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

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 1 
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.
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.
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.
Co-Authors Ganjar Herdiansyah, Ganjar Haniati, Isna Luthfa Hery Widijanto Irawaningsih, Daradinda Surya Jauhari Syamsiyah Mentari, Fegi Cahya Mujiyo Mujiyo Mukti, Brilliant Ongko Cahyono Pramono, Sidik Prastiyaningsih, Nanda Lintang Pratiwi, Melja Karni Sakti, Muchammad Bima Gegana Sudadi Sudadi Supriyadi Supriyadi Suryono Suryono Ustiatik, Reni