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All Journal Journal of Tropical Soils Jurnal Agrotek Tropika Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Aini, Septi Nurul
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Agriculture, Biological Sciences & Forestry Environmental Science

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PENGARUH GULUDAN DAN PUPUK ORGANONITROFOS TERHADAP ALIRAN PERMUKAAN DAN EROSI PADA PERTANAMAN SINGKONG (Manihot esculenta Crantz) MUSIM TANAM KEENAM Ropiyanto, Ahmad; Banuwa, Irwan Sukri; Aini, Septi Nurul; Afandi, Afandi
Jurnal Agrotek Tropika Vol 10, No 2 (2022): JURNAL AGROTEK TROPIKA VOL 10, MEI 2022
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v10i2.5904

Abstract

Ubi kayu dianggap sebagai tanaman yang menguruskan tanah, karena banyak mengambil unsur hara dan dianggap kurang mampu melindungi tanah dari pukulan air hujan sehingga menjadikan lahan ubi kayu peka terhadap erosi. Tindakan konservasi tanah berupa pembuatan guludan dan pemberian pupuk organonitrofos merupakan upaya untuk mengurangi laju aliran permukaan dan erosi khususnya pada lahan pertanaman singkong varietas Gajah (Manihot esculenta Crantz). Penelitian ini bertujuan untuk mengetahui pengaruh guludan dan pupuk organonitrofos terhadap aliran permukaan dan erosi pada pertanaman singkong. Penelitian dilaksanakan di Laboratorium Lapang Terpadu dan Laboratorium Ilmu Tanah Fakultas Pertanian Universitas Lampung pada bulan Januari hingga Oktober 2020. Penelitian ini menggunakan Rancangan Acak Kelompok Lengkap (RAKL) faktorial 2 x 2, dengan 4 ulangan sehingga diperoleh 16 satuan percobaan. Faktor pertama adalah tindakan konservasi yang terdiri dari G1 (guludan searah lereng) dan G2 (guludan memotong lereng), dan faktor kedua meliputi pemberian pupuk organik organonitrofos yang terdiri dari P0 (tanpa pupuk organonitrofos) dan P1 (pupuk organonitrofos dengan dosis 40 ton ha-1. Hasil penelitian menunjukkan bahwa penggunaan guludan memotong lereng lebih baik dalam mengurangi aliran permukaan dan erosi dibandingkan guludan searah lereng pada pertanaman singkong Gajah. Aliran permukaan 279,44 mm menjadi 213,68 mm (23,53%) dan erosi 35,30 ton ha-1 menjadi 9,54 ton ha-1 (72,97%). Selain itu, Pemberian pupuk organonitrofos 40 ton ha-1 memberikan hasil yang lebih baik dalam mengurangi aliran permukaan dan erosi dibandingkan tanpa pupuk organonitrofos. Aliran permukaan 286,42 mm menjadi 206,69 mm (27,83%) dan erosi 27,19 ton ha-1 menjadi 17,65 ton ha-1(35,08%). 
PENGARUH GULUDAN DAN PEMUPUKAN TERHADAP KEHILANGAN HARA DAN C-ORGANIK AKIBAT EROSI PADA PERTANAMAN SINGKONG (MANIHOT ESCULANTA CRANTZ) TAHUN KEDELAPAN Janata, Muhammad Frayoga; Banuwa, Irwan Sukri; Aini, Septi Nurul; Afandi, Afandi; Afrianti, Nur Afni
Jurnal Agrotek Tropika Vol 13, No 1 (2025): JURNAL AGROTEK TROPIKA VOL 13, FEBRUARI 2025 (ON PROGRESS)
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v13i1.10647

Abstract

Singkong varietas gajah (Manihot esculanta Crantz) merupakah ialah satu varietas dari banyaknya umbi singkong yang banyak dikonsumsi oleh masyarakat di Indonesia. Upaya konservasi tanah dilaksanakan dengan cara penggunaan guludan dan pengaplikasian pupuk guna menghambat erosi dan lajunya aliran permukaan dengan harapan mampu meminimalisir hilangnya unsur hara pada tanah. Penelitian ini bertujuan guna melihat dampak penggunaan guludan dan pengaplikasian pupuk dalam hilangnya unsur hara dan C-organik yang disebabkan oleh erosi. Penelitian dijalankan di Laboratorium Lapang Terpadu dan Laboratorium Ilmu Tanah, Fakultas Pertanian, Universitas Lampung sejak bulan Februari sampai November  2022. Penelitian ini menerapkan Rancangan Acak Kelompok Lengkap (RAKL) dengan 2 faktor yaitu penggunaan guludan dan pemupukan yang dilakukan pengulangan sebanyak 4 kali. Hasil penelitian memperlihatkan jika penggunaan guludan memotong lereng (G2) mempunyai hasil yang lebih baik dalam meminimalisir kehilangan hara dan C-organik akibat terjadinya erosi dibanding dengan penggunaan guludan mengikuti arah lereng (G1). Perlakuan pemberian  pupuk (P1) memberikan hasil yang lebih baik dalam menghambat kehilangan hara dan C-organik dibanding dengan tanpa pemberian pupuk (P0) akibat erosi. Hubungan antara penggunaan guludan dan pemupukan memiliki nilai tidak berpengaruh nyata pada setiap variabel yang diamati.
PENERAPAN MOL IN SITU DALAM MENDUKUNG PENGELOLAAN SAMPAH ORGANIK UNTUK MEWUJUDKAN PERTANIAN ORGANIK DI KELURAHAN PINANG JAYA, BANDAR LAMPUNG Ramadhani, Winih sekaringtyas; Aini, Septi Nurul; Afandi, Afandi; Buchari, Henrie; Febriana, Jonah
Jurnal Pengabdian Fakultas Pertanian Universitas Lampung Vol. 1 No. 2 (2022): Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Publisher : Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpfp.v1i2.6273

Abstract

Pinang Jaya adalah Kelurahan di Bandar Lampung yang memproduksi sayur-mayur. Saat ini pemupukan sayur-mayur masing menggunakan pupuk kimia. Selain itu tingginya limbah rumah tangga yaitu nasi basi yang tidak termanfaatkan mengakibatkan terjadinya pencemaran lingkungan. Sehingga perlu dilakukan pengomposan limbah organik menjadi Mikroorganisme Lokal (MOL) in situ untuk mengurangi penumpukan limbah organik serta mampu menjadi pupuk organik cair. MOL limbah in situ dijadikan sebagai bahan pembenah tanah untuk mendukung sistem pertanian “Safe and Healthy Farm” dalam mewujudkan pertanian organik. Kegiatan pengabdian dilakukan dengan ceramah, demonstrasi, demoplot dan evalusi kegiatan. Sasaran dari kegiatan ini yaitu warga di Pinang Jaya dan anggota Safe and Healthy Farm. Berdasarkan hasil kegiatan pengabdian menunjukkan bahwa terjadi peningkatan pemahaman terkait pemanfaatan limbah organik berupa nasi basi in situ menjadi MOL sebesar 75%. Indikator penilaian pemahaman peserta pengabdian dinilai dari hasil pre-test dan post-test. Pada hasil pre-test pemahaman warga terkait MOL sangat rendah yaitu 20%. Setelah dilakukan penjelasan serta demontrasi pembuatan MOL, peserta pengabdian mengalami peningkatan pemahaman, hasil test setelah kegiatan yaitu 95%. Hal ini menunjukkan bahwa  warga Pinang Jaya telah memahami pengelolaan limbah rumah tangga menjadi produk MOL in situ. 
Minimum Tillage and in situ Mulch Increasing the Population and Biomass of Earthworms Under Mung Bean Cultivation on Ultisol Soil Aini, Septi Nurul; Yusnaini, Sri; Tunsiyah, Tunsiyah; Niswati, Ainin
JOURNAL OF TROPICAL SOILS Vol. 24 No. 3: September 2019
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2019.v24i3.141-148

Abstract

Earthworms are important soil biota that can be used as  an indicator of soil fertility. Soil tillage systems and application of organic mulch will affect the activity of earthworms. This research was aimed to study the effect of tillage systems and the application of in situ mulch, and their interactions on the population and the biomass of earthworms. The study was conducted from April to July 2017 at the Integrated Field Laboratory, Faculty of Agriculture, University of Lampung. The study was arranged in a Randomized Block Design (RBD) in a factorial treatment with two factors.  The first factor was the tillage system  which consisted of the minimum tillage and the intensive tillage. The second factor was the application of in situ mulch, which consisted of the application of 0 Mg ha-1 or without mulch and the application of 5 Mg ha-1  in situ mulch.The data obtained were tested for homogeneity of variance with the Bartlett Test and its additivity with the Tukey Test. Data were further analyzed for the analysis of variance and for the LSD’s Test at the level of 5%. The relationship between soil temperature, soil moisture content, soil organic-C and soil pH with population and biomass earthworm was tested by correlation test. The results showed that the earthworm population and the earthworm biomass at 80 DAP in the minimum tillage  was higher than that of the intensive tillage. The earthworm population for all detected planting stages (before tillage, 40 DAP and 80 DAP) with the of application of 5 Mg ha-1 in situ mulch was higher than that of the application of no mulch.  There is no interaction between the tillage system and the application of in situ mulch at 0 DAP, 40 DAP, and 80 DAP.  The genus of earthworms found in all treatment plots was genus Pheretima under the family of Megascolecidae.
The Phytoextraction of Copper from Tropical Soil 21 Years after Amendment with Heavy-Metal Containing Waste Silva, Gianluigi; Aini, Septi Nurul; Buchari, Henrie; Salam, Abdul Kadir
JOURNAL OF TROPICAL SOILS Vol. 26 No. 1: January 2021
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2021.v26i1.11-18

Abstract

Several particular plants are suggested to extract significant parts of heavy metals from soils and accumulate them in their roots and shoots.  This research aimed to study the phytoextraction of Cu by several plants from heavy-metal contaminated tropical soils.  Soil samples collected from plots treated in 1998 with 0, 15 and 60 Mg industrial waste ha-1 were planted with three different plants, i.e., caisim, water spinach, and lettuce.   Plant parts (roots and shoots) and soil samples were harvested after a four-week growth period and analyzed for plant and soil Cu.  The results show that the growth of plants was depressed by the increase in the soil Cu (extracted by 1 N HNO3) as affected by waste levels, with water spinach being the most progressive and produced the most significant biomass.  The absorption of Cu by caisim and water spinach increased with the soil extracted Cu (linear R2 = 0.71* for caisim and 0.32* for water spinach) and accumulated greater in plant roots than that in shoots. The translocation factor (TF << 1.00) indicates that all plants were good Cu phytostabilizators rather than phytoextractors, with water spinach being the best Cu extractor.
The Behavior of Ammonium Exchange (Q/I) in Soil, Nitrogen and Carbon Uptake, and Mung Beans (Vigna radiata L.) Yields as Affected by Tillage and Fertilization at the Sixth Planting Period in Ultisol Soil Aini, Septi Nurul; Nurtyas, Omita Mega; Lumbanraja, Jamalam; Salam, Abdul Kadir
JOURNAL OF TROPICAL SOILS Vol. 27 No. 3: September 2022
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2022.v27i3.121-131

Abstract

Ultisol soil has a low organic matter content, CEC, and pH, causing an insufficient buffering capacity for N nutrients, especially NH4+. The objective of this study was to determine the effect of tillage and fertilization on the quantity and intensity (Q/I) of Ammonium (CRNH40, PBCNH4+, NH40, KG) in the soil, plant N and C uptake, and mung bean yields at the sixth growing season in ultisols. This study was arranged in a 2 × 2 factorial in a Randomized Block Design (RBD). The first factor was the tillage system (T), namely minimum tillage (T0) and intensive tillage (T1). The second factor was the fertilization (P), namely without fertilizer application (P0), and with fertilizer application (NPK 200 kg ha-1 + 1 Mg ha-1 chicken manure) (P1). Each treatment was replicated four times. The results showed that the application of NPK fertilizer significantly affected the mung bean yield, mung bean plant Nitrogen and Carbon uptake at harvest time. While, the intensive tillage had a very significant effect on increasing the N uptake compared to the minimum tillage. Minimum tillage and fertilization increased Q/I parameters (PBCNH4+, KG, CRNH40, and NH40). The parameter of Q/I (CRNH40) was significantly correlated with mung bean plant N and C uptake. PBCNH4+ and KG were significantly correlated with mung bean yields.
Changes of Soil Chemistry Characteristics of Tephra Mount Anak Krakatau-Indonesia, Through Leaching Experiment Setiawati, Astriana Rahmi; Lumbanraja, Jamalam; Kurnia, Ananda Ika; Hidayat, Manarul; Aini, Septi Nurul; Prasetyo, Dedy
JOURNAL OF TROPICAL SOILS Vol. 28 No. 2: May 2023
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2023.v28i2.57-70

Abstract

Studying the weathering process in pristine volcanic materials is crucial as this process will determine further soil characteristics. Mount Anak Krakatau is reported as one of the fastest-growing volcanoes. This volcano erupted powerfully in December 2018, ejecting tons of volcanic materials. These materials are considered pristine and unweathered tephra. Hence, a leaching experiment can be one of the crucial methods to predict further soil characteristics formed as climatic factors. Tephra sampling was conducted on 13 Augustus 2019 or eight months after the massive eruption of Mount Anak Krakatau in December 2018. Tephra samples were leached by deionized water (H2O), oxalic acid (H2C2O4) 0.02 M, and citric acid (C6H8O7) 0.02 M (solvents) for 90 days. pH of tephra increased approximately from  (3.95– 4.99 ) to (5.12–8.11). Organic-C rose about 0.2 to 1 point higher than organic-C of tephra before the leaching experiment. The increasing value of organic-C was predicted to increase CEC (Cation Exchange Capacity) (2.13–5.36 cmolc kg-1). After the leaching experiment, the tephra’s surface was weathered clearly as an impact of solvents and the growing of algae.
Co-Authors Abdul Kadir Afandi Afandi Afrianti, Nur Afni Ainin Niswati, Ainin Dedy Prasetyo Febriana, Jonah Henrie Buchari, Henrie Hidayat, Manarul Irwan Irwan Jamalam Lumbanraja Janata, Muhammad Frayoga Kurnia, Ananda Ika Nurtyas, Omita Mega Ramadhani, Winih Sekaringtyas Ropiyanto, Ahmad Setiawati, Astriana Rahmi Silva, Gianluigi Sri Yusnaini Tunsiyah, Tunsiyah