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PENGARUH SISTEM OLAH TANAH JANGKA PANJANG DAN PEMBERIAN PUPUK NITROGEN (KE-34) TERHADAP KANDUNGAN ASAM HUMAT DAN ASAM FULVAT TANAH PADA PERTANAMAN JAGUNG DI POLITEKNIK NEGERI LAMPUNG Afrianti, Nur Afni; Kartini, Bunga; Sarno, Sarno; Novpriansyah, Hery; Supriatin, Supriatin; Utomo, Muhajir
Jurnal Agrotek Tropika Vol 11, No 4 (2023): JURNAL AGROTEK TROPIKA VOL 11, November 2023
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v11i4.8251

Abstract

Asam humat adalah komponen terpenting dari senyawa humus karenamembantu menggemburkan tanah, dan membantu transfer nutrien dari tanah kedalam tanaman, serta meningkatkan retensi kandungan air, dan memacu pertumbuhan mikroba di dalam tanah. Asam fulvat berperan dalam melarutkan sisa-sisa pupuk kimia, memperbaiki tanah dan mengatur aktivitivas mikroorganisme tanah. Olah tanah konservasi (OTK) merupakan cara penyiapan lahan yang dapat mengurangi kehilangan tanah dan air kerena erosi dan penguapan dibandingkan dengan cara-cara penyiapan lahan secara konvensional. Penelitian ini bertujuan untuk mengetahui pengaruh sistem olah tanah dan pemberian pupuk nitrogen jangka panjang pada pertanaman jagung terhadap kandungan asam humat dan asam fulvat tanah, serta mengetahui interaksi anatar sistem olah tanah dan pemupukan nitrogen jangka panjang terhadap asam humat dan asam fulvat tanah. Faktor pertama adalah sistem olah tanah yaitu T1= olah tanah intensif, T2= olah tanah minimum, T3= tanpa olah tanah, dan faktor kedua adalah pemupukan nitrogen yaitu N0= tanpa pemupukan dan N2= pemupukan 200 kg N/ha. Data yang diperoleh diuji homogenitasnya dengan uji Bartlet dan aditifitasnya diuji dengan uji Tukey dan dilakukan analisis ragam kemudian dilanjutkan dengan uji BNJ taraf 5%. Hasil menunjukkan bahwa olah tanah minimum berpengaruh nyata mampu meningkatkan kadar asam humat dibandingkan pada tanpa olah tanah intensif, sedangkan sistem olah tanah tidak berpengaruh nyata terdahap kadar asam fulvat tanah pada kedalaman tanah 0-5 cm, 5-10 cm, dan -10 cm. Pemberian pupuk nitrogen (N) mampu meningkatkan kadar asam humat di dalam tanah, dibandingkan tanpa pemberian pupuk nitrogen. Pemberian pupuk nitrogen (N) juga mampu meningkatkan kadar asam fulvat di dalam tanah daripada tanpa pemupukan nitrogen. Pada sistem olah tanah dan pemupukan nitrogen memiliki interaksi pada kedalaman 0-5 cm, dan 5-10 cm. Pada kedalaman 0-5 cm dan 5-10 cm olah tanah minimum dengan tanpa pemupukan nitrogen nyata meningkatkan kadar asam humat, sedangkan pada tanpa olah tanah dengan pemupukan nitrogen nyata meningkatkan kadar asam humat. Pada pemupukan nitrogen sistem olah tanah nyata meningkat kadar asam humat dibandingkan tanpa pemupukan nitrogen.
Pemanfaatan Chatbot EVA dalam Meningkatkan Efektivitas Pelayanan Pelanggan pada Kopwan Atsiri Zuraidah, Eva; Novayanti, Deasy; Sanwani, Sanwani; Sulthon, Besus Maula; Fadila, Ahmad Hasan; Rechal, Rechal; Putri, Chintya Amelia; Rivaldo, Ahmad; Kartini, Bunga
Journal of Social Responsibility Projects by Higher Education Forum Vol 5 No 2 (2024): November 2024
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jrespro.v5i2.6133

Abstract

Atsiri Women's Cooperative is a social community organization as a forum and means of developing every member of society that grows and develops on the basis of social awareness and responsibility from and for the community in the region, especially engaged in medium and small businesses. While the membership of the Atsiri Citayem Cooperative, hereinafter referred to as the Cooperative Mothers, is every member of the community. Atsiri Women's Cooperative, Established on December 11, 2011, is located at Jl. Jalan Sedap Malam Raya no 45 Rt 01 RW 12 Atsiri Permai Housing, Ragajaya Village, Bojonggede District. Bogor Regency. Postal Code 16920, engaged in the field of All Kinds of Business. The problem of limited understanding of social media management that has not been carried out in optimization in the UMKM management environment. The use of social media used is still manual for sales information. Artificial intelligence has become the main focus in the development of computer systems that have the ability to resemble the function of the human brain. One of them is the development and utilization of Chatbot Ecosystem Virtual Assistant (EVA) as a tool to help work in various fields and in Kopwan Atsiri, One of which is through further training activities on the use of information technology, online marketing, business management, and other relevant aspects. So that the training and socialization carried out do not stop only in the scope of meetings, but can also be applied by the community in their daily business activities. In this context, the training aims to evaluate the effectiveness of the type of Chatbot Ecosystem Virtual Assistant (EVA), in providing customer service at Kopwan Atsiri. Through the implementation of direct implementation of practicing Chatbot Ecosystem Virtual Assistant (EVA), which is the most efficient in the context of customer service. These results are expected to provide valuable insights for the development and implementation of Chatbot Ecosystem Virtual Assistant (EVA) in improving the effectiveness of customer service, as well as one solution in increasing knowledge, and making it easier to get fast information and provide a more accurate and strong understanding of efficiency.