How to grow parsley in greenhouse?

How to grow coriander in greenhouse? Please introduce the greenhouse planting coriander can be planted with reference to the following methods: First, sowing coriander is generally sown in late October to early December. After the coriander is sown and before emergence, 250 - 300g of 25% herbicide ether wettable powder or 100 - 200g of 50% prometryne wettable powder is used per mu, and 75 - 90kg of water is mixed evenly. Spraying on the surface of the bed can obtain good weed control effect. Second, management coriander seedlings about 8 days after sowing, seedling temperature should be higher, keep 20 degrees Celsius to 25 degrees Celsius during the day, 10 degrees Celsius to 15 degrees Celsius at night. After emergence, it is maintained at 17 ° C to 20 ° C during the day and 10 ° C at night. During the day, the temperature exceeds 25 degrees Celsius and stops when it drops to 20 degrees Celsius. When seedlings are 4 to 5 cm tall, plant spacing is maintained at 2 to 3 cm. Coriander seedlings generally do not water, seedlings about 10 cm high into the growth peak, can choose sunny morning watering fertilization, ammonium sulfate per mu 10 to 15 kg or ammonium nitrate 5 to 10 kg. During the growth period, topdressing is required once and watering is required twice or three times. Coriander grows faster, 30 to 50 days after sowing, plant height of about 20 cm can be harvested. Third, pest control coriander pests to aphids and cutworms mainly. Aphids are controlled by spraying 2000 - 3000 times of 50% aphimicarb or 50% aphidicarb mist wettable powder once every 6 - 7 days for 2 - 3 consecutive times. Click for more cilantro growing techniques Click for more vegetable growing techniques