Which kind of irrigating fertilizer should be used in greenhouse planting?
Which kind of irrigating fertilizer should be used in greenhouse planting? Please introduce that in the greenhouse, attention should be paid to the selection of fertilizers such as microbial flushing fertilization or humic acid and water-soluble fertilizer, which can not only alleviate soil salinization but also improve soil temperature. Choose biological fertilizer. Biological fertilizer can release the fixed nitrogen, phosphorus and potassium in the soil and promote the improvement of soil fertility. The effect of using biological fertilizer in the aged greenhouse is more significant. In order to ensure that vegetables absorb enough nutrients, it is suggested that vegetable farmers should use biological fertilizer and compound fertilizer alternately. Choose humic acid fertilizer. Because of the high content of nitrogen, phosphorus, potassium and other nutrients in the aged greenhouse soil, humic acid fertilizer can improve the utilization rate of phosphorus, potassium and some trace elements in the soil. Humic acid fertilizer has a synergistic effect on phosphorus and potassium. On the basis of increasing the application of humic acid fertilizer, the amount of chemical fertilizer can be reduced appropriately, which can be reduced by about 1 to 3. The commonly used humic acid fertilizers in vegetable production are nitro-humic acid, ammonium humate, sodium humate, potassium humate, nitro-humic acid potassium, diammonium humate, humic acid phosphate fertilizer and so on. Choose fully water-soluble fertilizer. The amount of all-water-soluble fertilizer is small, the greenhouse of one mu of land can only use 10 to 15 jin, and the utilization rate is as high as 85%, which can supplement the nutrition needed by crops, and it is worth popularizing the way of washing fertilizer when it is used alternately with biological bacterial fertilizer in winter. Click to get more water-soluble fertilizer application techniques
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What is the difference between irrigating fertilizer and compound fertilizer?
What is the difference between irrigating fertilizer and compound fertilizer? Please introduce Flushing Fertilizer, also known as Water Fertilizer, that is, to dissolve solid quick-acting chemical fertilizer in water and take fertilizer with water. From the point of view of fertilizer use, crops mainly rely on the root system to absorb nutrients, and the root hair area about 1 cm from the root tip is the most active area for nutrient absorption. ...
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What are the types of irrigation and fertilization? How do I use it?
What are the types of irrigation and fertilization? How do I use it? Please guide flushing fertilization into the following categories: first, a large number of elements, including nitrogen fertilizer, potash fertilizer, phosphate fertilizer, calcium fertilizer, magnesium fertilizer, sulfur fertilizer and other single fertilizers, can also be compound fertilizers, compound fertilizers and formula fertilizers, but they must be soluble in water.
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