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Madjid Damanik
University of sumatera utara
Agriculture, Biological Sciences & Forestry

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The Effect of Rock Phosphate Fertilizer application Urea, MOP, and Dolomite on leaf Phosphorus Content of Produce Palm Oil in Ultisol Tomy Fadillah; Hamidah Hanum; 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 (277.96 KB) | DOI: 10.32734/jaet.v6i3, Juli.18101

Abstract

The aim of the research wasto examine the effect of application rock phosphate, urea, MOP, and dolomite on leaf P content of produce palm oil and see the dynamics of leaf P content of produce palm oil after 6 months of fertilizer application in Ultisol. The research was implemented inPPKS Kebun Aek Pancur Tanjung Morawa using non factorial randomized block design with treatment T0 (without fertilizer), T1 (rock phosphate), T2 (rock phosphate and urea), T3 (rock phosphate and MOP), T4 (rock phosphate and Dolphite), T5 (rock phosphate, urea, and MOP), T6 (rock phosphate, urea, and dolomite), T7 (rock phosphate, MOP, and dolomite), T8 (rock phosphate, urea, MOP, and dolomite), with 3 replications. Parameters measured are P leaf. Result of this research showed that application of rock phosphate, urea, MOP, and dolomite did not affect leaf P content for 6 months after application.   Keywords :palm oil,P leaf,rock phosphate, Ultisol
The Effect of Fertilizer And Chicken Manure On N Uptake and Growth of Maize Crop (Zea Mays L.)On Inceptisol Kwala Bekala. Rezeki Ayu Citra Utama Nasution; Madjid Damanik; Alida Lubis
Jurnal Agroekoteknologi Vol 6, No 3, Juli (2018)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (129.608 KB) | DOI: 10.32734/jaet.v6i3, Juli.18332

Abstract

The aim of the research was to examine the effect of fertilizer and chicken manure on N uptake and growth of maize crop (Zea mays L.) on Inceptisol Kwala Bekala. This research was contacted at Rumah Kasa, Laboratory of Chemistry and Soil Fertility, PT. Nusa Pusaka Kencana Analytical Laboratory & QC (Asian Agri Group) and Research Center of the Faculty of Agriculture, University of North Sumatra. This research used factorial randomized block design consisting of 2 factors with 3 replications of factor I: urea fertilizer (U) with 4 dosage levels: U0= 0 g / polybag, U1 = 1g / polybag, U2 = 1.5g / Polybag, U2 = 2g / polybag and factor II: chicken manure (A) with 4 dosage levels ie: A0 = 0 g / polybag, A1 = 50 g / polybag, A2 = 100 g / polybag, A3 = 150 g / Polybag.The results show that the application of highly significant fertilizer improves N uptake. The provision of chicken manure was highly significant to the increase of soil N uptake and plant height. The best treatment on urea fertilizer U1 = 1g / polybag and chicken chicken fertilizer A3 = 150 g / polybagKeywords:  chicken manure, Inceptisol N uptake, Urea
Co-Authors Alida Lubis Hamidah Hanum Rezeki Ayu Citra Utama Nasution Tomy Fadillah