March
The temperature began to rise, and after mid-year, the seedlings began to sprout.
1. Spring irrigation: due to the drought and windy spring and large evaporation, in order to prevent spring drought, water should be irrigated in time.
2. Fertilization: After the soil is thawed, apply the base fertilizer while irrigating to enhance the growth stamina of the seedlings.
3. Prevention and control of pests and diseases: measures such as manual removal of eggs, overwintering pupae or spraying chemicals. , Should take the method of spraying lime-sulfur mixture or coating dry to prevent its rot disease.
April
As the temperature continues to rise, the planted seedlings begin to sprout and enter a period of vigorous growth.
1. Irrigation, fertilization, and pest control continue.
2. Pruning: Cut off the dry branches and remove the buds on the trunk. The mold pattern should be trimmed.
May
The temperature rises sharply and the trees grow rapidly.
1. Irrigation: The seedlings need to be irrigated in a timely manner during the period when the seedlings are branched out and the leaves are expanded.
2. Fertilization: combined with watering, topdressing urea and other nitrogen fertilizer (concentration about 2-3%) or foliar fertilization as needed.
3. Trees peel off buds and tillers to prevent and control diseases and insect pests. Pay special attention to the dry-boring pests of boxwood.
June
The temperature is high and hot.
1. Irrigation, topdressing, and appropriate thinning of trees with large crowns and dense leaves.
2. Grass: timely hoe the weeds under the trees to prevent weeds.
3. Preparation for drainage: Drainage ditch is dug in low-lying land in advance to be drained by rainy season.
4. Prevention of pests and diseases
July
The temperature is very high in July and the rainy season begins.
1. Waterlogging drainage: after heavy rain, water drainage should be timely to prevent waterlogging. Especially the boxwood pattern drainage in the low-lying area.
2. Topdressing: apply dry before rain.
3. Inspection and emergency rescue: As the trees are close to the sea, in the event of a storm, the trees are prone to collapse, etc., the support should be reinforced in time or in advance.
4. Prevention and control of pests and diseases: The second generation of Hyphantria vulgaris is more harmful, so you should remove the screen or spray pesticides to prevent larvae.
August
It is still the rainy season.
1. Drainage, inspection, pruning, weeding, and prevention and control of plant diseases and insect pests are interleaved.
2. Foliar water spray: near the seashore, during this period, the sea moss is heavier, and there is more salt on the foliar surface. We should spray water on the leaves frequently to prevent the sea moss from corroding the leaf surface.
September
The temperature drops.
1. Fertilization: Apply some phosphorus and potassium fertilizers to some seedlings with weak growth and insufficient branches.
2. Weeding, pest control, etc.
October
The temperature continued to drop, and the seedlings began to shed their leaves and gradually entered the dormant period.
1. Irrigate antifreeze water: start to pour antifreeze water according to the temperature in the last ten days.
2. Prevention and control of pests and diseases: use artificial methods to capture eggs and pupae.
November
The soil began to freeze and entered the mid-winter season. Fill the soil before freezing, prevent and control diseases and insect pests, etc.
December
The north is in the lowest temperature period, and the open field seedlings are in a dormant state, so basically no measures are taken for the maintenance and management of the seedlings. January and February are the same as December.