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Benny Hidayat
university of sumatera utara
Agriculture, Biological Sciences & Forestry

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Pemberian Beberapa Jenis Biochar untuk Memperbaiki Sifat Kimia Tanah Ultisol dan Pertumbuhan Tanaman Jagung Vici Islami Putri; Mukhlis Mukhlis; Benny Hidayat
Jurnal Agroekoteknologi Vol 5, No 4 (2017)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (209.838 KB) | DOI: 10.32734/jaet.v5i4.16435

Abstract

Penelitian rumah kasa bertujuan untuk menentukan bahan baku biochar yang terbaik untuk memperbaiki sifat kimia tanah Ultisol dan pertumbuhan tanaman jagung. Penelitian menggunakan rancangan acak kelompok non faktorial dengan 5 perlakuan yaitu kontrol, biochar jerami padi, biochar TKKS, biochar kulit durian, dan biochar kotoran sapi, dengan dosis 50 g/pot dan 4 blok. Parameter yang diukur adalah pH, C-organik, N-total, P-tersedia, K tukar, umur berbunga, tinggi tanaman, bobot kering tajuk, bobot kering akar, serapan N, P, dan K. Hasil penelitian menunjukkan pemberian biochar mampu meningkatkan pH tanah, C-organik, N-total, P-tersedia, K tukar , umur berbunga, tinggi tanaman, bobot kering tajuk, serapan N dan P akan tetapi tidak berpengaruh dalam meningkatkan serapan K dan bobot kering akar tanaman jagung. Biochar kotoran sapi lebih baik dibandingkan biochar lainnya dalam meningkatkan sifat kimia tanah Ultisol dan pertumbuhan tanaman jagung.
Mapping Of Soil Nutrient Status Rice Field IP-200 and IP-300 in Desa Baru Kecamatan Batang Kuis Kabupaten Deli Serdang Fitra Rizki Aghita Purba; Razali Razali; Benny Hidayat
Jurnal Agroekoteknologi Vol 6, No 3, Juli (2018)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (424.421 KB) | DOI: 10.32734/jaet.v6i3, Juli.18124

Abstract

ABSTRACT The purpose of this research to mapping and compare Soil nutrient status cause by increased Rice Field Cultivation Index in Desa Baru Kecamatan Batang Kuis Kabupaten Deli Serdang. The research was conducted in Desa Baru Kecamatan Batang Kuis Kabupaten Deli Serdang, Research and Technology of Laboratory Agriculture Faculty USU and Research Laboratory PT. Socfindo is done from October 2016 to March 2017, using the Free Survey Grid method with level of  a scale is 1: 10,000 (1 sample representing 1 ha of paddy field). Parameters observed included C-Organic Soil (Walkley and Black), N-Total Soil (Kjedahl Method), P2O5 (25% HCl Extract), K2O ( 25% HCl Extract). The results from Laboratory analysis were grouped using the Land Research Center's criteria in 1983. Mapping and comparing the soil nutrient status (C-organik, N, P2O5, K2O) were done using Geographic Information System (GIS) with Interpolation technique. The result showed there was decreased of C-Organic soil, Nitrogen and K2O due to by the increased of Rice Field (IP), no decrease of nutrient status P2O5 due to by the increase of Rice Field Cultivation.             Keywords: Crop Index (IP), Rice Field, Geographic Information System (GIS). 
Co-Authors Fitra Rizki Aghita Purba Mukhlis Mukhlis Razali ulfa heryani Vici Islami Putri