"six views" in summer management of Lily

1. Look at the seedlings and fertilize. After sowing, lily seedlings began to emerge when the local temperature reached 14-16 ℃. Due to the long emergence time and high nutrient consumption of lilies, seedling fertilizer should be re-applied. Sprinkle with 1000 kg of fully mature human and animal dung or 20 kg of urea every 667m2. In the first ten days of June, when the lily entered the early flowering stage, the underground bulb growth accelerated, which was the key period for the formation of lily yield. 15 kg of urea is applied every 667 square meters. Lily has the habit of liking phosphorus and potash fertilizer, so phosphorus and potash fertilizer should be added properly when topdressing, and the ratio of nitrogen, phosphorus and potassium is 0.6 / 0.8. In early July, if it is found that the fields with yellowing leaves and early senescence can be sprayed with 100 grams of potassium dihydrogen phosphate and 0.5 kg-1 kg of urea for every 667 square meters and 50 kg of water.

two。 Look at the ground and weed. The growing period of lily is about one year, and it is often affected by grass damage, especially in spring and summer, which is the peak of weeds, competing with lilies for nutrients and water. Weeding once in early spring can increase the soil temperature, and weeding can be done 2-4 times in summer. Lily planting density is high, when weeding should be carefully ploughed with narrow hoe, so as not to damage the plant. Can also be used every 667 square meters with grams without a trace or up to 100 grams, mixed into 400-500 times liquid for weeding.

3. Look at the top of the leaf. When the lily seedling grows to about 40 leaves, it is necessary to pick the heart and top it in time, which is an effective measure to control the lily growth, reduce the nutrient loss and promote the underground bulb hypertrophy. Picking the heart and hitting the top can increase the yield of lilies by 8% and 10%. The operation should be done in the morning or evening on a sunny day. Conditional fields can be watered once after topping.

4. Watch buds pick flowers. In June, the lily entered the budding and flowering stage, which was consumed by its reproductive growth. During this period, the growth of underground bulbs is still very active, and the contradiction of nutrient supply is prominent. Therefore, when the lily bud or flower stem grows to 2-4 cm, picking flowers at the right time can effectively promote scale hypertrophy.

5. Look at the waterlogging. Lily is shady and afraid of waterlogging. It is generally cultivated in high border. It is necessary to often clean up the "three ditches" in the field and drain waterlogging and cool down in time to prevent the occurrence of stagnant damage.

6. See a doctor and apply medicine. The main diseases of lily are blight, leaf spot, atrophy, etc., and the main insect pests are grub, leaf spot, ground tiger, aphid, lily mite and so on. Spraying 0.2RU 0.2RU 100 Bordeaux solution at intervals during the seedling period can prevent diseases. If the disease occurs, it can be controlled with 500-800 times of 75% carbendazim wettable powder, 400 times of 50% methyl topiramate, or 400 times of green milk ketone every 667 square meters. If it is found that the root is bitten off and the scale is incomplete, phoxim can be used for prevention and control.