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Nelvia '

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Author-ID : 3189504

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Environmental Science Industrial & Manufacturing Engineering

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Efek Pemberian Beberapa Sumber Fosfat dan Mikoriza Vesikular Arbuskula pada Bibit Tanaman Jarak Pagar (Jatropha curcas L.) di Medium Gambut Anis Tatik Maryani; Nelvia '
Jurnal Sagu Vol 8, No 02 (2009)
Publisher : Universitas Riau

This research was conducted at experimental plot, Faculty of Agriculture Riua University from September 2007 to Januari 2008. This research aimed to know the influence of mycoriza application, type of phosphate, and interaction of both factor, and the best mycoriza dosage and phosphate type toward the growth of Jathropa curcas seed. This research was conducted by Completely Randomized Design (CRD) consisted of 2 factor with 3 replication. The first factor was mycoriza application, and second factor was the application of some phosphate sources. The result of Various investigation Analysis was tested by Duncan’s New Multiple Range Test (DNMRT) at 5% level. The parameters observed were plant height, number of leaves, stem diameter, dry weight, root protrude ratio, and percentage of mycoriza. It may be concluded from the research that the interaction between natural phosphate of Huinan China with 10 g mycoriza/polybag improves the growth of Jathropa curcas seed.

PERTUMBUHAN DAN PRODUKSI JAGUNG MANIS {ZEAMAYS VARSACCHRATA STURT) PADA TANAH GAMBUT YANG DI APLIKASI AMELIORAN DREGS DAN FOSFATAIAM Nelvia '; Rosmimi '; Join Sinaga
Jurnal Sagu Vol 9, No 2 (2010)
Publisher : Universitas Riau

Maize production technologies that are available on the fertile land has been able to increase prodnctivityfrom 5.0 to 10.0 tons of dry beans per hectare, but the technology on marginal lands such as peatbinds are notyet avaihibte so its productivity is veiy low. Dregs is alkaline and conuins essential macro and mkro nutrientsso it has potential to be applied as fertilizer and ameliorant in peat The research aimed to study the growth andproduction of sweet com, with application of iregs as ameiiorant and phosphorus source. Peat soil wasobtained from experiment plot, faculty- of ^ricuHure in Rambo Panjang village, Kampar and firqpi was obtainedfrom PT RAPP Kcrinci, Riau. Experiments used completely randomized design of factorial 4x4 which werearacliorant dregs (0, S, 10 and 15 tons/ha) and source of phosphate (SP-M, FA Huinan China, ChristmasIsland and Petrokimia Gresik) and each treatment was repeated 3 times. Dregs characterization resultsshowed that solid waste is not identified as waste according to Rcgulatkin No. B3. No. 18 Jo. 8S Year in 1999.Dregs Applications of 5 tons / ha increased dry weight of straw and crop production of 93-97% and 106-l<3*^ respectively on each source of phosphate compared with no application of dregs. Tbe highest dryweight of straw and production of about 150-260% were obtained at dregs application of 10 tons / ha whiledregs application of 10 tons / ha resulted in the highest production of about 150-260%.

Co-Authors Adriani ' Al Ikhsan Amri Anis Tatik Maryani Ardian ' Bariyanto ' Dwi Wulandari Dwika Jepita Edison Anom Hendi Erwandi Idwar, Idwar Islan ' Join Sinaga M. Amrul Khoiri Maryati ' Melda Octvaiana Neni Natasia Nia Surani Silaban Onky Febrion Ricki Arianci Ridwan Amali Rika Yunita Rosmimi ' Sampurno ' Sri Yoseva Sudarso ' Sukandar ' Suryani ' Wardati ' Wawan ' Yulistia Septari

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