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Hasil dan Komponen Hasil Kedelai (Glycine max L. Merr) yang Diberi Pemupukan Nitrogen Lanjutan pada Fase Reproduktif (R1) Salim, Helmi; Nusifera, Sosiawan; Fathia, Nyimas Myrna Elsa
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (626.217 KB) | DOI: 10.33019/agrosainstek.v1i1.2

Abstract

This research aim to determine the effect of continued nitrogen fertilization to reproductive phase on yield and yield components of soybean. The experiment conducted in teaching and research farm, Faculty of Agriculture, University of Jambi from April to September 2014. The experiment arranged in factorial randomized block design with two replications. First factor were four soybean varieties and second factor were dosages of continued nitrogen fertilization consist of 0 kg ha-1 (n0), 40 kg ha-1 (n1), 50 kg ha-1 (n2) and 60 kg ha-1. Measured variables observed were the length of reproductive phase, number of pods per plant, number of filled pods, weight of 100 seeds, and weight of seed per plant. The result showed that nitrogen did not have effect on evaluated varieties. There were differences in length of reproductive phase, number of pods per plant, number of filled pods, and weight of 100 seeds among soybean varieties. The second nitrogen fertilization with different dosages gave significant effect in number of pods per plant, number of filled pods and weight of seed per plant. Four varieties had same yield potential if developed around research area, but to get larger seed size, Anjasmoro variety was highly recommended. The best dosage to increase yield between varieties was n2 (50 kg N ha-1).
PERTUMBUHAN BIBIT KELAPA SAWIT PADA PEMBERIAN KOMPOS JANJANG KOSONG KELAPA SAWIT DI PRE NURSERY PADA TANAH BEKAS TAMBANG BATUBARA Frans Suheru Ginting; Nyimas Myrna Elsa Fathia
Bioplantae Vol. 1 No. 01 (2015): Bioplantae
Publisher : Bioplantae

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.725 KB)

Abstract

This research aims to know the growth of oil palm seeds and composition of empty oil palm bunches of compost and ex- coal mining soil as a medium for planting oil palm seedlings in pre nursery. This research consists of 4 level of treatment, namely k0: top soil as a control, k: the composition of media from ex-coal mining soil andempty oil palm bunches compost (75%: 25%), k1: the composition of media from excoalminingsoilandempty palm bunches of compost (50%: 50%), k2: the compositionof media from ex-coal mining soil and empty oil palm bunches of compost (25%: 75%).Each treatment was repeated 6 times, so there are 24 units of treatment. The variablesmeasured in this study are number of leaves, stem diameter, total dry weight, leaf areaand dry weight of roots. The results showed that the composition of media from ex-coalmining soil and empty palm bunches of compost can increase oil palm growth seedling.The treatment of 75 % of media from ex coal mining soil: 25% empty of oil palmbunches of compost show the highly number of leaves, stem diameter, total dry weight,leaf area, and dry weight of roots.
Hasil dan Komponen Hasil Kedelai (Glycine max L. Merr) yang Diberi Pemupukan Nitrogen Lanjutan pada Fase Reproduktif (R1) Helmi Salim; Sosiawan Nusifera; Nyimas Myrna Elsa Fathia
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 1 No 1 (2017): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v1i1.2

Abstract

This research aim to determine the effect of continued nitrogen fertilization to reproductive phase on yield and yield components of soybean. The experiment conducted in teaching and research farm, Faculty of Agriculture, University of Jambi from April to September 2014. The experiment arranged in factorial randomized block design with two replications. First factor were four soybean varieties and second factor were dosages of continued nitrogen fertilization consist of 0 kg ha-1 (n0), 40 kg ha-1 (n1), 50 kg ha-1 (n2) and 60 kg ha-1. Measured variables observed were the length of reproductive phase, number of pods per plant, number of filled pods, weight of 100 seeds, and weight of seed per plant. The result showed that nitrogen did not have effect on evaluated varieties. There were differences in length of reproductive phase, number of pods per plant, number of filled pods, and weight of 100 seeds among soybean varieties. The second nitrogen fertilization with different dosages gave significant effect in number of pods per plant, number of filled pods and weight of seed per plant. Four varieties had same yield potential if developed around research area, but to get larger seed size, Anjasmoro variety was highly recommended. The best dosage to increase yield between varieties was n2 (50 kg N ha-1).