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Fauzi Jamal
University of Sumatera Utara

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P uptake and growth of maize (Zea mays L.) due to the combination of organic matter and SP-36 fertilizer on Ultisol Wida Akasah; Fauzi Jamal; Mohd Madjid Damanik
Jurnal Agroekoteknologi Vol 6, No 3, Juli (2018)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.123 KB) | DOI: 10.32734/jaet.v6i3, Juli.18597

Abstract

The objective of this research is to know the uptake of P and growth of maize (Zea mays L.) due to the combination of organic material and SP-36 on Ultisol. This study used randomized block designed which consist of 2 factors and 3 replications. The first factor is organic material: A (0 ton/ha), B (30 ton/ha husk-pulp compost of Durio zibethinus), C (22,5 ton/ha husk-pulp compost of Durio zibethinus + 7,5 ton/ha chicken manure), D (15 ton/ha of husk-pulp compost of Durio zibethinus + 15 ton/ha chicken manure), E (7,5ton/ha husk-pulp compost of Durio zibethinus +22,5 ton/ha chicken manure), F (30 ton/ha chicken manure) and the second factor is SP-36 : P0 (0 kg P2O5/ha), P1 (100 kg P2O5/ha), P2 (200 kg P2O5/ha), P3 (300 kg P2O5/ha). The results showed that the combination of organic materials significantly influenced soil pH, C-Organic, P-Potential soil, P uptake, stem diameter, dry weight and dry root plant. Aplication SP-36 fertilizer significantly increased P-Potential soil, P plant uptake, stem diameter, dry weight and dry root plant. The interaction of combination of organic matter and SP-36 fertilizer significantly increased P plant uptake. Best dose on this research is 7,5 ton/ha of husk-pulp compost of Durio zibethinus and 22,5 ton/ha chicken manure and 200kg P2O5/ha of SP-36 fertilizer.
The Effect of Combining Organic Material and SP – 36 Fertilizer on Phosphorus Availability and Growth of Maize on Ultisol muhammad syaid rangkuti; fauzi jamal; hamidah hanum
Jurnal Agroekoteknologi Vol 6, No 3, Juli (2018)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.439 KB) | DOI: 10.32734/jaet.v6i3, Juli.18598

Abstract

This research aimed to know the effect of combining organic material and SP – 36 fertilizer on phosphorus availability and growth of maize on Ultisol. The research was conducted in the screen house and chemical and soil fertility laboratory, Faculty of Agriculture, University of Sumatera Utara on January – April 2017. This rearch used randomized block designed which consist of 2 factor and 3 replication. The first factor combining organic material which consist of 6 combining : B0 (control), B1 (100% Tithonia diversifolia compost), B2 (75% Tithonia diversifolia compost + 25% chicken manure),  B3 (50% Tithonia diversifolia compost  + 50% chicken manure), B4 (25% Tithonia diversifolia compost + 75% chicken manure),  (100% chicken manure). The second  factor of SP – 36 fertility which consist of 4 level : P0 (control),  P1 (50 kg/ha P2O5), P2 (100 kg/ha P2O5), P3 (150 kg/ha P2O5). The result showed that the combining of organic material significantly increased soil pH, soil C – Organic, soil P-available, plant height, dry weight of  hoot and dry weight of  root plant. The application of SP – 36 fertilizer significantly increased soil pH, soil P –available, dry weight leaf and dry root plant. The interaction of combining organic material and SP – 36 fertilizer  significantly increased soil P-available, dry weight of  hoot and dry root plant. The best interaction 50% Tithonia diversifolia compost  + 50% chicken manure and 150 kg P2O5/ha significantly increased soil P-available, dry weight of  hoot and dry root plant.