Seedling Maintenance Management Program

Since in January, February and December, Dalian was at the lowest temperature and the nursery stocks in open fields were dormant, the maintenance and management of seedlings basically did not take measures.
In March: Temperatures began to rise. After mid-day, seedlings began to sprout.
1. Spring irrigation: Because of the dry and windy spring, the amount of evaporation is large. In order to prevent the spring drought, irrigation should be timely.
2. Fertilization: After the soil is thawed, the basal fertilizer is applied at the same time as the irrigation to enhance the growth of the seedlings.
3, pest control: manual removal of eggs, overwintering or spraying pesticides and other measures. It should be sprayed with lime sulfur or dried to prevent its rot.
In April: The temperature continues to rise. The planted seedlings begin to sprout and enter a vigorous growth period.
1. Irrigation, fertilization, and prevention of pests and diseases continue.
2. Pruning: Cut off the dry branches and remove the sprouting buds on the trunk. Patterns should be trimmed.
In May: The temperature rises sharply and the trees grow rapidly.
1. Irrigation: Seedlings are planted and the leaves are in full bloom. The water requirement is very large.
2, fertilization: combined with water, topdressing nitrogen fertilizer and other nitrogen (concentration of about 2-3%) or foliar fertilizer according to need.
3, trees, buds, go to pestle, pest control, in particular, pay attention to the trunk pests.
June: The temperature is high and hot.
1. Irrigation, topdressing, and appropriate sparse cutting of trees with dense crowns and leaves.
2, weeding: timely weeding under the trees to prevent grassland.
3. Prepare for drainage: Drain the ditch in advance so as to be drained by the rainy season.
4. Prevention and control of pests and diseases In July: The temperature is very high this month and it begins to enter the rainy season.
1. Exhaust water: After heavy rain, it should be drained in time to prevent flooding. Especially in the low-lying area of ​​boxwood drainage.
2, top dressing: dry before the dry application.
3, inspection and rescue: As the trees near the beach, in case of storms, prone to tree tripping, etc., should be reinforced in time or in advance.
4. Control of pests and diseases: The second generation of H. cuneae is a more serious hazard and should be promptly removed from the net or sprayed with pesticides to prevent larvae.
August: It is still the rainy season.
1. Drainage, inspection, pruning, weeding, pest control and other work are interspersed.
2. Foliar spray: approaching the sea. During this period, the sea bream is heavier, with more salinity attached to the foliage, and the leaf should be sprayed frequently to prevent the sea lice from damaging the foliage.
September: The temperature drops.
1, fertilization: For some weak growth, branches are not full of seedlings, topdressing some phosphorus, potassium fertilizer.
2, weeding, pest control and so on.
In October: The temperature continues to fall and the seedlings begin to fall into the dormant period.
1, irrigation antifreeze: In the late of the year according to the temperature conditions began to irrigation antifreeze.
2. Control pests and diseases: Use artificial methods to capture eggs and cockroaches.
November: The soil begins to freeze and enter the winter season.
3. Before the soil is frozen, the water is poured and the pests and diseases are prevented.

QGJ Series Clamping Cylinder

Wuxi ASK Pneumatic Machinery Co.,Ltd ,