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All Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Wikrama Parahita : Jurnal Pengabdian Masyarakat Jurnal Pengabdian Pada Masyarakat Paspalum: Jurnal Ilmiah Pertanian Soil REns Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat
Marenda Ishak Sonjaya Sule
Agroteknologi, Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Other

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Journal : Soil REns

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Land Capability and Suitability Assessment for Sweet Potato (ipomoea batatas l.) in Cimanggung Sub District, Citarik Sub watershed, West Java Rina Devnita; Marenda Ishak Sonjaya Sule; Cucu Suherman; Apong Sandrawati; Widara Almaghfirah Ismail
Soilrens Vol 19, No 2 (2021)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v19i2.38358

Abstract

Cimanggung Sub District, located in the area of Citarik Sub Watershed, West Java, Indonesia, is one of important watershed that support life and water need. However, the pollution in this sub watershed is high, degraded the environment. Therefore, the agricultural management must be suitable with land capabilty and land suitability. The objective of this resarch was to evaluate the land capability and suitability for sweet potato (Ipomoea batatas, L). The assessment used the limiting factor for land capability and matching table for land suitability. The results showed that the Cimanggung Sub District consisted of 13 land mapping unit (LMU) with land capability classes: II- L2,E1,R1, LMU 8; III-P4, LMU 10; IV- L3, KE6, LMU 1, 2, 4, 6, 9, 12 and 13; VI-L4, LMU 5 and 7; VII15, LMU 3 and11. Areas suitable for agriculture were classes II, III, and IV (LMU 8, 10, 1, 2, 4, 6, 9, 12 and 13) and the areas non suitable for agriculture were classes VI and VII (LMU 5, 7 and 3). The actual land suitability for Cilembu sweet potato was S3 at LMU 8 and 10 and N1 at LMU 1, 2, 4, 6, 9, 12, and 13 with the main limiting factors were nutrient retention and rooting zone. Liming is the management that can be used to improve potential land suitability to LMU 1, 2, 4, 6, 12 and 13, which improve Nnr to S3nr, and to LMU 8 and 10, improve S3nr to S2nr. Clay fraction limiting factor in LMU 9 was irreparable.
Pengaruh Dosis dan Frekuensi Pemberian Pupuk Tunggal (N,P,K) dan Pupuk Majemuk NPK Terhadap N-Total, P-tersedia dan K-dd Padi Sawah (Oryza sativa L.) pada Inceptisols Siswanto, Shantosa Yudha; Wianggadana, Rangga; Harryanto, Rachmat; Setiawan, Ade; Sonjaya Sule, Marenda Ishak
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.61738

Abstract

The study was conducted to determine the effects of dosage and frequency of applying single fertilizers (N,P, K) and compound NPK fertilizers on total nitrogen (N-total) using lowland rice (Oryza sativa L.) grownin Inceptisols. The research was carried out in rice fields located in Ciparay, Jelekong Subdistrict, BaleendahDistrict, Bandung Regency. A Randomized Complete Block Design (RCBD) was employed, consisting of seventreatments with three replications: (1) Control, (2) Single NPK fertilizer (grade 123,75-36-50), Frequency3, (3) Compound NPK Pelangi fertilizer (grade 80-40-40), Frequency 3, (4) Single NPK fertilizer (grade 8040-40),Frequency 3, (5) Single NPK fertilizer (grade 123,75-36-50), Frequency 2, (6) Compound NPKPelangi fertilizer (grade 80-40-40), Frequency 2, and (7) Single NPK fertilizer (grade 80-40-40), Frequency2. The results indicated that, in general, fertilization applied twice yielded the highest N-total values.Meanwhile, fertilization applied three times resulted in higher available phosphorus (P-available) levels.However, differences in fertilization treatments did not significantly affect exchangeable potassium (K) inInceptisols.
Co-Authors Abraham Suriadikusumah Adawiah, Aliya Zahrah Ade Setiawan Ade Setiawan Alifa Salsabila Anindya Apong Sandrawati Betty Natalie Fitriatin Cucu Suherman Dani Lukman Hakim Emma Trinurani Sofyan Fiky Yulianto Wicaksono Geavani Meidinisa Setiadi Gustian, Daffa Gamyam Herislan, Raihan Febriana Hidayat, Syamsuddin Ichsan Nurul Bari Irwandhi Nadia Astriani Nadia N Kamaluddin Pujawati Suryatmana Rachmat Harryanto Reginawanti Hindersah Rina Devnita Satria, Rievansyah Eka Shantosa Yudha Siswanto Siswato, Shantosa Yudha Triyani Dewi Wianggadana, Rangga Widara Almaghfirah Ismail