Summer tea leaves, how to fertilize

In summer, the temperature is high and the drought often occurs. The roots of the tea tree are limited by the water conditions, the absorption capacity is weak, and the root fertilization effect is poor. If foliar spray fertilizer is used during the growth of summer tea, it can not only increase the yield of tea, but also enhance the tenderness of the new shoots, which is conducive to the improvement of the quality of summer tea. The test proved that the tea leaf surface spray fertilizer can increase the yield of tea by about 10%.

The specific method is: using 0.5-1% of urea, 1% of ammonium sulfate, 1-2% of superphosphate, and 0.5-1% of potassium sulfate. The application time is strong with new shoots, and the cloudy days of 1 bud 1-2 leaves are unfolding, evening or morning. Use 5-100 kg of fertilizer solution per acre and spray once every 3-6 days. At the time of spraying, the front and back sides should be sprayed at the same time, especially the back of the leaf must be sprayed. During the spraying process, avoid high temperature exposure, cause water evaporation and change the fertilizer concentration, and also prevent the fertilizer from being washed in rainy days. At the same time as foliar spray fertilizer, it is still necessary to strengthen the root dressing of tea trees to achieve mutual promotion.

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