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Seed trees are trees left after reproduction cutting to provide seeds for natural regeneration in the seed-tree method. These trees serve as both the gene source for the new crop of regeneration and as a source of timber during future cuttings. Because of its importance, a seed tree should be carefully chosen based upon both economic and biological factors. Selected seed trees should be the desired species, phenotypically superior, prolific in seeding and flowering, sturdy and healthy, free of damage, and of good growth form.
A nutrient solution supply device for greenery seed trees
The utility model provides a kind of nutrient solution supply device for afforestation seed tree, belong to afforestation nursing technical field, including symmetrically installed arc plate, the inside of arc plate is all set up with installation cavity and is provided with liquid supply frame in inside, the top of liquid supply frame is provided with internal thread pipe, the top of internal thread pipe is connected with the external thread pipe of the bottom of injection tube, the inside of the bottom of liquid supply frame is all provided with multiple spray heads, spray head penetrates the inside of arc plate bottom, recessed groove is set in the outside close to the top of arc plate, recessed groove is movably provided with from gear, from gear is engaged transmission by main gear, the output end of micro motor is connected to the bottom of main gear, the utility model has beneficial effect: through the nutrient solution in injection tube inside and flow into to liquid supply frame finally by spray head spray, micro motor drives main gear rotation, main gear engages transmission from gear, to drive arc plate rotation around trunk, evenly spray nutrient solution around trunk.
Owner:ROAD & BRIDGE INT CO LTD