Abstract
This device is mainly designed for fertilization works for different kinds of fruit trees. It could simplify the traditional fertilizing methods, which are separately digging, fertilizing, and filling to one combined step. The simplified step is riding the device around the tree with three different operations easily done by one person. This advanced device is composed by rack, screwing handle, opener, wheel, filling devices and controlling sets. When operating, people just need to get the arc slot of the device rack stuck upon the root of the tree, then push screwing handle in order to ride the device around the tree. In this way, the digging, fertilizing combined with filling can be easily done together. By the help of controlling sets, we can change the amount, depth, height, and distance of the fertilization for different operators according to the size, growing condition and other condition of the tree. This device is capable saving efforts, labor and time, reducing the damage to the roots, fertilizing in a well-distributed way. Especially, it is suitable for hilly terrain and orchard where large-size machinery could not work.
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