Strawberry
The temperature dropped obviously. The temperature in the strawberry greenhouse must be kept above 5°C to ensure that the strawberry flowers and young fruits are not affected by freezing. First, the inner membrane of the greenhouse is stamped and the skirts of the greenhouse are formed to form the inner and outer greenhouses. The outer skirts of the second greenhouse are covered with grass. Curtains or covered with straw; clear drainage around the shed, to avoid the snow melted snow into the berry field, so as to avoid unnecessary losses. If flowers and young fruits are damaged by freezing, the frozen flowers and fruits should be removed in time, and the entire inflorescence frozen should be removed to reduce the nutrient loss of plants and promote the recovery of growth and flowering of the lower inflorescence.
vegetables
Sheds encountered snowfall, covered the cover, and immediately cleared the snow after snow stopped to prevent melting of the snow and ensure that the cover was dry to facilitate insulation. When the weather begins to turn fine, slowly remove the cover to facilitate penetration into the sun, but do not suddenly remove the cover to prevent "flashing seedlings." After the exposing, we should pay attention to observe crop changes. When wilting occurs, we must immediately cover the grass weeds. After the recovery of the seedlings, remove the grass weeds. This repeated two or three days, and then transferred to normal management.
Citrus
1. Shake the snow: Ask the orange farmer to shake the snow on the orange tree in time before the snow is frozen (frozen). When the snow shakes, hold the tree skills, gently shake and gradually increase the snow on the leaves. Shake it. Special attention should be paid not to beat wood sticks and to avoid damaging the foliage. 2. Qinggou Drainage: Clear drainage of the gully around the orchard to avoid snow accumulation in the garden, so as to avoid frost damage of the orange roots, resulting in deciduous orange trees and affecting the annual output. 3, after the snow should be timely fertilization, restore tree vigor, and pay attention to the prevention and treatment of resin diseases, such as pests and diseases.
Livestock and poultry
Frozen weather causes freezing of livestock and poultry. The blizzard cold wave attack triggered or induced intestinal fistulas, bronchitis, pneumonia, nephritis, and horse myoglobinuria. Under the premise of not affecting the husbandry management and the health condition in the house, appropriately increase the density of the livestock in the house, make rational use of the bedding, take care to prevent dampness in the house and control the airflow, adjust the formula of the diet, and increase the energy concentration in the diet. And drinking water temperature. In addition, it is also possible to use glass or transparent plastic to block the infrared radiation of the "greenhouse effect" lighting insulation.
rape
When the temperature drops to 0°C, the rape will cause slight frost damage. It can be used to spread ash or husks, or covered with straw and grass. It can increase the ground temperature by 2-4°C, thus reducing the freezing injury. After freezing and chilling injury, a low concentration of human fecal fertilizer or urea solution is poured to increase the concentration of soil solution and reduce frost damage, and at the same time, the frozen seedlings can quickly recover and grow.
bamboo
The rain and snow in the mountains may cause the bamboos to fall flat or break, and the unhooped bamboos must be hooked before the heavy snowfall to reduce the occurrence of lodging and breaking.
Anthocyanidins is a kind of water-soluble natural pigments widely existing in plants in nature. They are colored aglycone obtained from the hydrolysis of anthocyanins. Most of the main colorants in fruits, vegetables and flowers are related to them. Under the condition of different PH value of plant cell vacuoles, anthocyanidins make the petals colorful. The main functions about anthocyanidins are antioxidant and free radical scavenging function, nutritional fortifier in food and natural pigment.
Anthocyanidins
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