The growth period of lettuce is shorter, and fertilization should be combined with organic fertilizer and chemical fertilizer, combined with nitrogen, phosphorus and potassium. Fertilization method is based on basal fertilizer, timely fertilizer. Basal manure can be used to decompose livestock manure, per acre with 1000 to 2,000 kilograms of decomposed livestock manure, 50 kg of nitrogen, phosphorus, and potassium compound fertilizer, deep-turn 20 cm, so that the soil and fertilizer are mixed, smashing, and spraying at the same time. General tree maintenance sterilizes and reduces pathogens. In the early stage, nitrogen-based ternary compound fertilizer was used for 30 kg/mu. The application of acupoints or trenches was applied. The soil was applied on the back of the plant and 800 times of the new high-fat membrane was sprayed to increase the utilization of the effective components of the fertilizer. After the rosette leaves grow, the plants have been ridged and the fleshy stems have been swollen. Spraying Zhuang stalks in time will make the stem thick and thick, the leaves thick, the leaves fresh, the plants lush, and the natural taste strong. At the same time, it can increase the ability to resist disasters, reduce the amount of pesticides and fertilizers, and reduce residual poisons. And topdressing high-nitrogen, high-potassium compound fertilizer, combined with top dressing 2 to 3 times.
Athletics Sport Aluminum Wheelchair
This classification is mainly to provide a variety of sport wheelchair, Wheelchair, Speed King Wheelchair,Rugby Wheelchair, Fencing Wheelchair, Tennis Wheelchair, Ping pong Wheelchair .
Basketball Wheelchair, Speed King Wheelchair,Rugby Wheelchair, Fencing Wheelchair, Tennis Wheelchair, Ping pong Wheelchair
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