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Hasil Pencarian

Ditemukan 5 dokumen yang sesuai dengan query
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Shenly Marie Tobias Gazo
Antimicrobial and herbicidal properties of the fruticose lichen ramalina from guimaras island, Philippines
" Lichens, a unique symbiosis between a mycobiont and a photobiont organism, are known to produce metabolites that can be tapped as biopesticides for agriculture. Such property of the fruticose lichen Ramalina collected within Guimaras Island, Philippines was investigated in this study. A total of 195 specimens were collected and characterized using conventional morphological and chemical analyses. These lichens were identified as Ramalina farinacea, R. roesleri, and R. nervulosa. To test their potential application in agriculture, ... "
Bogor: Seameo Biotrop, 2019
634.6 BIO 26:1 (2019)
Artikel Jurnal  Universitas Indonesia Library
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Sigit Purwantomo
Studi viabilitas pasca pengeringan dan pengaruh kadar air, serta suhu simpan pada pengawetan Biji Artocarpus heterophyllus Lam
" ABSTRAK Pentingnya penyimpanan biji telah dikenal manusia semenjak manusia mulai mendomestikasi tumbuhan. Telah diketahui bentuk hubungan antara kadar air dan viabilitas pada biji utuh dan potongan biji yang mengandung embrio Artocarpus heterophyllus Lam. Viabilitas diukur dengan nilai daya hantar listrik (DHL atau konduktivitas). Setiap 1,5 jam sekali dilakukan pengamatan terhadap kadar air biji dan nilai DHL yang dilakukan sampai waktu pengeringan 6 jam melalui 3 macam metode pengeringan (silica gel, matahari, dan oven suhu 40°C). Hasil uji ... "
Depok: Universitas Indonesia, 1997
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UI - Tesis Membership  Universitas Indonesia Library
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Zimdahl, Robert L.
Weed science : a plea for thought-revisited
" Weed scientists are confident of increasing production through agricultural technology, including herbicides, but do not must ask if the moral obligation to feed people is sufficient justification for the benefits and harms achieved. A continuing, rigorous examination of the science?s goals that leads to appropriate change is advocated. Weed scientists have a research consensus, a paradigm, weeds must be controlled. Herbicides are the best control technology. Agriculture's practitoners should discuss the necessity and risks of ... "
Dordrecht: Springer-Verlag, 2012
e20417905
eBooks  Universitas Indonesia Library
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Hamim
Growth, photosynthesis and proline accumulation of metal-accumulator weeds
" The experiment aimed to examine the growth and some physiological parameters of five metal-accumulator weed species in response to mercury (Hg) and lead (Pb) treatment. Five weed species (Branchiaria mutica, Cyperus kyllingia, Ipomea aquatica, Mikania micrantha, and Paspalum conjugatum) were grown in water culture using half strength Hoagland’s solution and subjected to Hg(NO3)2 and PB(NO3)2 at 0,  0.25 and 0.5 mM for 3 weeks. The growth, photosynthesis, lipid peroxidation and proline content were observed ... "
Bogor: Seameo Biotrop, 2020
634.6 BIO 27:3 (2020)
Artikel Jurnal  Universitas Indonesia Library
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Benati Karimah
Efektivitas Penggunaan Mulsa Daun Bambu dalam Menghambat Gulma dan Meningkatkan Pertumbuhan Tanaman Tomat = Effectiveness of Bamboo Leaf Mulch in Inhibiting Weeds and Increasing Growth of Tomato Plants
" Mulsa plastik telah banyak digunakan oleh petani di Indonesia dalam budidaya tanaman tomat. Penggunaan mulsa plastik dinilai efektif dalam meningkatkan pertumbuhan tanaman dan menghambat gulma. Namun, penggunaan mulsa plastik dalam jangka panjang dapat mencemari lingkungan karena mulsa plastik sulit terurai. Penggunaan mulsa organik dapat menjadi alternatif dalam menghambat gulma, salah satunya mulsa daun bambu. Mulsa daun bambu diketahui dapat menghasilkan senyawa alelokimia untuk menghambat gulma. Tujuan dari penelitian adalah untuk menganalisis efektivitas penggunaan mulsa daun ... "
Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2021
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UI - Skripsi Membership  Universitas Indonesia Library