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All Journal Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Ilmu-Ilmu Pertanian Indonesia AKSIOMA: Jurnal Program Studi Pendidikan Matematika AGRIVITA, Journal of Agricultural Science Jurnal Solum Journal of Tropical Crop Science JURNAL AGROHITA Community Development Journal: Jurnal Pengabdian Masyarakat Journal Of Human And Education (JAHE) Journal Arunasita
Gusnidar, G
Fakultas Pertanian Universitas Andalas Padang
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Journal : JURNAL AGROHITA

 1 
APLIKASI KOMPOS (JERAMI+TITHONIA) DAN BIOCHAR DENGAN MENGGUNAKAN KOMBINASI YANG BERBEDA DALAM UPAYA PENINGKATAN SIFAT KIMIA TANAH PADA LAHAN SAWAH DENGAN METODE SRI (SYSTEM OF RICE INTENSIFICATION) DI KOTA PADANG Erick Yuhardi; Gusnidar Gusnidar; Syafrimen Yasin
Jurnal AGROHITA: Jurnal Agroteknologi Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan Vol 5, No 2 (2020): Jurnal Agrohita
Publisher : Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jap.v5i2.2081

Abstract

Penelitian Aplikasi Kompos (Jerami + Tithonia) Dan Biochar Dengan Menggunakan Kombinasi Yang Berbeda Dalam Upaya Peningkatan Sifat Kimia Tanah Pada Lahan Sawah Dengan Metode SRI (System Of Rice Intensification) dilaksanakan pada bulan November 2019 - Februari 2020 di Kecamatan Kuranji, Kota Padang, Sumatera Barat dan di lanjutkan di Laboratorium Jurusan Ilmu Tanah, Universitas Andalas. Tujuannya adalah mengkaji pengaruh aplikasi kompos (jerami + tithonia) dan biochar terhadap sifat kimia tanah pada lahan sawah dengan metode SRI. Penelitian ini menggunakan rancangan acak kelompok (RAK) yang terdiri dari 6 perlakuan dan 3 ulangan. A= kontrol, B= 100%K (kompos), C= 75%K + 25%B (biochar), D= 50%K + 50%B, E= 25%K + 75%B, F= 100%B. Data analisis tanah diuji dengan kriteria penilaian ciri kimia tanah. Hasil penelitian menunjukkan terjadi peningkatan nilai pada perlakuan 25%K (setara 1,87 ton ha-1) + 75%B (5,62 ton ha-1) seperti pH 1,33 (unit), Eh 17,4 (mV), N-total 0,49 (%), C-organik 0,78 (%), P-tersedia 14,75 (%), KTK 19,83 (cmol kg-1), Ca-dd 0,48 (cmol kg-1), Mg-dd 0,45 (cmol kg-1), Na-dd 0,44 (cmol kg-1) dan K-dd 0,27 (cmol kg-1) dibandingkan dengan kontrol. Perlakuan terbaik adalah kompos 25% + biochar 75% dalam meningkatkan sifat kimia tanah sawah kecuali C-organik dan Ca-dd.
HUBUNGAN BAHAN ORGANIK TANAH DENGAN SUHU PERMUKAAN PADA BERBAGAI PENGGUNAAN LAHAN DI NAGARI PADANG LAWEH KABUPATEN SIJUNJUNG Gunadi Gunadi; Juniarti Juniarti; Gusnidar Gusnidar
Jurnal AGROHITA: Jurnal Agroteknologi Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan Vol 5, No 2 (2020): Jurnal Agrohita
Publisher : Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jap.v5i2.2272

Abstract

Padang laweh located in Koto VII, West Sumatra has 1.569,92 ha area which was dominated by mixed holder agriculture. The availability of soil organic C is influence by land management. Vegetation density will increase the soil organic C content, but an increase in soil temperature can increase the rate of soil organic matter decomposition which will decrease the soil organic C content. The purpose of study was to analyze the relation of soil organic matter (SOM) and soil organic carbon stock (SOCS) with land surface temperature. The study was conducted using a survey method consisting of 5 stage, namely preparation, pre survey, main survey, analysis of soil in laboratories and data processing. Soil sampling was taken in purposive random sampling under several land unit (LU), the LU were limited by soil order, slopes, and land use. Based on the land unit map, there are 14 land unit. Soil samples was taken in a composite manner at a depth of 0-20 cm. Parameter analysed were organic-C, particulate organic-C, and BD. Surface temperature measurement are carried out directly in the field using a mercury thermometer. The data of research result are processed statistically using simple linear regression equations. The result showed that the surface temperature measurement of rice field has highest temperature of 34 0C, and the rubber plantation has the lowest temperature 28 0C. Organic-C affects to soil BD, the higher organic-C value the lower BD value. The highest soil organic matter content (4.29%) and the highest carbon stock (41 kg/m2) was found in land unit 10 with rubber plantation with slope 8-15% and decreased with increasing slope. The results of the regression analysis showed that surface temperature did not have a significant effect on the value of SOM and SOCS.Keywords:  Regresi equation, Soil survei, Topografi
PENGARUH KOMPOS JERAMI PADI PLUS TITHONIA DAN BIOCHAR TERHADAP SIFAT KIMIA TANAH SAWAH Muhammad Lucky; Syafrimen Yasin; Gusnidar Gusnidar
Jurnal AGROHITA: Jurnal Agroteknologi Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan Vol 5, No 2 (2020): Jurnal Agrohita
Publisher : Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jap.v5i2.2160

Abstract

The low level of soil fertility resulted the decrease of productivity intensification of rice fields. One of the effort is conducted by farmers to improve the fertility are continous application of synthetic fertilizer (PS). Intensive use made PS cause pollution and soil damage. This study was aimed to identification at the best combination the straw plus tithonia compost (J+T) and biochar to improving soil chemical properties intensification of rice fields, and than look effect of increasing compost (J+T) and biochar to soil chemical properties intensification of rice fields. This research was conducted in rice fields in Kuranji, Padang City, West Sumatera. The experimental design used a rondomized complete blok design. The treatments were 0% compost (J+T) and 0% biochar; 100% compost (J+T); 75% compost (J+T) and 25% biochar; 50% compost (J+T) and 50% biochar; 25% compost (J+T) and 75% biochar; 100% biochar. The data were analyzed the variance using F-test DNMRT 5% level. The result showed that the 25% compost (J+T) and 75% biochar the best combination to improvement soil chemical properties intensification of rice fields, that dosage increased soil pH by 6,30; Eh 65,00 mV; organic C 2,53%; organic M 4,35%; total N 0,93%; available P 26,00 ppm; CEC 40,48 cmol(kg)-1; exchangeable K 1,47 cmol(kg)-1; exchangeable Ca 1,06 cmol(kg)-1; exchangeable Na 0,67 cmol(kg)-1; exchangeable Mg 0,57 cmol(kg)-1.
Co-Authors . Adrinal . Burbey A. Maulana Adilla Sy Mahdiyah Al Ikhlas, Al Ikhlas Ali Ramatni Amrizal Saidi Andhika, Rantau Annisa Fitri Auliadesti, Vivin Azwar Rasyidin Burbey Burbey Burbey, . Chatarina Umbul Wahyuni Chici Anche Darfis, Irwan Dedy Iskandar Dian Fiantis Dodi Setiawan Erick Yuhardi Erick Yuhardi Fachri Ahmad Fachri Ahmad Gunadi Gunadi Gunadi Gunadi Gunadi Gunadi Hakim, Nurhajati Hermansah Hermansah Herviyanti Herviyanti Hidayati, Helsa Huriati, Nining J Juniarti Kenti, Helda M. Harianti M. Lucky Maulana Insanul Kamil Melinda Yusri Rizki Mimien Harianti Muhammad Lucky Nalwida Rozen Nurhajati Hakim Nurhajati Hakim Pahmi Pahmi Rahayu, Indah Rantau Andhika Resi Ezrari Rian Novita Rina Alfina Riza Syofiani Rosa Nofianti Rukhmana, Trisna Saftia Laila Rajmi Saleh, Sulaiman Sulaiman Saleh Suyoko Suyoko Syafrimen Yasin Syaiful Syaiful Teguh Budi Prasetyo Tutik Oktaviana Ulfia Fadilla Yulnafatmawita Yulnafatmawita Yulnafatmawita, .