Pay attention to the application of biological potassium fertilizer
Bio-potassium fertilizer is a new type of stimulation agent, namely silicate fungicide. The production practice in some areas over the past few years has shown that the application of biological potassium fertilizer must pay attention to the key application techniques under certain environmental conditions, in order to exert a good yield increase 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, and the application is increased in the soil of potassium-deficient soil with soil available potassium content less than 100ppm. best effect.
Second, pay attention to water conservancy conditions. In irrigated land with irrigation conditions, the application of biological potassium fertilizer increased the yield significantly.
Third, it should be applied preferentially to the upper and lower sorghum, and to the potassium crop.
Fourth, when storing and using biological potash, it should not be exposed to sunlight. Seed dressing should be carried out indoors or in a shed.
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, it should not be stored, and should not be mixed with alkaline substances such as grass ash.
Sixth, 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; on the contrary, 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.
Eighth, it is necessary to pay attention to the application of uniformity, so as to facilitate the full play of the microbial crops.
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