In the united states, the daily management of red maple is one, watering: water should be poured every five days (water out before 20 september)1 at a level greater than 3cm (generally about 5 days, depending on the soil and weather), each time it is watered (when the side trees are watered, when the partition is removed, at least two times each time it is filled with pits); 2 or after the water is poured, the soil should be covered in time to ensure that it reaches the level of the mouth (but not exceed the level of the mouth); 3 or the water should be drained in a timely manner and not accumulate; 4 or when the water is watered every 20 days, the root of the tree should be poured with vermin (1,000 times)。
5 guaranteed water basin size 80 cm diameter; ii, improved soil 1 and approximately 250 g (0. 5 bags), 7-8kg (n, p, k and no more than 8%, fermented over a long period) organic fertilizers (n, p, k) 7-8kg, 150 g, etc., are evenly mixed with soil around 20 cm deep in the surface (if conditions allow deeper); ii, sulphur decrease soil ph (1) time: 7-september, 1 per 1. 5 month; in july, approximately 250 g (0. 5 bags), 7-8 kg (approximately 1 bag), organic fertilizers (n, p, k) and around 20 cm from tree dry soil, respectively; iii, 1 application, root fertilization (1) time: 1 applied before the end of july, 1 application per year; (2) fertilizer and use: 30 g/s and 10 g/s of phosphate; (3) use of the law: 150 g/spreading at 20 cm, estration of soil and 2 fertilation times; (b) leaf fattening (n: p:k: 30:10:10) 1000 times; (iii) leaf spraying; (iv) pest control (mainly combating mites and ox): 1 time per month, 1 time per month from july to october; (ii), pharmaceutical preparations and usage: 2,500 times more than triazine (or filamentary death or dictum 2000 times more than 2,000 times destruction); (ii) do not take drugs when temperatures exceed 26°c; (iii) 600 times more than 200 times the amount of cylindrium + 1,500 times the amount of high-efficiency pyrethrin; (iii) use: 4 drugs are not mixed with water; (v) antiflies are sprayed with water; (v) oxin and larvae are sprayed with: (i) injection of a stem and trans-flant liner; and (ii) “t-crew” or “t-crop” is used with “t-crew” or “t-crew” at “t-trop” length。
