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Benny Hidayat
Program Studi Agroekoteknologi, Fakultas Pertanian, USU, Medan
Agriculture, Biological Sciences & Forestry

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The Utilization Of Some Of Biochar To Retain N-Total In Inceptisols Ulfa Heryani; Benny Hidayat; Mukhlis
Jurnal Pertanian Tropik Vol. 5 No. 3 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.836 KB) | DOI: 10.32734/jpt.v5i3.3103

Abstract

Nitrogen is very important nutrient growth of plant but eassy lost from soil. The aim of this researc to get the best biochar feedstock in maintaining N-total in the Inceptisol soil. Theresearch was carried out in the laboratory using the method of experiment. This research was carried out with complete randomized design non factorial with the treatment without biochar (controls), and 4 types of biochar from palm empty fruit bunches, rice straw, rice husks and wood, is repeated four times. The observed parameters are pH H2O,CEC, & N-total ground. The results showed that the four types of biochar can increase the pH H2O, CEC, N-total ground. Loss of Nutrient N decreased significantly due to the granting of biochar palm empty fruit bunches. Absorption capacity of biochar to reduce leaching of N in the soil of inseptisol sorted from largest to smallest is biochar palm empty fruit bunches, rice husk, rice straw and wood.
Availibility of P, K in paddy Land Under Organic application Fitra Syawal Harahap; Abdul Rauf; Benny Hidayat; Hilwa Walida; Jamidi; Lisdyani
Jurnal Pertanian Tropik Vol. 5 No. 3 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (635.748 KB) | DOI: 10.32734/jpt.v5i3.3117

Abstract

Organic materials in situ remaining paddy crops in paddy fields are much abandoned by farmers. Most of the remaining harvested are burned, stacked in the cultivated, or used for animal feed or as a fungus. Straw compost is source of Potassium (K) and Silica (Si). About 80% of K absorbed by plants is in the straw. The return of straw to the soil may slow the impoverishment of Potassium (K) in the soil. This study aims to find out how the availability of phosphorus (P) and potassium (K) nutrients by giving organic matter as soil fertility status in paddy fields in Beringin Subdistrict, Deli Serdang Regency and to review management alternatives that are in accordance with the soil fertility status in the Central Land Rice fields in Beringin Subdistrict, Deli Serdang Regency. This research was carried out in the Central Rice Field in Beringin Subdistrict, Deli Serdang Regency ± 11 meters above sea level. The taking of soil samples was taken in the upper layer at the top soil depth of 0-20 cm, 20-40 cm and the coordinates were recorded using GPS (Global Positioning System). While information on land management is obtained by direct observation in the field and in-depth interviews with farmers in snow ball which aims to obtain complete information from farmers. Soil samples that have been taken in the field are then analyzed in the laboratory. Soil chemical properties analyzed in laboratory soil chemical properties analyzed at P2O5 Bray II (ppm) laboratory K2O Hcl 25% (mg / 100g). To determine the chemical properties of soil with certain criteria that have been determined. Based on Technical Guidelines for Evaluation of Soil Fertility The direction of management of soil fertility needs to be added to organic matter and phosphorus fertilization regularly so that soil fertility can be sustainable. Further research is needed in order to find out the addition of phosphorus fertilizer and organic matter in each unit of land.
Ketersediaan Hara Fosfor Akibat Pemberian Biochar Sekam Padi dan Pupuk Kandang Sapi pada Inceptisol Kuala Bekala Mayendra; Kemala Sari Lubis; Benny Hidayat
Jurnal Pertanian Tropik Vol. 6 No. 2 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.953 KB) | DOI: 10.32734/jpt.v6i2.3179

Abstract

Fosfor merupakan salah satu unsur hara makro yang sangat diperlukan oleh tanaman. Penelitian bertujuan untuk mengetahui ketersediaan hara fosfor akibat pemberian biochar sekam padi dan pupuk kandang sapi pada tanah Inceptisol Kwala Bekala yang dilakukan di Rumah Kasa. Penelitian ini menggunakan rancangan acak kelompok dengan dua faktor dan tiga ulangan. Faktor pertama biochar sekam padi dengan 4 taraf: 0 g/pot; 25 g/pot; 50 g/pot dan 75 g/pot. Faktor kedua pupuk kandang sapi dengan 4 taraf: 0 g/pot; 25 g/pot; 50 g/pot dan 75 g/pot. Hasil penelitian menunjukkan bahwa pemberian biochar sekam padi sebanyak 50 g/pot meningkatkan ketersediaan hara fosfor sebesar 10,95 ppm, pemberian pupuk kandang sapi sebanyak 50 g/pot meningkatkan ketersediaan hara fosfor sebesar 14,25 ppm, dan interaksi biochar sekam padi 50 g/pot dan pupuk kandang sapi 50 g/pot mampu meningkatkan ketersediaan hara fosfor sebesar 11,01 ppm.
Co-Authors Abdul Rauf Fitra Syawal Harahap Hilwa Walida Jamidi, Jamidi Kemala Sari Lubis Lisdyani Mayendra Mukhlis Ulfa Heryani