The supply of plant fertilizer through the roots is the main way of fertilization. In addition, there are also methods of using foliar spray liquid fertilizer to directly promote the growth of rose flowers, especially when the soil conditions are not conducive to the growth of rose flowers. This method can achieve significant results.
After foliar fertilizer, plant branches increased volume increase, robust, disease resistance to strengthen and increase the number of flowering 20% to 30% plus more beautiful colors: early spring, especially in low temperatures, the plants have not yet learned enough from the soil When using nitrogen fertilizer, the effect of using foliar fertilization is more significant. However, it should be noted that this method can only play a supporting role and cannot replace conventional soil fertilization.
Foliar fertilization is a method in which fertilizer dissolved in water passes through the pores on the leaves or the stratum corneum on the leaves, and gradually penetrates into the leaves to act on the plants . Therefore, ensuring the smooth entry of fertilizer into the leaves is the key to foliar fertilization. Pay attention to the following points when applying:
â‘ not any fertilizers can be used as foliar fertilizer, can with a good solubility of inorganic fertilizers, such as the commonly used urea, ammonium sulphate, ammonium nitrate, potassium chloride, calcium phosphate and the like.
â‘¡ should be in low temperatures, high humidity, no wind early evening was made to fully penetrate the fertilizer liquid retention time of about 1 to quit foliage fertilizer to fully penetrate the interior of the blade.
3 The young leaves absorb faster than the old leaves, and the leaf back absorbs faster than the leaf surface. When fertilizing, pay attention to the canopy and leaf back of the plant.
4 can be sprayed together with insecticides and fungicides to achieve the dual effects of supplying nutrients and controlling pests and diseases.
5 The fertilizer used should be pre-soaked before spraying to make it fully soluble. It is necessary to filter out impurities and sediments. The speed of fertilizer entering the blade is related to the concentration of fertilizer and water . The lighter and easier it is, the lower the fertilizer efficiency will be. It should be diluted by 100 times or more by weight .
6 In order to make the fertilizer liquid adhere to the leaf surface ( especially the leaf back ) , it is better to spray it with a fine-poor watering can with a good atomization degree.
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