精品SM在线影片 study: trees outfitted with accelerometers could be the future of arborism, agriculture Low-cost 鈥渢ree fitbits鈥 can pinpoint the precise timing of tree activities, like spring bloom or autumn leaf change, according to a new 精品SM在线影片 study. Researchers outfitted two East Boulder ash trees with high-resolution accelerometers, efficiently...