According to the growth situation, I wish to determine. In general, the results of plant growth in the early stage are relatively strong, easy to grow long, should use less nutrients to promote stem and leaf growth, you can choose Jiamei brain white gold, gold spots and so on. As a result, the growth potential of plants at the beginning of the period began to weaken. The nutrients that promote the growth of stems and leaves should be used to promote the preservation of leaves. Jiameijin, urea and sugar leaves can be used. Timely application of calcium fertilizer The growth of tomato fruit requires more calcium. When the soil is insufficient for calcium, the fruit is prone to umbilical rot and cracked fruit. Therefore, in the fruiting period of the two red persimmons, Jiamei brain white gold should be sprayed 2 to 3 times to meet the needs of tomatoes for calcium. Scientific spraying of foliar fertilizer The appropriate interval for the time to be suitable for tomato leaf fertilization is 5 to 7 days. Spraying inorganic fertilizer on the foliage is easy to produce fertilizer, so the interval should be longer, generally not shorter than 7 days. Combining with disease prevention In the winter and spring seasons, foliar fertilization tends to cause a significant increase in the humidity of the air inside the protected area, which is easy to cause tomato diseases. Therefore, the number of times of spraying fertilizer on the leaves of the cloudy sky is less. When applying fertilizer, it is necessary to add protective fungicides such as Antaisheng and DuPont Yibao, and to ventilate for a short time after fertilization to reduce the incidence. When the dosage is appropriate, the excess fertilizer should be washed away with water and the water content of the leaves should be increased to alleviate the damage degree of the leaves. When the soil water content is insufficient, watering is needed to increase the water content in the plant and reduce the concentration of fertilizer in the stems and leaves. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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Determined according to weather conditions. In the rainy day, the lack of light in the greenhouse and the poor photosynthesis make the supply of sugar in the two red persimmons insufficient. At this time, the effect of spraying sugar on the leaves is better.
Tomato fertilization pays more attention
Determination of nutrients