Five Attentions to Spring Sweet Potatoes

1. Grasp the temperature

Sweet potatoes like light, sufficient light is conducive to photosynthesis, and the yield of root tubers will be high. The temperature is 22 degrees Celsius to 23 degrees Celsius is the most suitable for the expansio

Pear tree to be updated and trimmed during aging

Question: Some pear farmers said that the pear trees there have been fruitful for many years. The trees are old, the trees are weak, and the guilt is bare. Only in the peripheral results, the output is sharply reduced and the quality is declining. What should I do?

Expert Chen Yunqi answer