1. Application time. Farmhouse fertilizers are slow to be effective and should be applied early. Generally, they are applied once before sowing. However, the amount of chemical fertilizer is small, and the effect is quick. Generally, it should be applied about 7 days before the peak of nutrient absorption.
2. Application method. Farmyard manure should be combined with deep tillage into the soil tillage layer, or combined with ridges to buckle into the bottom of the ridge. Nitrogen fertilizer with farmyard manure, 30% as base fertilizer, 70% as top dressing, phosphate fertilizer and potash fertilizer as base fertilizer applied once.
3. The amount of application. Fertilizer and farmyard manure application, the amount can be different according to crop and soil fertility, such as planting corn on infertile ground, 4 cubic meters of farmyard manure per fertilizer, 24kg of urea, 13kg of phosphate fertilizer, or 3 15% of compound fertilizer 13kg; medium fertility soil can be applied to farmer's fertilizer 3 cubic meters, urea 20kg, or 3 15% of compound fertilizer 12kg; high-fertility soil can apply farmer's fertilizer 2.5 cubic meters, urea 15kg. Urea is better used in top dressing, and compound fertilizer is better in base fertilizer.
Elevator Door Modernization, Elevator Door System Modernization, Elevator Complete Door Modernization, Elevator Complete Door System Modernization
Neglecting elevator door equipment jeopardizes riding public safety and increases owner liability. Modernizing elevator door equipment is important in making an older elevator system more reliable, safe, code compliant, efficient, and provides a more marketable appearance. This is particularly true with door operators. Door operators undergo tremendous wear and tear in daily operation. Each time the elevator stops, the door operators are activated at least two times, more frequently if occupants manually hold the doors open. Some elevator maintenance companies report that nearly 75 percent of their service calls are for malfunctioning door operators
Elevator Door Modernization, Elevator Door System Modernization, Elevator Complete Door Modernization, Elevator Complete Door System Modernization
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