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All Journal Jurnal Ilmu Pertanian Journal of Tropical Soils Jurnal Teknik Kimia MAPETA Plumula : Berkala Ilmiah Agroteknologi Journal of Degraded and Mining Lands Management Jurnal Ilmiah Pertanian Jurnal Pertanian Agros Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) jurnal Ilmu Pertanian (Agricultural Science) PEDULI: Jurnal Imiah Pengabdian Pada Masyarakat Soil REns Agroteknika Jurnal Pembelajaran dan Biologi Nukleus Agro Bali: Agricultural Journal Jurnal Peduli Masyarakat Nusantara Science and Technology Proceedings AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Batara Wisnu : Indonesian Journal of Community Services Journal of Community Service Acta Solum
Wanti Mindari
UPN Veteran Jawa Timur
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Phytoremediation potential of Avicennia marina, Rhizophora mucronata, and Bruguiera gymnorrhiza in lead (Pb) contaminated urban coastal areas Permatasari, Fina Dwi; Aditya, Haidar Fari; Mindari, Wanti
Jurnal Ilmiah Pertanian Vol. 22 No. 1 (2025): Jurnal Ilmiah Pertanian
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/jip.v22i1.24112

Abstract

Heavy metal contamination in urban coastal areas poses a serious environmental threat, with lead (Pb) being one of the most persistent and hazardous pollutants. Mangrove forests, which act as natural buffers between land and sea, have the potential to mitigate heavy metal pollution through phytoremediation. This study evaluates the phytoremediation potential of three mangrove species—Avicennia marina, Rhizophora mucronata, and Bruguiera gymnorrhiza—in lead-contaminated coastal areas of Wonorejo and Gunung Anyar, Surabaya, Indonesia. Sediment, root, and leaf samples were collected using a survey method and purposive random sampling. Physiochemical analysis included soil texture, pH, electrical conductivity (EC), and Pb concentration. Pb levels in Gunung Anyar sediments reached 12.0 ppm, higher than Wonorejo’s 4.05 ppm. A. marina exhibited the highest Pb accumulation, with a bioconcentration factor (BCF) of 8.85 in roots and 6.97 in leaves. R. mucronata had a BCF of 5.75 in roots and 2.09 in leaves, while B. gymnorrhiza demonstrated a root BCF of 28.8 and leaf BCF of 28.4. Translocation factor (TF) analysis revealed that A. marina had the highest TF (1.27), indicating phytostabilization as its primary mechanism. Meanwhile, R. mucronata and B. gymnorrhiza exhibited phytoextraction characteristics due to higher metal translocation efficiency. These findings highlight the distinct phytoremediation strategies among species.
Efisiensi Aplikasi Asam Humat dan Silika Terhadap Kadar Nitrogen (N) Tanah dan Tanaman Padi di Lahan Sawah Sekitar Industri Andahrino, Berliana Putri; Mindari, Wanti; Sasongko, Purnomo Edi; Chakim, M. Ghufron
Agroteknika Vol 8 No 2 (2025): Juni 2025
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/agroteknika.v8i2.533

Abstract

Permasalahan global terkait lahan tercemar akibat aktivitas industri berdampak terhadap penurunan produksi tanaman padi di Sidoarjo. Endapan logam dari limbah industri dapat mengontaminasi lahan tersebut. Maka dari itu solusi yang dapat dilakukan untuk perbaikan lahan sawah dengan pemberian pembenah tanah. Tujuan penelitian untuk mengkaji efisiensi asam humat dan silika untuk meningkatkan N dalam tanah dan serapan nitrogen tanaman padi. Penelitian ini dilaksanakan di Kebun Percobaan Kecamatan Balongpanggang, Kabupaten Gresik. Penelitian ini disusun menurut Rancangan Acak Lengkap (RAL) Faktorial. Faktor pertama dari dosis asam humat dan silika sebanyak 0 kg.ha-1, 10 kg.ha-1, 20 kg.ha-1, dan 30 kg.ha-1 . faktor kedua terdiri dari 3 lokasi yang terindikasi tercemar. Parameter pengamatan dibagi menjadi 3 yaitu analisa sub-sampel tanah, pengamatan pertumbuhan tanaman padi dan serapan nitrogen tanaman padi. Analisi data dianalisis dengan menggunakan keragaman (ANOVA) terhadap sifat kimia tanah dengan uji lanjut BNJ 95%. Hasil dari penelitian menunjukkan aplikasi asam humat silika berpengaruh nyata terhadap kadar nitrogen di dalam tanah dan serapan tanaman padi, tetapi tidak berpengaruh nyata terhadap pertumbuhan padi. Dosis terbaik pemberian asam humat silika pada lahan sawah dekat industri farmasi (L1) dan lahan sawah dekat industri kertas (L3) adalah 30 kg.ha-1 (P3) dengan nilai N sebesar 0,16%, sementara pada lahan sawah dekat industri pakan ternak (L2) dosis terbaik adalah 20 kg.ha-1 (P2) dengan nilai N sebesar 0,19%. Efisiensi serapan tanaman tertinggi yaitu terdapat pada perlakuan pada lahan sawah dekat industri pakan ternak dengan dosis 30 kg.ha-1 yang menghasilkan efisiensi serapan sebesar 52% pada bagian akar, sedangkan efisiensi tertinggi pada bagian daun menghasilkan efisiensi sebesar 64,62% dengan dosis 10 kg.ha-1.
Dynamic of Saline Soil Cations after NaCl Application on Rice Growth and Yields Mindari, Wanti; Guntoro, Wuwut; Kusuma, Zaenal; Syekhfani, .
JOURNAL OF TROPICAL SOILS Vol. 18 No. 3: September 2013
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2013.v18i3.185-194

Abstract

Saline soil cation dynamic is determined by the proportion of salt cations dissolved either acidic or alkaline.  Common base cations in saline soil are in the proportion of  Na >  Ca >  Mg >  K.  They affects the availability of water,  nutrients, and plant growth.  The six level of  NaCl  were 0, 15, 30, 45, 60, and  75 mM  and  two  types of  soil  (saline and non saline) from Gununganyar and Mojokerto were evaluated  to soil sample cations taken from  depth of  0-5, 5-10, 10-15, and 15-20 cm. Rice growth and yields were measured. The experiment indicated  that increasing doses of NaCl increased the soil Na after rice harvest and decreased K, Ca and Mg contents, both of non-saline and saline soil, decreased of rice growth and yield (straw, grain, number of tiller).  NaCl up to 30 mM  caused highest Ca:Mg ratio, about 8, suppressed nutrient available, inhibited root growth and reduced nutrient uptake.Keywords:  Cation dynamic,  NaCl,  rice yield , saline soil[How to Cite: Mindari W, WGuntoro, Z Kusuma and Syekhfani. 2013.Dynamic of Saline Soil Cations after NaCl Application on Rice Growth and Yields. JTrop Soils 18 (3): 185-194. Doi: 10.5400/jts.2013.18.3.185][Permalink/DOI: www.dx.doi.org/10.5400/jts.2013.18.3.185]REFERENCESAkram M, MY Ashraf, R Ahmad, EA Waraich, J Iqbal and M Mohsan. 2010. Screening for salt tolerance in maize (Zea mays L.) hybrids at an early seedling stage. Pakistan J Bot  42: 141-154.Bohn H,  BL McNeal and GA O’Connor. 2001. Soil Chemistry, Third Edition. John Wiley and Sons. Inc. 307p. Carmona FC, I Anghinoni, MJ Holzschuh and MH Andrighetti.  2010.  Cation dynamics in soils with different salinity levels growing irrigated rice. Rev Bras Ciênc Solo 34: 1851-1863. Ching PC and SA Barber. 1979.  Evaluation of temperature effects on K  uptake by corn. Agron J 71: 1040- 1044.da Silva EN, RV Ribeiro, SLF Silva,  RA Viégas and JAG Silveira. 2011. Salt stress induced damages on the photosynthesis of physic nut young plants Sci Agric  68: 62-68.Gacitua M, M  Antilen and M Briceno. 2008. K–Ca–Mg binary cation exchange in saline soils from the north of Chile. Aust J Soil Res 46:  745-750.Junita Y, YK Kazutake and K Takashi. 2005. Application effects of controlled-availability- fertilizer on the dynamics of soil solution composition in the root zone. http://natres.psu.ac.th/Link/SoilCongress/bdd/symp14/2095-t.pdf. Accessed on 20 February 2013.Korb N, C Jones and J Jacobsen. 2005. Secondary  Macronutrients: Cycling, Testing and Fertilizer  Recommendations.  Nutrient Management Module No. 5. Montana state University extension service.16 p. Landon JR. 1984. Booker Tropical Soil Manual. United State of America. Longman, New york, Academic Press. 227 p.Mindari W, Maroeto and Syekhfani. 2009. Efek pemberian air salin rekayasa pada EC tanah dengan amelioran bahan organik. Prosiding  Seminar Nasional Fakultas Pertanian dan LPPM UPN “Veteran“ Jatim, Surabaya (in Indonesian). Nakamura Y, K Tanaka, E Ohta and M Sakata. 1990. Protective effect of external Ca2 on elongation and the intracellular concentration of K   in intact mung bean root under high NaCl stress. Plant Cell Physiol 31:  815-821.Nassem I and HN Bhatti. 2000. Organic Matter and salt concentration effect cation exchange equilibria in non-calcareous soils. Pakistan J  Biol Sci  3: 1110-1112.Nosetto M D, E G Jobba´gy, T To´th and CM Di Bella. 2007. The effects of tree establishment on water and salt dynamics in naturally salt-affected grasslands. Oecologia 152: 695-705.Rachman A, GM Subiksa, D Erfandi  and P Slavich. 2008.  Dynamics of  tsunami-affected soil properties. In: F Agus and G Tinning (eds).  International Workshop on Post Tsunami Soil Management, Bogor, Indonesia, 1-2 July 2008, pp. 51-64.Rengasamy P. 2006. World salinization with emphasis on Australia. J Exp Bot 57: 1017-1023.Shani U and  LM Dudley.  2001. Field Studies of Crop Response to Water and Salt Stress. Soil Sci  Soc    Am J 65: 1522-1528.Slaton NA, D Dunn and B Pugh. 2004.  Potassium nutrition of flood-irrigated rice. Better Crops 88: 20-22Yuniati  R. 2004. Penapisan galur kedelai Glycine Max (L.) Merrill toleran terhadap NaCl untuk penanaman di lahan salin. Makara - Sains 8:  21-24.Zeng L and Shannon MC. 2000. Salinity effects on seedling growth and  yield components of rice. Crop Sci 40:  996-1003.
Maize Tolerance to Salinity of Irrigation Water Mindari, Wanti; Maroeto, .; Syekhfani, .
JOURNAL OF TROPICAL SOILS Vol. 16 No. 3: September 2011
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2011.v16i3.211-218

Abstract

Crop salt tolerance is generally assessed as the relative yield response to the increasing of  root zone salinity.  This paper studied the maize tolerance under salinine water  (ECw) and their relationship with the changes of soil chemistry characteristics, crop growth and yield of maize. The seven level of water salinity were  0.66, 0.93, 1.57, 1.68, 2.46, 3.35, 3.85 mS cm-1 and three local maize from Madura, Pasuruan and Probolinggo were evaluated to soil electric conductivity (ECe), pH, available -N. -P. and -K as well as plant height and seed weight  The experiment indicated that saline water (ECw) up to a certain concentration increased soil salinity (ECe) and pH, but decreased  nutrient availability, plant height, fresh and dry weight of  maizes.  ECw level between 1.5 to 1.7 mS cm-1 gave the best results compared to others, because of soil nutrients and water availability optimum. Maize of Madura and Pasuruan were more tolerant than Probolinggo  giving ECw up to 3. 85 mS cm-1, although their maize seed dry weight were lower.
Mitigating Heavy Metal Contamination in Agricultural Soils with Biosilica-Humic Acid as Soil Amendment Strategies in Industrial Peripheries Chakim, M Ghufron; Mindari, Wanti; Sasongko, Purnomo Edi
Acta Solum Vol 3 No 3 (2025): Juli 2025
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i3.3367

Abstract

Soil contamination by heavy metals poses a significant threat to sustainable agriculture, especially in areas adjacent to industrial zones. This study demonstrates that while the initial application of the biosilica-humic acid (BSi-HA) soil amendment did not result in statistically significant changes in soil chemical properties within the first 7 days of incubation, prolonged incubation for 60 days revealed meaningful effects, particularly in reducing heavy metal availability in soil. Significant decreases in iron (Fe) and lead (Pb) concentrations were observed over time, with Fe reductions ranging from 45–67% and Pb reductions between 8–40%. These results are attributed to the synergistic effect of functional groups in BSi-HA—especially the carboxyl (–COOH) and hydroxyl (–OH) groups in humic acid—which exhibit high metal-binding affinity under acidic conditions (pH ~5). Although soil fertility parameters such as C-organic content and cation exchange capacity (CEC) showed a declining trend due to microbial activity during incubation, the ability of BSi-HA to immobilize heavy metals without exceeding safe thresholds highlights its potential as a sustainable soil amendment. Moreover, previous findings indicating reductions of up to 90% for Pb and 76% for Cd in plant tissues further support the efficacy of BSi-HA in mitigating heavy metal contamination in agricultural soils near industrial zones. Further long-term studies are recommended to evaluate BSi-HA's remediation capacity, persistence, and impact on crop yield and food safety. Combining biosilica and humic acid offers a promising, eco-friendly approach for managing heavy metal contamination in soils.
Application of Humic Acid and Gypsum Enhances Soil Nutrient Availability and Tomato (Solanum Lycopersicum) Yield in Mangrove-Derived Saline Soils Bahiro, Badriyatul; Mindari, Wanti; Arifin, Moch.
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7671

Abstract

Background: This Research aims to evaluate the effect of humic acid and gypsum application on organic matter availability and the yield of tomato plants cultivated on mangrove forest soil. Methods: The research employed a Completely Randomized Design (CRD) in factorial pattern involving two primary factors. Results: Indicate that applying humic acid (1,124 g) and gypsum (18,75 g) can significantly influence the growth, productivity, and nitrogen uptake in tomato plants. Furthermore, the combination treatments of H3G3 (humic acid 0,124 g and gypsum 18,75 g) and H3G4 (humic acid 0,124 g and gypsum 25 g) yielded the highest number of tomato fruits, at 14.33 fruits. Additionally, the highest Vitamin C content (37,84 %) was detected in tomato fruits from the 0,124 g humic acid treatment. Conclusions: The combination of humic acid and gypsum significantly improves mangrove soil conditions by reducing salinity and increasing essential macronutriens like nitrogen and phosphorus. This synergy enhances nutrient retention and uptake, while gypsum supplies calcium and sulfur to correct acidic of saline soils. As a result, it creates a more fertile environment that supports healthy tomato growth and improves both yield quality and quantity.
Identifikasi Salinitas Tanah dan Produktivitas Lahan Sawah di Hilir Kabupaten Lamongan dan Tuban Hamidah, Nilna Murobbiyah; Sasongko, Purnomo Edi; Mindari, Wanti
Agroteknika Vol 8 No 3 (2025): September 2025
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/agroteknika.v8i3.538

Abstract

Salah satu permasalahan lahan pertanian adalah terjadinya salinisasi tanah yang biasa terjadi pada lahan yang berdekatan dengan garis pantai. Kabupaten Lamongan dan Tuban merupakan dua daerah yang berdampingan dan berbatasan dengan garis pantai utara. Kedua daerah merupakan dua daerah yang berkontribusi dalam produksi padi tertinggi di Jawa Timur. Keduanya memiliki bagian pesisir yang dimanfaatkan untuk kegiatan budidaya sehingga memerlukan perhatian. Penelitian ini bertujuan untuk mengidentifikasi salinitas tanah dan dampaknya terhadap hasil produksi padi di hilir Kabupaten Lamongan dan Tuban. Penelitian ini menggunakan metode deskriptif eksploratif dan kegiatan pengambilan sampel tanah dilakukan dengan menggunakan metode cluster sampling berdasarkan pada jarak titik pengambilan sampel dengan garis pantai. Titik pertama ditetapkan pada jarak sekitar 2 km dari garis pantai, lalu berjarak 1 km ke titik berikutnya. Lahan T1 memiliki nilai EC tertinggi yaitu 0,65 dS.m-1 dan kurang dari 2 dS.m-1 sehingga dikategorikan sebagai lahan non salin dan pengaruhnya terhadap tanaman dapat diabaikan. Penggunaan pupuk anorganik (Urea dan Phonska) yang melebihi dosis tidak meningkatkan hasil produksi, melainkan pengaruh positif dan signifikan berasal dari masukan pupuk kandang yang diberikan di lahan. Penambahan bahan organik berupa pupuk kandang ke lahan dapat ditingkatkan untuk meningkatkan kestabilan sifat fisik dan kimia tanah serta hasil produksi.
Status Kerusakan Tanah pada Berbagai Penggunaan Lahan di Wilayah Kecamatan Ngantang, Kabupaten Malang A, Argananta Sakha; Purwadi, Purwadi; Mindari, Wanti
Agroteknika Vol 8 No 3 (2025): September 2025
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/agroteknika.v8i3.578

Abstract

Kajian status kerusakan tanah untuk produksi biomassa penting dilakukan untuk mengetahui tingkat kerusakan dan faktor pembatas pada lahan dengan dinamika penggunaan yang tinggi. Penelitian ini dilaksanakan di Kecamatan Ngantang, Kabupaten Malang, yang mengalami banyak perubahan penggunaan lahan sehingga berpotensi menurunkan kualitas tanah. Metode penelitian menggunakan pendekatan deskriptif-eksploratif melalui survei lapangan dan analisis laboratorium. Sampel tanah diambil dari lima jenis penggunaan lahan, yaitu sawah, tegalan, kebun, semak belukar, dan hutan. Parameter yang diamati meliputi ketebalan solum, batuan permukaan, fraksi pasir, berat isi, porositas, permeabilitas, pH, EC, redoks, dan jumlah mikroba tanah sesuai Peraturan Menteri Lingkungan Hidup No. 07 Tahun 2006. Status kerusakan tanah ditentukan menggunakan metode matching terhadap ambang batas kritis serta perhitungan skor frekuensi relatif. Hasil penelitian menunjukkan seluruh jenis penggunaan lahan di Kecamatan Ngantang tergolong mengalami kerusakan ringan, dengan redoks sebagai faktor pembatas utama, diikuti berat isi dan porositas pada beberapa titik. Temuan ini menegaskan bahwa kerusakan tanah di wilayah tersebut masih dapat diperbaiki dan menjadi dasar bagi upaya konservasi tanah serta perbaikan lahan untuk menjaga keberlanjutan produktivitas dan fungsi ekologis.
Efektivitas Kascing dan Kompos BSF (Black Soldier Fly) terhadap Serapan Hara N, P, Pertumbuhan dan Produksi Tomat Ceri (Solanum lycopersicum var. cerasiforme) pada Tanah Salin Riski, Aqilla Wulan; Widjajani, Bakti Wisnu; Mindari, Wanti
Agro Bali : Agricultural Journal Vol 7, No 2 (2024)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v7i2.1355

Abstract

Penelitian ini bertujuan untuk mengevaluasi efektivitas kascing (cairan hasil dekomposisi cacing tanah) dan kompos BSF (Black Soldier Fly) dalam meningkatkan serapan hara nitrogen (N) dan fosfor (P), pertumbuhan, serta produksi tomat ceri (Solanum lycopersicum var. cerasiforme)) pada tanah salin. Tanah salin sering menjadi kendala dalam budidaya tanaman, karena kandungan garam yang tinggi dapat menghambat pertumbuhan dan serapan hara oleh tanaman. Metode penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan empat perlakuan, yaitu perlakuan kontrol (tanah salin tanpa perlakuan), perlakuan kascing, perlakuan kompos BSF, dan kombinasi perlakuan kascing dan kompos BSF. Setiap perlakuan diulang sebanyak tiga kali. Data yang dikumpulkan meliputi serapan hara N dan P oleh tanaman, tinggi tanaman, jumlah daun, jumlah bunga, berat buah per tanaman, dan bobot segar total. Hasil penelitian menunjukkan bahwa pemberian kascing, kompos BSF, maupun kombinasi kascing dan kompos BSF secara signifikan meningkatkan serapan hara N dan P oleh tanaman tomat ceri pada tanah salin. Selain itu, perlakuan tersebut juga berpengaruh positif terhadap pertumbuhan tanaman, terlihat dari peningkatan tinggi tanaman, jumlah daun, dan jumlah bunga. Produksi buah tomat ceri juga mengalami peningkatan yang signifikan akibat pemberian kascing, kompos BSF, dan kombinasi kascing dan kompos BSF.
PENGARUH PEMBERIAN BAHAN ORGANIK DAN PASIR TERHADAP PERUBAHAN KARAKTERISTIK KIMIA VERTISOL Jayanti, Fara Amilia; Mindari, Wanti; Sasongko, Purnomo Edi
Agros Journal of Agriculture Science Vol 26, No 1 (2024): Januari
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i1.4052

Abstract

Vertisol has a high clay content which causes this soil to expand if wet and wrinkle if dry. The fertility level of vertisol is relatively low, so it is necessary to improve soil quality through the provision of organic matter and sand. This study was prepared based on the Complete Random Design (RAL) Factorial consisting o[1]f two factors. The first factor is 4 kinds of organic matter (B) consisting of control (B0), banana peel compost + cow dung (10:1) (B1), leaf litter compost (B2), and hyacinth compost + cow dung (B3). Compost is applied at a dose of 15 tons.ha-1. The second factor is the three percentages of sand material (P) consisting of 0% (P0), 20% (P1), and 40% (P2). The chemical characteristics of the soil analyzed are pH, c-organic, n-available, p-available, and CEC. The results showed that the application of organic matter and sand had a significant effect on c-organic and nitrate. While at pH, ammonium, p-available, and CEC have no significant effect. Key-words: Vertisol, soil improver, chemical characteristicsINTISARI Vertisol mempunyai kandungan liat yang tinggi yang mengakibatkan tanah ini mengembang jika basah dan mengkerut jika kering. Tingkat kesuburan vertisol tergolong rendah, sehingga perlu adanya perbaikan kualitas tanah melaui pemberian bahan organic dan pasir. Penelitian ini disusun berdasarkan Rancangan Acak Lengkap (RAL) Faktorial yang terdiri dari dua factor. Factor pertama yaitu 4 macam bahan organik (B) yang terdiri dari kontrol (B0), kompos kulit pisang + kotoran sapi (10:1) (B1), kompos serasah daun (B2), dan kompos eceng gondok + kotoran sapi (B3). Kompos diaplikasikan dnegan dosis 15 ton.ha-1. Faktor kedua yaitu tiga persentase pemberian material pasir (P) yang terdiri dari 0% (P0), 20% (P1), dan 40% (P2). Karakteristik kimia tanah yang dianalisis yaitu pH, c-organik, n-tersedia, p-tersedia, dan KTK. Hasil penelitian menunjukkan bahwa pemberian bahan organic dan pasir memberikan pengaruh secara nyata terhadap c-organik dan nitrat. Sedangkan pada pH, amonium, p-tersedia, dan KTK tidak memberikan pengaruh nyata. Kata kunci: Vertisol, Pembenah Tanah, Karakteristik Kimia
Co-Authors . Maroeto . Syekhfani . Syekhfani A, Argananta Sakha Aditama, Diqy Ridwan Aditya, Haidar Fari Andahrino, Berliana Putri Augustien, Nora Bahiro, Badriyatul Bakti Wisnu Widjajani Chakim, M Ghufron Chakim, M. Ghufron Cholid Fadil Chosa Zahro Fatiha Fitri Wijayanti Guntoro, Wuwut Hadi Suhardjono Hamidah, Nilna Murobbiyah Harya, Gyska Indah Ika Nur Fitriana Ir, MT., Siswanto Iwan Kresna Setiadi Jayanti, Fara Amilia Kartika, Nanda Ajeng M Ghufron Chakim Maemunah Mahendra Kusuma, Ramadhani Maroeto Maroeto Maroeto, ' Maroeto, . Moch Arifin Moch. Arifin Moch. Arifin Moch. Arifin Muhammad Dzikrullah Nabila Putri Wiandari Novita Risti Azahra Nur Supriyadi, Yudi Penta SURYAMINARSIH Permatasari, Fina Dwi Pratama, Arista Priyadarshini, Rossyda Puji Lestari Tarigan Purnomo Edi Sasongko Purwadi Purwadi Ramadhani Mahendra Kusuma Riski, Aqilla Wulan Rudini Berbudi Rusyla Dwi Rahayu Rusyla Dwi Rahayu S Siswanto S Siswanto Sasongko, Edi Purnomo Setyo Budi Santoso Siswanto Siswanto Soekamto, Muhammad Bagus Bima Sousa , David Sri Wiyatiningsih Suwandi, ' Syekhfani, . Widiwurjani Windriyanti, Wiwin Wuwut Guntoro Zaenal Kusuma Zaenal Kusuma