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All Journal AGRIVITA, Journal of Agricultural Science SAINS TANAH - Journal of Soil Science and Agroclimatology Agrosains: Jurnal Penelitian Agronomi Caraka Tani: Journal of Sustainable Agriculture Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) PRIMA: Journal of Community Empowering and Services AgriHealth: Journal of Agri-food, Nutrition and Public Health
Slamet Minardi
Soil Science Department, Faculty of Agriculture, Sebelas Maret University, Surakarta
Agriculture, Biological Sciences & Forestry Education Engineering Environmental Science Health Professions Public Health

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Effect of Fast Dissolved Phosphorus Fertilizer on the Growth, Seed Product, and Phosphorus Uptake Efficiency of Soybean (Glycine max L.) Cahyono, Ongko; Minardi, Slamet
AGRIVITA, Journal of Agricultural Science Vol 44, No 1 (2022)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v44i1.3002

Abstract

The appropriate method of P fertilizer application is very important for the efficiency of P uptake and yield improvement. This research aimed to assess the growth response, seed product, and P uptake efficiency of soybean to the application of fast dissolved phosphorus fertilizer. Two consecutive potted experiments under greenhouse condition were conducted using Alfisols from Jumantono Karanganyar as planting media. The soybeans were planted and treated with six doses of P fertilizer. The treatments were designed in a completely randomized experiment with 5 replications. In the first experiment, the plants were harvested at the maximum vegetative growth for measurement of plant growth components and P uptake. In the second experiment, the plants were harvested at optimum grain maturity for seed yield and P efficiency measurements. The results showed that the application of fast dissolved-P fertilizer improved plant growth, seed yield and P uptake efficiency. Fast dissolved-P fertilizer was optimum at a dose of 100 kg/ha which was applied in a split application method at 0, 15, and 30 days after planting. However further field research is necessary to confirm the results.
Mapping of Land Suitability for Growing Tobacco (Nicotiana tabacum L.) Under Various Slope Using Geographic Information Systems Mujiyo, Mujiyo; Irawaningsih, Daradinda Surya; Minardi, Slamet; Cahyono, Ongko
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 13 No. 2 (2024): June 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i2.572-580

Abstract

The study aims to identify the classes and the determinant factors of land suitability of Tobacco in order to provide recommendations for land management as an effort in increasing the development of Tobacco in Eromoko District, Wonogiri Regency, Indonesia. This research used a descriptive-exploratory approach by field surveys, laboratory analysis, and matching the data with growth requirement characteristics for Tobacco crops. The field survey was carried out based on a working map, namely the Land Mapping Unit (LMU), overlaid maps of soil type, slope, and rainfall. Research results illustrated that 18 LMUs were included in the marginally suitable class (S3) (4,968.78 ha, about 51% of research area) with limiting factors wa; oa; nr; na; eh, and 8 LMUs were included in the unsuitable class (N) (4,919.11 ha, about 49% of research area) with limiting factors N and eh. This study provide information about the land suitability class and the limiting factors each area to determine the potential success of Tobacco cultivation and make suitable improvement efforts. Keywords: Hilly land, Land management, Limiting factors, Sustainable agriculture, Tobacco growth potential.
Soil quality status under Hazton’s paddy farming: A case study in Banyumas Regency, Indonesia Supriyadi, Supriyadi; Ustiatik, Reni; Mukti, Brilliant; Minardi, Slamet; Widijanto, Hery; Sakti, Muchammad Bima Gegana
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 19, No 2 (2022): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v19i2.58375

Abstract

Soil quality is the ability of the soil to perform its function, such as providing nourishment to the plants. However, intensive paddy farming, such as Hazton’s paddy farming method, is suspected to deteriorate soil quality status and degrade land sustainability. This study aimed to analyze soil quality under Hazton’s paddy farming. This study was conducted on paddy fields in Banyumas Regency using a randomized block design with treatment consisting of 1) conventional method as a control, 2) Hazton’s method + organic fertilizer, 3) Hazton’s method + organic fertilizer + decomposer, and 4) Hazton’s method + organic fertilizer + decomposer + leaf fertilizer. Soil quality was determined according to a minimum data set (MDS) that consisted of organic C, pH, total N, available phosphorus (P) and potassium (K), base saturation (BS), cation exchange capacity (CEC), bacterial density, soil respiration, and C/N ratio. The MDS was scored and calculated using the soil quality index formula and then classified from very low to very high (<0.19-1). This study highlighted that the soil quality in paddy farm using Hazton’s method in Banyumas Regency ranged from low (0.444) to very low (0.308). The application of organic fertilizer is not sufficient enough to refill the nutrient pool equal to harvested plant biomass. This leads to soil quality deterioration and affects land sustainability. Therefore, yield and biomass production should be included as soil quality indicators in future studies. Additionally, further soil degradation can be avoided by continuously assessing soil quality and the necessary conservation measures for preventing and minimizing further land degradation can be applied.
Soil Fertility Status, Nutrient Uptake, And Soybean Yield Following OrganicPLUS Fertilizer Application On Alfisol Minardi, Slamet; Sudadi, Sudadi; Cahyono, Ongko; Cahyani, Vita Ratri; Maro'ah, Siti; Haniati, Isna Luthfa; Wijaya, Lidya Zaela
Agrosains : Jurnal Penelitian Agronomi Vol 25, No 2 (2023): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v25i2.82987

Abstract

This study aims to assess the impact of Organic FertilizerPlus on soil fertility status, nutrient uptake, and soybean yield in Alfisol. The research employs a randomized complete group design (RCGD) with a single factor, consisting of P0 (Control), P1 (Cow dung, 5 tons ha-1 + Zeolite dose of 2.5 tons ha-1), P2 (Cow dung, 5 tons ha-1 + Zeolite dose of 5 tons ha-1), P3 (Cow dung, 5 tons ha-1 + Dolomite dose of 2.5 tons ha-1), P4 (Cow dung, 5 tons ha-1 + Dolomite dose of 5 tons ha-1), and P5 (Cow dung, 5 tons ha-1 + Zeolite dose of 5 tons ha-1 + Dolomite dose of 5 tons ha-1), repeated four times. The results indicate that the application of Organic FertilizerPlus enhances soil fertility status (pH, organic C, CEC, and available P), with the highest values observed in treatment P5, including pH (6.70), soil organic C (6.28 g.kg-1), cation exchange capacity (CEC) (6.85 cmol.g-1), and available P (2.63 mg.g-1). This leads to increased phosphorus uptake, consequently improving soybean yields. The highest soybean yield is achieved by applying Organic FertilizerPlus (P5) at 2.17 t.ha-1.
Physical Properties of Alfisols, Growth and Products of Hybrid Corn Affected by Organic and Inorganic Fertilizer Syamsiyah, Jauhari; Minardi, Slamet; Herdiansyah, Ganjar; Cahyono, Ongko; Mentari, Fegi Cahya
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.65014

Abstract

The nutrients of plants and the physical condition of the soil must both be considered to increase corn productivity. The continuous use of inorganic fertilizer without manures will cause a decrease in the physical properties of the soil. Therefore, this study aims to obtain doses of organic fertilizer from cow manure and inorganic fertilizers namely urea, KCl and SP-36 that will give the best effect on the physical properties of Alfisols, growth and yield of hybrid corn. The experiment was carried out using the randomized complete block design (RCBD) with two factors namely organic and inorganic fertilizers. Each factor was given at four dosages: 1, ¾, ½ and ¼ of the standard dose each with three replications. Observation parameters include bulk and particle density, soil porosity, aggregate stability, root volume and fresh weight, plant height, as well as the weight of corn with and without husks. The results showed that organic and inorganic fertilizers significantly affected bulk density, soil porosity, aggregate stability, root fresh weight, root volume, as well as the weight of corn with and without husks. Additionally, treatment with 7.5 to 10 tons of organic fertilizer as well as ¼, ¾ and 1 dose of inorganic fertilizers produced the best effect on soil physical properties of Alfisols, growth and yield of hybrid corn, while the lowest results were obtained in the control treatment. This indicates that organic treatment can reduce the use of inorganic fertilizers between ¼ to ¾ of the standard dose.
Penyuluhan dan Praktik Budidaya Tayurdapot untuk Kelompok Tani “Abdi Dalem Klebengan”, Kelurahan Kadipiro, Banjarsari, Surakarta Sudadi, Sudadi; Minardi, Slamet; Cahyono, Ongko; Cahyani, Vita Ratri; Maro'ah, Siti
PRIMA: Journal of Community Empowering and Services Vol 8, No 2 (2024): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/prima.v8i2.66853

Abstract

Counseling and Practices of Tayurdapot Cultivation for Farmers Group “Abdi Dalem Klebengan”, Kadipiro Village, Banjarsari, Surakarta. Citizens association (RW) 17 as a partner in this community service activity is one of the RWs in Kelurahan Kadipiro, Banjarsari District, Surakarta City which has a farmer group, namely the Farmer Group (Poktan) "Abdi Dalem Klebengan" which until now has been very active in empowering the community in agriculture. Even though it is located in the city area, Poktan "Abdi Dalem Klebengan" realizes that agricultural activities are one of the sectors that can help maintain the community's economy. Therefore, Poktan "Abdi Dalem Klebengan" is very active in trying to make the people in their area, namely RT 01 RW 17, work on agriculture around their settlements, including in the yards of their respective houses by working on potted plants to help the family's economy. One type of plant that is easy to cultivate in a pot is a vegetable plant (Plant vegetables in a Pot-Tayurdapot). This service activity aims to awaken and maintain the spirit of farming around the house for members of the Poktan "Abdi Dalem Klebengan" in particular and the community of RT 01 RW 17 Ngipang, Kadipiro, Banjarsari, Surakarta in general. Activities are carried out by the method of socialization activities and demonstrations of Tayurdapot cultivation practices in synergy with the Poktan "Abdi Dalem Klebengan". Through this effort, it is hoped that the families of the group members and the community of RT 01 RW 17 will be helped by their need for vegetables that can reduce daily shopping costs. Poktan "Abdi Dalem Klebengan" also produces organic fertilizer from its livestock business so that it can synergize with this service activity through its help organic fertilizer as a planting medium for tayurdapot for residents of RT 01 RW 17. This service activity is mono-year, but is expected to continue in the following year through other productive activities such as tabulampot, livestock business, fish rearing and guidance on the production of organic fertilizers and liquid biofertilizers.
Formulation and Application of Organic Fertilizer from Cow Dung to Increase Rice Yield by Applying Sustainable Agriculture Principles in Gantiwarno, Klaten Minardi, Slamet; Sudadi, Sudadi; Haniati, Isna Luthfa; Pramono, Sidik; Suryono, Suryono
PRIMA: Journal of Community Empowering and Services Vol 6, No 2 (2022): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/prima.v6i2.69785

Abstract

Livestock Farmer Group Lembu Mulyo was a cattle breeder engaged in livestock farming. Cow dung was a problem for breeders because of the large amount of cow dung that had not yet been utilized, causing air, water, and soil pollution. The Mentoring activity aims to overcome the problems faced by partners by utilizing cow dung waste from Livestock Farmer Group Lembu Mulyo could be used as organic fertilizer by the Farmer’s Group Sri Rejeki to increase rice yield by applying the principles of sustainable agriculture. The Livestock Farmer Group Lembu Mulyo problem could be solved by formulating organic fertilizer using cow dung. Furthermore, it could address the Farmer’s Group Sri Rejeki problem, which is an increasing need for fertilizer to increase rice yield by applying sustainable agriculture principles. The mentoring activity was in collaboration with two partners, namely the Farmer’s Group Sri Rejeki and the Livestock Farmer Group Lembu Mulyo, located in Gesikan Village, Gantiwarno District, Klaten Regency. The method used was socialization and practice. The result of the mentoring activity for formulating organic fertilizer was that the Livestock Farmer Group Lembu Mulyo could formulate organic fertilizer from cow dung, and the Farmer’s Group Sri Rejeki was able to apply an organic fertilizer to increase rice yield. The two partners’ capabilities could overcome problems in the Livestock Farmer Group Lembu Mulyo and the Farmer’s Group Sri Rejeki. In addition to solving the problems of the two partners by formulating organic fertilizers and their application in rice fields also applied sustainable agriculture principles.
Azolla microphylla sebagai Alternatif Sumber Pupuk Organik dalam Budidaya Padi di Lahan Pasir Pantai Herawati, Aktavia; Mujiyo, Mujiyo; Minardi, Slamet; Herdiansyah, Ganjar; Dewi, Widyatmani Sih; Putri, Nuraini Dwi Agustina
PRIMA: Journal of Community Empowering and Services Vol 8, No 2 (2024): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/prima.v8i2.110067

Abstract

Azolla microphylla as an Alternative Source of Organic Fertilizer in Rice Cultivation on Sandy Soil Field. Rice (Oryza sativa L.) is a commodity that has high economic value in Srigading Village, Sanden District, Bantul Regency. Azolla is a water fern that has high potential as a source of organic fertilizer. The use of azolla as a source of organic fertilizer is not widely known. The partner involved in this activity is Majelis Taklim Nailul Hidayah, which is not economically/socially productive, but its main livelihood is farming, especially rice. The rice cultivation system carried out by partners so far is still based on the conventional system, which utilizes chemical fertilizers. Azolla can serve as a source of organic fertilizers, acting as a substitute for or reducing the need for chemical fertilizers, thereby reducing dependence on them. The activity aims to increase partners' understanding of utilizing azolla for organic fertilizers through azolla cultivation, which is a straightforward process. The method planned for this activity involves explaining the introduction and development of azolla, as well as practicing the technique of multiplying azolla. The stages of the activity included site surveys, hands-on azolla cultivation, and the application of azolla to rice plants in sandy soil. The results showed that the partners already knew how to cultivate azolla, how to apply azolla, and the benefits of azolla on rice growth. Azolla microphylla was cultivated in ponds lined with tarpaulins measuring 2 m x 3 m x 0.5 m, using 0.5 kg of fresh azolla seedlings. Azolla was harvested 2 weekafter sowing, with one pond producing 37.5 kg of wet azolla, representing a 75-fold increase and a productivity of 12.5 kg/m³.
Effect of Sugarcane Bagasse Bio-Compost and Manure on Carbon Fraction and N, P, K Content in Entisols and Their Relationship with Shallot Yields Wijaya, Lidya Zaela; Syamsiyah, Jauhari; Suntoro, Suntoro; Minardi, Slamet; Rahayu, Rahayu
AgriHealth: Journal of Agri-food, Nutrition and Public Health Vol 6, No 1 (2025): April
Publisher : Research and Development Center for Food, Nutrition and Public Health (P4GKM) LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrihealth.v6i1.99420

Abstract

Bagasse, one of the largest agricultural wastes with suboptimal utilization, could improve Entisols in the tropics by enhancing soil fertility and crop productivity. This study aimed to determine the changes in humic substances and nutrient levels in Entisols and their effects on shallot yield. The study was designed using a completely randomized design, consisting of four treatments of organic matter combinations with NPK fertilizer, four single organic matter treatments, one standard NPK fertilizer dose, and one control. Each was replicated three times. The results showed that using bagasse improved soil conditions by increasing C content and nutrient levels in the soil, enhancing nutrient absorption by plants, and consequently boosting crop yields. The biochar + bagasse compost (2:4) (bio-compost) + NPK resulted in high soil organic C, humic acid, fulvic acid, nutrient availability, and plant nutrient levels, which were comparable to the manure treatment, and significantly increased shallot yield in Entisols. The findings of this study could support the development of nutrient management strategies utilizing bagasse as a potential soil amendment for Entisols.
Co-Authors AKTAVIA HERAWATI Ganjar Herdiansyah, Ganjar Haniati, Isna Luthfa Hery Widijanto Irawaningsih, Daradinda Surya Jauhari Syamsiyah Maro'ah, Siti Mentari, Fegi Cahya Mujiyo Mujiyo Mukti, Brilliant Ongko Cahyono Pramono, Sidik Prastiyaningsih, Nanda Lintang Pratiwi, Melja Karni Putri, Nuraini Dwi Agustina Rahayu Rahayu Sakti, Muchammad Bima Gegana Sudadi Sudadi Suntoro Suntoro Supriyadi Supriyadi Suryono Suryono Ustiatik, Reni Vita Ratri Cahyani Widyatmani Sih Dewi Wijaya, Lidya Zaela