Pengaruh Berbagai Jenis Kapur Dalam Aplikasi Pengapuran Untuk Memperbaiki Sifat Kimia Ultisol

Maulana, Amsar; Herviyanti, H; Prasetyo, Teguh Budi

doi:10.21776/ub.jtsl.2020.007.2.04

Cited by 4 publications

(2 citation statements)

References 6 publications

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“…Soil pH increased to 0.47, 0.79, and 0.97 units at 15, 30, and 90 DAP respectively. This current research is in line with several studies, where the application of dolomite can increase soil pH [17][18][19][20] Morocco rock phosphate contains 27.70% -31.20 P2O5 [21,22]. Rock phosphate application will significantly affect soil with low pH (<5.5).…”

Section: Nutrient Content Improvementsupporting

confidence: 89%

Enhancing chemical properties and maize yield through dolomite application on rock phosphate-amended oxisol

Kasno,

Nurida,

Siregar

et al. 2023

E3S Web Conf.

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Improving soil quality is vital so plants can adapt to climate change. Indonesia's acid soils cover about 147.5 million hectares, and are generally acidic, with low levels of calcium and magnesium, and high levels of aluminum. This study aims to study the effect of dolomite application on acid upland soils that have been applied with rock phosphate to improve soil chemical properties and increase maize yields. The research was conducted in Jati Agung using a randomized block design with 5 treatments and 5 replications. The treatment consisted of 5 application levels of dolomite: 0, 500, 1000, 1500, and 2000 kg ha-1. The size of the experimental plot was 10 m x 10 m. Hybrid maize varieties were used as indicators. The results showed that applying dolomite increased soil pH, Ca, Mg, and K levels and decreased exchangeable and Al saturation. It also increases plant height, maize yield, and biomass. The implication of this study is that the application of dolomite 1000 kg ha-1 after rock phosphate is applied can improve soil chemical properties in acid soils.

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Section: Nutrient Content Improvementsupporting

confidence: 89%

Enhancing chemical properties and maize yield through dolomite application on rock phosphate-amended oxisol

Kasno,

Nurida,

Siregar

et al. 2023

E3S Web Conf.

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“…Selanjutnya, Ca dan Mg bergabung dengan HCO3dan selanjutnya membentuk Ca(HCO3)2 dan Mg(HCO3)2, yang mengakibatkan pH tanah masam meningkat (Paradelo et al,2015). Sesuai dengan hasil penelitian Maulana et al (2020) bahwa pengapuran dapat meningkatkan pH tanah. Hasil penelitian Krisnawati dan Bowo (2019) juga menunjukkan bahwa pemberian kapur pertanian sebesar 3 ton/ha dapat meningkatkan pH sebesar 6,65, sehingga dapat memberikan hasil target pH ideal untuk pertumbuhan tanaman padi.…”

Section: Kesesuaian Lahan Potensial Dan Rekomendasi Pengolahan Lahanunclassified

Evaluasi Kesesuaian Lahan Sawah Berdasarkan Status Hara di Kecamatan Seluma Selatan Kabupaten Seluma

Afrisa

2023

Nature

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The low productivity of rice in Seluma Selatan District is caused by fertilization actions based on general recommendations and not based on site-specific recommendations. In fact, fertilization should be based on soil nutrient status, especially N, P and K. This study aims to determine the nutrient status and evaluate the suitability class of lowland rice in Seluma Selatan District, Seluma Regency. This study used survey methods, soil sampling, and laboratory analysis, then matched it with the soil fertility level classification system and land suitability classification. The results showed that the nutrient status of paddy fields in Seluma Selatan sub-district in low-medium rice fields was categorized. It is characterized by an acidic pH value and low P2O5 in providing nutrients for lowland rice plants. Evaluation of land suitability in Seluma Selatan sub-district shows that the land suitability classes are S2 and S3. The results of the evaluation of the most suitable land suitability for land unit 2 (Au.1.1.1) were quite suitable for S2n with available nutrient limiting factors at the P2O5 level and marginally suitable for S3n on land unit 4 (Hab.1.1.1) with available nutrient limiting factors at P2O5 and K2O levels. Efforts to improve the suitability class S2 (fairly suitable) can be increased to S1 class (very suitable) and the S3 land suitability class (marginally appropriate) can be increased to S2 (quite suitable) . Keywords: Land suitability, lowland rice, nutrient status

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Effect of lime on soil chemical properties and corn growth in Ultisols Lebak, Banten

Purnomo,

Yusron,

Jubaedah

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The research aimed to study the effect of lime on soil chemical changes and corn growth in Ultisol Lebak, Banten. The soil used is acidic mineral soil with a pH of 4.8 and a high exchangeable (exch) Al content of 6.3 cmolc kg−1. The research design used was a completely randomized design with 6 treatments of lime doses with 5 replications. The dose of lime applied is based on exch Al namely 0, 0.5; 1.0; 1.5, and 2.0 equivalent to 0, 3, 6, 9, and 12 t ha−1, respectively, and 1.0 exch Al of fosfatan. The results showed that lime application improved soil chemical properties as reflected by increasing soil pH, exch Ca, Mg, cation exchange capacity (CEC), base saturation (BS), and decreasing Al content and saturation. In addition, lime application increases the delta of soil pH. Soil acidity (pH) increased from 4.8 to 6.3; exch Ca levels increased from 1.61 to 12.77 cmolc kg−1, exch Mg levels increased from 0.78 to 0.88 cmolc kg−1.

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Pengaruh Berbagai Jenis Kapur Dalam Aplikasi Pengapuran Untuk Memperbaiki Sifat Kimia Ultisol

Cited by 4 publications

References 6 publications

Enhancing chemical properties and maize yield through dolomite application on rock phosphate-amended oxisol

Enhancing chemical properties and maize yield through dolomite application on rock phosphate-amended oxisol

Evaluasi Kesesuaian Lahan Sawah Berdasarkan Status Hara di Kecamatan Seluma Selatan Kabupaten Seluma

Effect of lime on soil chemical properties and corn growth in Ultisols Lebak, Banten

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