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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

Gusnidar Gusnidar

Prodi Ilmu Tanah Fakultas Pertanian Universitas Andalas Padang, Sumatera Barat, Indonesia 25163

Author-ID : 271346

Agriculture, Biological Sciences & Forestry Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Mathematics Other

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PENGARUH KOMPOS JERAMI PADI PLUS TITHONIA DAN BIOCHAR TERHADAP SIFAT KIMIA TANAH SAWAH M. Lucky; Syafrimen Yasin; G Gusnidar
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

The low level of soil fertility resulted in a decrease in productivity intensification of rice fields. One of the efforts conducted by farmers to improve fertility is the continuous 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 improve soil chemical properties intensification of rice fields, and then looked the 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 randomized complete block 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 results showed that the 25% compost (J+T) and 75% biochar was the best combination to improve soil chemical properties intensification of rice fields. The 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; and exchangeable Mg 0.57 cmol kg-1.

PENGARUH APLIKASI KOMPOS GRANUL DENGAN PEREKAT LIAT TERHADAP SIFAT KIMIA REGOSOL Ulfia Fadilla; G Gusnidar; Syafrimen Yasin
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Regosol has low fertility, especially carbon (C), nitrogen (N), phosphorus (P), potassium (K) and other macro elements, but it can be potential for agriculture cultivation. Addition of straw compost and tithonia granule (Kojeto granule) with clay binder can improve chemical soil fertility. This study aimed to determine the composition of the Kojeto granule with a clay binder and to define the interaction between type of Kojeto granule and dosage of compost granule in the chemical characteristics of Regosol. This research was conducted in a wirehouse and soil laboratory, Andalas University. The experiment used a completely randomized factorial design, with two factors and three replications. The first factor was the ratio between compost composition and clay binder 9:1 and 8:2. The second factor was 4 levels of granule compost doses (0; 7,5; 15; 22,5 t ha-1). The results showed that the best composition ratio between Kojeto and clay binder on chemical properties was 9:1. The type of Kojeto 8:2 and dosage (22 t ha-1) had an interaction on Ca-dd (3.75 me 100 g-1). The single effect on the type compost granule at type 9:1 was parameter C-org (2.23%), and single effect on increasing the dosage of granule compost at a dose of 15 t ha-1 was C-org (2.30%), N-tot (0.27%), P-available (14,30 ppm), pH (5,80), and K-dd (0.62 me 100 g-1). The optimal recommended dose is 15 t ha-1.

PENGARUH APLIKASI KOMPOS JERAMI PADI+PANGKASAN TITHONIA DAN BIOCHAR SEKAM PADI TERHADAP SERAPAN NITROGEN, FOSFOR, DAN KALIUM SERTA PRODUKSI PADI METODE SRI (SYSTEM OF RICE INTENSIFICATION) DI KOTA PADANG Erick Yuhardi; G Gusnidar; Syafrimen Yasin
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

A study that was aimed to examine the effect of rice straw + tithonia pruning compost and rice husk biochar application on N, P and K uptake and rice production of SRI (System of Rice Intensification) method, was carried out from November 2019 - February 2020 in Kuranji District, Padang City, West Sumatra. This study used a randomized block design consisting of 6 treatments and 3 replications. The treatments were A = control, B = 100% K (compost), C = 75% K + 25% B (biochar), D = 50% K + 50% B, E = 25% K + 75% B, and F = 100% B. The results showed that there was an increase of N, P and K uptake by rice with the application of 25% compost + 75% biochar. The treatment increased plant height, total tiller number and grain weight by 30 cm, 25.34 stems and 5.47 t ha-1, respectively higher than that in control.

Co-Authors . Adrinal . Burbey A. Maulana Amrizal Saidi Annisa Fitri Burbey Burbey Chici Anche Darmawan Darmawan Dedy Iskandar Dian Fiantis Erick Yuhardi Erick Yuhardi Fachri Ahmad Fachri Ahmad Gunadi Gunadi Gunadi Gunadi Gunadi Gunadi Hakim, Nurhajati Herviyanti Herviyanti Irwan Darfis J Juniarti M. Harianti M. Lucky Mimien Harianti Muhammad Lucky Nalwida Rozen Nurhajati Hakim Nurhajati Hakim Rantau Andhika Resi Ezrari Rina Alfina Riza Sofiyani Rosa Nofianti Saftia Laila Rajmi Sulaiman Saleh Suyoko Suyoko Syafrimen Yasin Syaiful Syaiful Teguh Budi Prasetyo Tutik Oktaviana ulfia fadilla Yulnafatmawita Yulnafatmawita

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