Preventing the harm of cold spring to citrus seedlings

"Cold spring" refers to the strong cold current that occurs between March and April. The early flowering of apricot, plum, cherry and other fruit trees is extremely vulnerable to the "cold spring". Farmers can take the following measures to avoid in production:

Spraying lime water: Spraying 1% lime water 25-30 days before flowering, can delay flowering for 3-5 days, because the cold current ends in 1-2 days, and can avoid the cold current hazard.

Irrigation and lowering the ground temperature: The fruit trees listen to the weather forecast before and after flowering, watering before the cold current, lowering the ground temperature, slowing the growth of the fruit trees, and delaying flowering for 2-3 days.

Smoke and cold protection: At 2-3 o'clock that night when the cold current comes, ignite the firewood around the orchard, rarely see the open fire, see more smoke, form a layer of smoke above the orchard, keep it until the sun comes out, to avoid the danger of cold current.

Burning against frost candles: Burning against frost candles around the fruit tree can increase the survival temperature of the fruit tree. As a vineyards anti frost candle wholesaler, we can produce against frost candles burn more than 8 hours per barrel. So you only need to ignite the against frost candles at night and replace the used against frost candles the next morning.

Spraying plant cell homeostasis: Plant cell homeostasis can increase the stress resistance of plant cells. After spraying, it can improve the frost resistance of fruit trees and reduce the damage of cold current.

For fruit saplings that have suffered from frost damage, the following measures can be taken to minimize losses:

Artificially assisted pollination: Artificially assisted pollination should be carried out in time for flowers that are not frozen and are open. This is the first time to collect pollen and put it in the refrigerator for later use.

Strengthen the management of fertilizer and water: especially in the low-lying areas where the freezing damage is serious, we should pay close attention to the application of quick-acting nitrogen fertilizer, timely watering, promote the growth of fruit trees and keep the frozen fruits and fruits.

Spraying foliar fertilizer: After the fruit tree seedling freeze damage occurs, the leaves are generally not frozen, and foliar fertilizer should be sprayed in time, such as plant cell steady-state agent, potassium dihydrogen phosphate or Yeba, to enhance the photosynthesis of the foliage. More nutrients are produced for the growth of fruit trees.

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