The dense varieties Liaodan 565 and Liaodan 1211 were selected.
The "three-by-three-space" planting method: the ridge spacing is 47 cm, the spacing between the ridges is 20-22 cm, the spacing between the ridges is 40-44 cm, and 4 ridges are used as a cycle, that is, three ridges and one ridge are planted, and three ridges are on both sides. Confidential, intermediate lean, cycle accordingly. Seed spacing from 32 to 35 cm; 4000 seedlings from 4500 seedlings; Fertilization: 30 kg of compound fertilizer per mu, a bag of chicken manure, 5 kg of diammonium or 5 kg of potassium sulfate.

Objective To evaluate the methods and the effects of an Airway Management nursing team in clinical practice

Airway Devices

Airway Devices,Laryngeal Mask Airways,Extraglottic Airway Devices,Supraglottic Airway Devices

Zhejiang Haisheng Medical Device Co., Ltd ,