Objective To evaluate the methods and the effects of an Airway Management nursing team in clinical practice Airway Devices,Laryngeal Mask Airways,Extraglottic Airway Devices,Supraglottic Airway Devices Zhejiang Hisern Medical Device Co., Ltd , https://www.hisernmedical.com
The principle of fertilization is based on the soil fertility conditions, and the amount of nitrogen and phosphorus fertilizers should be appropriately adjusted; organic fertilizers should be added to promote organic and inorganic coordination; based on the soil potassium status of the cotton fields, potash fertilizers should be used efficiently, and attention should be paid to the combined application of boron and zinc; Fertilizer application rate should be combined with high yield and good quality cultivation techniques.
Fertilization is recommended under the conditions of 70-90 kilograms per hectare of lint cotton. The total amount of fertilization is 2000 kilograms of high quality farmyard manure, 11 to 13 kilograms of nitrogen fertilizer, 5 to 7 kilograms of phosphate fertilizer, and 5 to 7 kilograms of potash fertilizer. For boron and zinc-deficient cotton fields, pay attention to boron and zinc fertilizer.
35% to 40% of nitrogen fertilizer is used as basal fertilizer, 35% to 40% is used in the early flowering period, 15% to 20% is used in flowering stage; Phosphorus fertilizer is all used as base fertilizer; Potash fertilizer is all used as base fertilizer or base recovery (early flowering period) half. From the flowering stage, on the weaker growing cotton fields, combine spray 0.5% ~ 1.0% urea and 0.3% ~ 0.5% potassium dihydrogen phosphate solution 50 ~ 75 kg / times, spray once every 7 ~ 10 days, Continuous spraying 2 to 3 times.
Huanghuaihai Region Cotton Fertilization Suggestion
The problem is that the amount of nitrogen-phosphorus fertilizer is generally high, organic fertilizer is insufficient, and the deficiency of trace elements such as boron and zinc occurs from time to time.