After the vegetables begin to produce results, when they need to replenish nutrients, most growers only rely on watering every time or fertilizing the leaves to supplement their nutrition. Although irrigation and spraying can quickly supplement the nutrients, the results will be watered once a week or more than 10 days, so that most of the fertilizer will infiltrate the soil within reach of the vegetable root system, causing great waste. In fact, there are many ways to top-dress, in order to make up for the nutrients that are needed during the growing period of vegetables, and to prevent the emergence of de-fertilization, the following methods of fertilization can also be adopted.
1, ditch application. During the fruitful period of vegetable production, organic manure, such as dry chicken manure or soybean cake, shall be applied in the operation line or planting line, and about 600-800 pounds of pounds of fertilizer may be applied per acre. These manures will be turned into the ground in combination with the ground. This method is less waste of fertilizer, but also pay attention to 10 cm away from the base of the vegetable stem to prevent injury. As these fertilizers have a long pot life, they can effectively avoid defermentation of vegetables in the later stages.
2, including fertilizer. It is in the vegetable colonization line or between the strain and the plant, applying or applying fertilizing material, and then covering the soil on both sides of the planting line to tightly pack the fertilizer. This method of fertilization mostly uses organic fertilizer or compound fertilizer.
3, use fertilizer application equipment. You can use fertilizers to apply around the roots.
There are many topdressing methods, and each has its own advantages and disadvantages. Different modes of fertilization should be selected according to the timing and needs of fertilization. Do not only look for flushing and spraying.
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