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Nurul Sumiasri
Pusat Penelitian Bioteknologi LIPI
Agriculture, Biological Sciences & Forestry Education

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THE EFFECT OF SEVERAL CONCENTRATIONS OF SAKAWA PLANT GROWTH REGULATOR ON SEED GERMINATION AND SEEDLING GROWTH OF LERAK (Sapindus rarak DC) ON COMPOST MEDIA Sumiasri, Nurul; Priadi, Dody; Kabinawa, I.N.K.
BIOMA Vol 1, No 1, April (2011): Bioma
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Study of the effect of several concentrations of plant growth regulator (Sa-kawa) on seed germination and seedling growth of lerak (Sapindus rarak D.C ) on compost media was carried out in the Plant and Animal Germplasm Garden of Cibinong. The objective of this study was to know optimum concentration of plant growth regulator on growth of lerak This study was arranged by using randomized complete design (RCD) with 3 (three) replications. The treatments of concentrations variation of plant growth regulator i.e.  0 (control), 1, 2 and 3 ml/l were used. Each treatment consists of 5 samples (individuals).. The results showed that  the good concentration to the growth parameter  such as growth percentage, plant height, total leaves, root length and total root were 2 ml of Sakawa in  1ml/l (one liter of water). Keywords: sakawa plant growth regulator, growth, seedling, Sapindus rarak compost
MODEL OF AGROECOSYSTEM IN JEMBER REGENCY Sumiasri, Nurul
BIOMA Vol 1, No 2, Oktober (2011): Bioma
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The objective of this study to know several models of agro-ecosystems in Jember regency.Study about model of Agro-ecosystem of Jember regency was carried out at seven districts in Jember regency i.e Ambulu, Gumukmas, Tempurejo, Bangsalsari, Jeng-gawah, Rambipuji and Puger during January to February 2011. The method of this study was survey to 10 respondents (head families), the respondents were taken by sampling in each district. The primary data were collected with direct observation and interview with respondents (KK), while the secondary data, collected with study literature and internet orientation. Data analyzed with D & D method.The results showed that there were six (6) models of agro-ecosystem which can be found in Jember regency i.e irrigation rice field, dry area, home gardens, fish pond, coastal pond and plantation.Key words: Agroecosystem, model, Jember regency
Co-Authors Dody Priadi I.N.K. Kabinawa