Biological potassium fertilizer is a new type of biologically active fertilizer. The silicate fungicide in fertilizer can decompose the fixed phosphorus and potassium fertilizer by the soil, has the advantages of fertility and no pollution to the soil. However, the application of biological potassium fertilizer must pay attention to the key application techniques under certain environmental conditions.
In order to play a good production effect.
First, pay attention to soil conditions. The application of bio-potassium fertilizer on loamy soil rich in organic matter, alkaline nitrogen and available phosphorus is good. The soil that is too thin and the soil with poor water retention and fertility is not suitable for application. It is applied in the soil of potassium deficiency with soil available potassium content less than 100 ppm. The best effect is on increasing production.
Second, pay attention to water conservancy conditions. In irrigated land with irrigation conditions, the application of biological potassium fertilizer has obvious effect on increasing yield. In dry land without irrigation conditions, the living organisms in biological potassium fertilizer can not grow and reproduce normally. The effect of transforming and decomposing potassium and phosphorus in soil is not normal, and the effect is not obvious.
Third, it should be applied preferentially to the upper and lower sorghum, and to the potassium crop.
Fourth, when storing and using biological potassium fertilizer, it should not be exposed to sunlight. Seed dressing should be carried out indoors or in a shed. The seeds of the fungicide should be dried in a cool place, but not dried. When applying, it should be broadcasted on the same day of seed dressing.
Fifth, the use of biological potassium fertilizer for topdressing can be mixed with urea, nitric acid, ammonium sulfate, potassium sulfate, potassium chloride and other chemical fertilizers. However, it should be mixed and used, should not be stored, must not be mixed with alkaline substances such as grass ash, so as not to kill the cells, affecting fertilizer efficiency.
Sixth, pay attention to early application. Because the application of biological potassium fertilizer to the soil, bacteria from the settlement, reproduction to the decomposition of soil minerals to release potassium, phosphorus, requires a process. In order to ensure sufficient time to complete the process, and to provide potassium and phosphorus nutrients from the crop seedling period, it is necessary to pay attention to early application. According to the test, the application effect is better when the foundation is applied, seed dressing, rooting and transplanting. If it is top dressing, it should be chased early in the seedling stage.
Conversely, the later the application, the worse the effect.
Seventh, to apply near, that is, to apply the biological potassium fertilizer around the roots, the closer the better, the effect of crop transplanting and rooting is obvious.
Eighth, it is necessary to pay attention to the application of uniformity, so as to facilitate the full play of the microbial crops.
Huaxian Agricultural Technology Promotion Center Lu Shuguang
In order to play a good production effect.
First, pay attention to soil conditions. The application of bio-potassium fertilizer on loamy soil rich in organic matter, alkaline nitrogen and available phosphorus is good. The soil that is too thin and the soil with poor water retention and fertility is not suitable for application. It is applied in the soil of potassium deficiency with soil available potassium content less than 100 ppm. The best effect is on increasing production.
Second, pay attention to water conservancy conditions. In irrigated land with irrigation conditions, the application of biological potassium fertilizer has obvious effect on increasing yield. In dry land without irrigation conditions, the living organisms in biological potassium fertilizer can not grow and reproduce normally. The effect of transforming and decomposing potassium and phosphorus in soil is not normal, and the effect is not obvious.
Third, it should be applied preferentially to the upper and lower sorghum, and to the potassium crop.
Fourth, when storing and using biological potassium fertilizer, it should not be exposed to sunlight. Seed dressing should be carried out indoors or in a shed. The seeds of the fungicide should be dried in a cool place, but not dried. When applying, it should be broadcasted on the same day of seed dressing.
Fifth, the use of biological potassium fertilizer for topdressing can be mixed with urea, nitric acid, ammonium sulfate, potassium sulfate, potassium chloride and other chemical fertilizers. However, it should be mixed and used, should not be stored, must not be mixed with alkaline substances such as grass ash, so as not to kill the cells, affecting fertilizer efficiency.
Sixth, pay attention to early application. Because the application of biological potassium fertilizer to the soil, bacteria from the settlement, reproduction to the decomposition of soil minerals to release potassium, phosphorus, requires a process. In order to ensure sufficient time to complete the process, and to provide potassium and phosphorus nutrients from the crop seedling period, it is necessary to pay attention to early application. According to the test, the application effect is better when the foundation is applied, seed dressing, rooting and transplanting. If it is top dressing, it should be chased early in the seedling stage.
Conversely, the later the application, the worse the effect.
Seventh, to apply near, that is, to apply the biological potassium fertilizer around the roots, the closer the better, the effect of crop transplanting and rooting is obvious.
Eighth, it is necessary to pay attention to the application of uniformity, so as to facilitate the full play of the microbial crops.
Huaxian Agricultural Technology Promotion Center Lu Shuguang
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