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Application of litters to inhibit nitrification in Vertisols on sweet corn (Zea mays S.) Supriyadi Supriyadi; Adiprasetya Widyatama; Gadis Mona Prinandhika; Purwanto Purwanto; Sri Hartati
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 18, No 1 (2021): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v18i1.43631

Abstract

Nitrification, or the process of oxidation of ammonium to nitrate in the soil, needs to be inhibited because it reduces the efficiency of nitrogen fertilizers. Vertisols have 2:1 minerals and have high negative charge, so ammonium is more absorbed by soil particles, whereas nitrate is free to move in the soil and diffuses into the plant tissue or is leached with gravity water. This study aimed to determine the litter treatment that can inhibit the nitrification process in Vertisols on sweet corn plants. This research was conducted in June until November 2019 in the Plastic House of Plesungan, Gondangrejo, Karanganyar, Indonesia. This study used a basic completely randomized design with a single factor (litter type) as an immobilizer. The types of litter used in this study were Gliricidia maculata, Albizia falcataria, Senna siamea, and Tithonia diversifolia. The parameters observed were ammonium content, nitrification potential, average nitrate content, actual nitrification, plant height, number of leaves, and dry crown plant. Tithonia diversifolia gave the highest actual nitrification of 23.26%. Senna siamea has the lowest actual nitrification of 12.36%, followed by Gliricidia maculata with 17.39% and Albizia falcataria with 17.67%. This shows that the Tithonia diversifolia litter has the highest value in inhibiting nitrification. Maize plants treated with the Tithonia diversifolia litter had the best plant growth compared to those applied with other treatments. Therefore, among the treatments used, the Tithonia diversifolia litter was most optimal in inhibiting nitrification in Vertisols.
MENINGKATKAN LEVEL KESEHATAN KEUANGAN MELALUI INVESTASI EMAS PADA KELOMPOK PENGAJIAN IBU-IBU DESA JAGALAN -PABELAN KARTASURA Chomsatu, Yuli; Suhendro; Endang Masithoh Wahyuni; Suparwi; Adiprasetya Widyatama
BUDIMAS : JURNAL PENGABDIAN MASYARAKAT Vol. 7 No. 2 (2025): BUDIMAS : Jurnal Pengabdian Masyarakat
Publisher : LPPM ITB AAS Indonesia Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/budimas.v7i2.18024

Abstract

Tujuan dari kegiatan pengabdian kepada masyarakat ini adalah untuk memberikan edukasi kepada kelompok pengajian Ibu - Ibu Desa Jagalan Pabelan Kartasura terkait dengan pemilihan emas sebagai instrumen investasi jangka panjang yang stabil dengan nilai intrinsik tinggi di tengah ketidakpastian ekonomi. Kegiatan ini memfokuskan pada konteks ekonomi yang rentan terhadap fluktuasi, inflasi, dan gejolak pasar global, dimana emas dipandang sebagai aset lindung nilai (safe haven) yang dapat menjaga daya beli dan kestabilan keuangan rumah tangga. Metode yang digunakan adalah ceramah dan diskusi aktif. Hasil surveysebelum dilaksanakan kegiatan pengabdian masyarakat ini menunjukkan bahwa pemahaman ibu-ibu di Desa Jagalan Pabelan Kartasura terhadap emas sebagai investasi masih terbatas pada fungsi tabungan tradisional. Hal ini mengindikasikan bahwa masih terdapat potensi besar untuk meningkatkan literasi investasi melalui pendekatan berbasis komunitas. Emas dinilai memberikan rasa aman, mudah diakses, harga relatif terjangkau karena bisa disesuiakan dengan kemampuan serta fleksibel dalam likuiditas. Hal ini bisa menjadi alternatif investasi jangka panjang guna meningkatkan level kesehatan keuangan keluarga. Kegiatan ini merekomendasikan pentingnya edukasi finansial yang lebih sistematis dan berbasis lokal guna memperkuat peran emas sebagai bagian dari perencanaan keuangan keluarga. Kata kunci: Emas, Kesehatan, Keuangan, Keluarga . Abstract The purpose of this community service activity is to educate the women's religious study group in Jagalan Pabelan Village, Kartasura, regarding the selection of gold as a stable long-term investment instrument with high intrinsic value amidst economic uncertainty. This activity focuses on an economic context that is vulnerable to fluctuations, inflation, and global market turmoil, where gold is seen as a safe haven asset that can maintain purchasing power and household financial stability. The methods used are lectures and active discussions. The results of a survey before the community service activity were carried out showed that the understanding of gold as an investment among women in Jagalan Pabelan Village, Kartasura, was still limited to its traditional savings function. This indicates that there is still great potential to improve investment literacy through a community-based approach. Gold is considered to provide a sense of security, is easily accessible, relatively affordable because it can be adjusted to ability and flexible in liquidity. This can be an alternative long-term investment to improve the level of family financial health. This activity recommends the importance of more systematic and locally based financial education to strengthen the role of gold as part of family financial planning. Kata kunci: Gold, Health, Finance, Family