Summer is the period of lily production, and doing summer field management is the key to guaranteeing high yield and quality of lily. 1. Fertilization In early June, Lily enters the initial stage of flowering. The growth of underground bulbs is accelerated. The amount of fertilizer required is large. It should be followed by Shi Zhuangye, with appropriate application of P and K fertilizers. Generally, 15 kg of urea per mu, and 20 kg of superphosphate, chlorinated. Potassium 10 kg. In early July, the field where the lily leaves yellowed and defermented premature aging was treated with 100 g of monopotassium phosphate, 0.5-1 kg of urea and 50 kg of water per acre. 2, weeding spring and summer is the peak period of weeds in lily fields. Summer weeding can be 2-4 times depending on the situation. Carefully use shallow rakes with narrow rakes. You can also use a traceless gram or 100 grammes per acre. Compatible with 400-500 times the solution in the direction of the row of spray weeding, pay attention to the liquid can not Sprayed on lily plants. 3, topping the lily seedlings have 40 leaves when the choice of sunny morning or evening topping to control the growth of the ground, promote bulb expansion. Pour water after topping. 4, picking flowers Lily buds or flower stems grow to 2-4 cm when the pick flowers, in order to reduce nutrient consumption. 5, drainage lily afraid of earthworms, should be cultivated sorghum, usually clean up the ditch regularly, timely drainage wet down. 6, Lily disease of spraying mainly includes blight, leaf spot, and atrophy. Spraying 0.2:0.2:100 Bolt at the seedling stage can prevent diseases. At the initial stage of the disease, use 75% carbendazim WP 500-800 times, 50% thiophanate-methyl 400 times, and green lactone. 400 times liquid prevention. In addition, we use phoxim for the control of insects such as earthworms and earthworms.