從苦楝樹種子提煉天然殺蟲劑 （在國語来自台湾） （男性和女性角色）
3,598 views · Published 30 October 2014 · 2:55 · Indexed 25 October 2026
Channel: SAWBO™ Scientific Animations Without Borders · 2014 · Education
從苦楝樹種子提煉天然殺蟲劑 （在國語来自台湾） （男性和女性角色） 這個影片說明如何利用苦楝樹的種子來做天然的殺蟲劑 Natural Insecticide from Neem Seeds in Mandarin Chinese (accent from Taiwan) (with Female and Male characters) Naturally occurring insecticidal compounds can be extracted from neem seeds and sprayed onto crops to prevent pest insect damage. This 2 minute and 33 second animation explains how to sort neem fruits, dry them, remove their outer shells, sort the seeds, grind them, mix the powder in water, filter the mixture, and then prepare the solution necessary for spraying on the crops.
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