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All Journal Journal TABARO Agriculture Science PERTANIAN TROPIK
Tenri Sau
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Journal : PERTANIAN TROPIK

 1 
Rice Ratoon Physiology: Effectiveness of Application N P K and Dolomite on Lowland Paddy Syahrullah, Syahrullah; Triasni, Aprilia; Tenri Sau
Jurnal Online Pertanian Tropik Vol. 8 No. 2 (2021): JURNAL ONLINE PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (638.133 KB) | DOI: 10.32734/jopt.v8i2.6548

Abstract

The yield of ratoon rice technology has the potential to match the production of the main crop or the yield of the first crop. As a result of continuous chemical fertilization, the paddy soil becomes acidic. This study aims to obtain information on the effectiveness of neutralizing soil pH and fertilizing nutrients N, P, and K in increasing the yield of ratoon rice. The design used was a randomized block design with one factor, namely fertilization, there were 7 types of fertilization treatment for rice plants, namely N (p1), P (p2), K (p3), N + Neutral (p1 Neutral), P + Neutral (Rice Ratoon Physiology: Effectiveness of application N P K and  Dolomite On Lowland paddy Neutral), K + Neutral (p3 Neutral) and NPK + Neutral (P4). Observations were made on the growth and production characteristics of the main and ratoon plants as well as on ratoon roots. The results showed that the application of nutrients to the soil with a neutral pH had a significant effect on the growth and production of the main rice plants and ratoons. This study proves that neutralizing soil pH plays an important role in the effectiveness of fertilizing N, P, and K nutrients that are ready to be absorbed by ratoon rice plants.
Biochar from Raw Materials Arundo Spp; Effect on Corn Plant Growth and Production Iwar Barus; Guna Darman; Syahrullah; Ambo Upe; Tenri Sau
Jurnal Online Pertanian Tropik Vol. 10 No. 2 (2023): JURNAL ONLINE PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jopt.v10i2.15181

Abstract

Biochar is widely used for water and soil remediation due to its local availability and low production costs. However, its effectiveness depends on the physicochemical properties related to the raw material and pyrolysis temperature, as well as the environmental conditions where it is used. Additionally, biochar is susceptible to natural aging caused by changes in soil or sediment moisture, which can alter its redox properties and interactions with contaminants such as arsenic. Therefore, we are interested in conducting fundamental research on raw materials from grass types and their influence on the growth and production of QPM corn plants. In this research, we carried out laboratory content tests and field experiments. The treatments were: p0 control, p1 = 3 tons ha-1 biochar, p2 = 6 tons ha-1 biochar, p3 = 9 tons ha-1, p4 = 12 tons ha-1, p5 = 15 tons ha-1. The experimental results showed that the administration of biochar made from Arundo Spp. 12 tons Ha-1 can increase the effective growth and production of corn plants
Co-Authors Ambo Upe Ambo Upe Guna Darman iwar Barus Syahrullah Syahrullah Syahrullah Triasni, Aprilia