Five major taboos to avoid when applying zinc fertilizer
Our country is vast in territory and rich in resources, with a great variety of climate types, suitable for growing many different crops. When developing the planting industry, no matter what we grow, we need to do a good job of fertilizing. Fertilizers are generally based on organic fertilizers, nitrogen, phosphorus and potassium fertilizers, etc. However, the application of trace fertilizers such as zinc fertilizer should not be ignored either. When applying zinc fertilizer, there are five major taboos we need to pay attention to. So what exactly are they? Let's take a look below!
1. Avoid blind application
When applying zinc fertilizer, we must apply it purposefully and in a targeted way. Only for soils deficient in zinc or crops with a high demand for the zinc element will applying zinc fertilizer have an effect. Usually, if the zinc content of the soil is lower than 0.5mg per kg, then applying zinc fertilizer can achieve an effective fertilizer effect. On the contrary, if the zinc content is higher than 1mg per kg, then its effect will not be very obvious. Crops that are relatively sensitive to the zinc element include grain crops such as rice and corn, as well as vegetable crops such as onions and sugar beets.
2. Avoid excessive application
Zinc fertilizer is a kind of trace element fertilizer. Compared with basic elements such as nitrogen, phosphorus and potassium, the demand of crops for zinc fertilizer is generally not very large. Excessive application will not do, but it must not be lacking either. If too much is applied, it will easily cause crop poisoning and instead affect crop growth. When applying zinc fertilizer, if it is used as a base fertilizer, the amount should be controlled according to the zinc content of the soil. When applying it as a top dressing, an appropriate amount of fine soil should be mixed in for broadcasting.
3. Avoid applying together with phosphate fertilizer
Zinc fertilizer is of course very important for crop growth and is an indispensable element for the growth of many crops. However, when applying it, we should pay attention to reasonably matching the fertilizers applied together. Among them, note that it must not be applied together with phosphate fertilizer, because if zinc fertilizer and phosphate fertilizer are mixed together, it will easily form a precipitate of zinc phosphate. This kind of precipitate will not only reduce the fertilizer effect of zinc fertilizer, but the effect of phosphate fertilizer will also be affected as a result.
4. Avoid applying together with alkaline fertilizers
In addition to phosphate fertilizer, zinc fertilizer also must not be mixed and applied together with alkaline fertilizers such as lime and ammonia water. Because zinc fertilizer carries an acidic ion, and acidic ions and alkaline ions will react with each other, thereby reducing the fertilizer effect. And also note that it must not be applied together with pesticides, because most pesticides are alkaline, and whether it is zinc fertilizer or pesticide, their effects will be greatly reduced.
5. Avoid applying year after year
The time for zinc fertilizer to take effect after application is relatively long, and generally there will not be much effect in the year of application. Only by the second year can its fertilizer effect gradually be fully exerted. Therefore, when applying zinc fertilizer, we should note that it must not be applied year after year, and we should understand the time for zinc fertilizer to take effect. Generally, it should be applied every other year to ensure the full use of zinc fertilizer and improve the conversion rate of zinc fertilizer.
The above is a brief introduction to the five major taboos to note when applying zinc fertilizer. That is all for today's introduction. This article is for reference only, and I hope it can help everyone!