian ini di Lautem dan Luroterutama di SPT-17 dan 18 dengan mempertimbangkan kendala utama kesuburan tanah. Perlu adanya irigasi tambahan dan penanaman  palawija di awal musim hujan dengan pola tanam tumpang sari.
Effect of salted fish waste and cow manure on NPK availability and uptake of lowland rice on peat soil in Pelalawan Riau Ompusunggu, Dian Syafitri; Purwanto, Benito Heru; Wulandari, Cahyo; Utami, Sri Nuryani Hidayah
Jurnal Ilmu Pertanian Vol 5, No 1 (2020): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.47281

Abstract

The low yield of rice in thick peat can be overcome by provisioning complete nutrients. Various efforts have been made to increase the productivity of Indonesian peatlands, one of which is by adding salted fish waste and cow manure. This research was carried out on a plastic house scale from October 2017 to January 15, 2018, in Pelalawan District, Pelalawan Regency, Riau. This research was arranged in a Completely Randomized Design (CRD), consisting of eight treatments, namely L0 = Control, L1 = 1.5 ton.ha-1 of fish waste, L2 = 2.25 ton.ha-1 of fish waste, L3 = 7 tons/ha of cow manure, L4 = 15 ton.ha-1 of cow manure, L5 = 1.5 ton.ha-1 of fish waste + 7 ton.ha-1 of cow manure, L6 = 1.5 ton.ha-1 of fish waste + 15 ton.ha-1 of cow manure, L7 = 2. 25 ton.ha-1 of fish waste + 7 ton.ha-1 of cow manure, and L8 = 2.25 ton.ha-1 of fish waste + 15 ton.ha-1 of cow manure. The results showed that the application of cow manure and salted fish waste could increase soil pH, total NPK, and NPK uptake. The application of 2.25 tons/ha of fish waste and 15 tons/ha of cow manure resulted the best results in soil pH, total NPK, and NPK uptake, therefore it is recommended for the cultivation of lowland rice on peat soil.
KADAR HARA PADA PENAMBAHAN PUPUK KANDANG DAN SILIKA PADA TANAH SUPRESIF DAN KONDUSIF LAYU FUSARIUM PADA PISANG Somala, Medina Uli Alba; Utami, Sri Nuryani Hidayah; Wibowo, Arif; Subandiyah, Siti
Plumula : Berkala Ilmiah Agroteknologi Vol 6 No 2 (2018): Berkala Ilmiah Agroteknologi Plumula
Publisher : UPN VETERAN JAWA TIMUR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (463.277 KB) | DOI: 10.33005/plumula.v6i2.7

Abstract

Fusarium wilt in bananas is caused by Fusarium oxysporum f.sp. cubense (Foc). Foc is one of the soil-borne pathogens. The intensity of disease attacks in different conditions with very severe is conducive soil. Suppressive soil can suppress and control the rate of development of soil-borne pathogens. The aims of this study are to determine the physical and chemical properties of soil and environment against fusarium wilt and find out the effects and levels of nutrients from the addition of manure and silica to fusarium banana wilt. Supressive soil samples from Sarampad, Cianjur and conducive soil from Salaman, Magelang. Ambon Kuning banana cultivar derived from tissue culture were planted to find out effects of manure and silica against fusarium wilt. Suppressive soil has higher soil chemist including neutral pH, sandy loam of texture class, total N, total P, organic C, organic matter, available Si than conducive soil. Manure and silica addition have significantly suppressed fusarium wilt on suppressive soil. The final experiment suppressive soil has higher total N, total K, organic C and organic matter than conducive soil.
Pelaksanaan Program Upaya Khusus (UPSUS) Swasembada Pangan di Kabupaten Wonosobo Provinsi Jawa Tengah Nugroho, Agus Dwi; Utami, Sri Nuryani Hidayah; Yuslianti, Yunri; Nurrokhmah, Laeli; Al Huda, Muhammad Agung; Suryani, Lilis; Riyadi, Ircham; Ulfaizah, Ulfaizah; Septijono, Tri; Adhini, Hanifah Albana Nur
Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 3, No 1 (2017): September
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (981.191 KB) | DOI: 10.22146/jpkm.27345

Abstract

The purposes of this activity are 1) the diffusion and testing of cultivation agricultural technology to farmers and 2) to know the problems of UPSUS activities and gives solution to solve it. The activities held on April to July 2017 in Wonosobo Regency and the areas which selected are the Wonosobo, Kalikajar and Sapuran District. Methods for this activity are training and assistance of farmer groups, supervision of agricultural machinery and subsidized seeds aid, provision of balanced fertilizers application, arrange of planting season, rehabilitation of tertiary irrigation, supervision of planting realization; land optimization, and demonstration plots. The results of this activity are providing knowledge for farmers about Salibu and organic rice cultivation, balanced fertilizer, planting according to the planting calendar and providing farmer group’s data that will obtain farmer card; providing information to the Department of Agriculture and Food Crop Wonosobo Regency about the agricultural machinery equipment assistance is still not maximized but the activities of providing subsidized seed, balanced fertilizer and rehabilitation tertiary irrigation have been running well. Some problems in the implementation of UPSUS are the time is too short, agricultural machinery equipment aid is not appropriate, the quality of seed aid is not good, the target program of Luas Tambah Tanam is too high and many PPL and farmers do not understand about Salibu. To improve of UPSUS, the government should prioritize the bottom up principle for all kinds of aids or programs; and socialize the new technology system to PPL and farmers.
Penerapan Teknologi Tepat Guna Padi Sawah Spesifik Lokasi di Dusun Ponggok, Trimulyo, Jetis, Bantul Utami, Sri Nuryani Hidayah; Priyatmojo, Achmadi; Subejo, Subejo
Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 1, No 2 (2016): Maret
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (439.442 KB) | DOI: 10.22146/jpkm.10610

Abstract

The role of technology is very important in supporting improvement of agricultural production. The high-tech strategic role was demonstrated by the success in achieving increased production of rice within the last 35 years is the contribution of the application of more advanced technology. Mosher et al. (2003) put technology as an essential condition for agricultural development. If there is no change in the technological development of agriculture was halted. Production halted the increase, it may even decline because of declining fertility tannic or because of damage increased by pest play an increasingly rampant. A view to changing the technology, can be interpreted as an adaptive technology on the condition of the biophysical and social environment of the local culture. Practical application of specific technologies by farmers, for example how farmers adjust to the conditions of cultivation of local agro-ecosystem forming a specific production system on irrigated land, rainfed lowland, upland, swampy areas, and tidal. Choice according to agro-ecosystem farmers are adapting cultivation is calibration-specific technologies. It’s caused each commodity grows well on climatic conditions, soil and culture-specific social support. Community service activities has been implementing the specific technology that is enriched with appropriate technology research team of the Faculty of Agriculture of UGM by utilizing site-specific conditions of Ponggok Hamlet, Trimulyo, Jetis, Bantul, which have ingredients that can be used for making fertilizer and also wisdom locations in rice cultivation which has been done by farmers for generations. Community Service Team of Faculty of Agriculture, UGM during 2013-2015 had engaged in community service based on the results of research and appropriate technologies in Ponggok Hamlet, for 2 seasons seen significant progress and participation of farmers. In 2013 the results of the demonstration plot tile average of 6.8 tons/ha, after continuous mentoring and counseling in 2014 the results of tile becomes 7.8 to 9.8 tons/ha. Activities application of appropriate technology in a farmer’s land is not easy. Although guidance and counseling has been done before, but not all farmers want and dare to carry out all of the technology that is recommended because it is still in doubt, especially with regard to plant spacing, seed age and the number of seedlings planted. In 2015, a technology package has been introduced covering healthy seedlings, planting system “footprint tiger”, “tajarwo”, homemade compost with waste around the site and biological fertilizers. The results of the application of specific technologies in the growing season of April to July 2015 showed an increase in rice production, but the farmer as a principal factor remains the key to successful application of the technology.