Since the beginning of winter, the science and technology commissioner of the old urban and rural areas of Yuanmou County has ushered in the rain and cooling weather this winter, and the cooling and frost in the mid-mountainous areas and mountainous areas have also been launched simultaneously. In order to deal with the adverse effects of bad weather on the production of vegetables in the facility, the township science and technology commissioner issued countermeasures to guide the scientific management of poverty alleviation households and large planters.
Overhaul and reinforcement facilities.
Inspect, repair and reinforce the stability, roof, steel frame, cement column, film, etc. of the plastic greenhouse, and timely glue and repair the damaged shed film.
Prepare emergency cement pillars, including windy rainfall and cool weather to support the skeleton in time;When there is stagnant water and after the rain stops, it should be removed in time to avoid rain and frost depressurizing and collapsing the skeletonWhen the wind comes, use the laminating line to strengthen the shed film in time, and close the ventilation inlet and outletUse waste film to prevent moisture and ice from freezing the quilt or grass to prevent frost and rain from crushing the skeleton or reducing the thermal insulation performance.
Do a good job of cold protection and insulation.
The township science and technology commissioner suggested that the altitude of the village committees in the mid-mountainous and mountainous areas should be about 2,000 to 19,000, and the fruits and vegetables should be picked and marketed as soon as possible to reduce the burden on the plants and improve the ability to resist stress. Vegetables that have not entered the harvest period should be kept warm and insulated, and multi-layer coverage should be added to the facilityWhen the temperature is too low at night, clean energy heating facilities, electric heating fans, and heating fuel blocks can be used for emergency heating.
Under the conditions of low temperature and rainy weather, watering should be strictly controlled, and watering should be avoided as much as possible, such as when the plant has symptoms of water shortage, use drip irrigation or furrow irrigation under the film to water a small water. In addition, field farming operations such as pruning are reduced in rainy weather conditions to prevent wound infection with germs.
The light should be increased as much as possible, even after the cloudy day or the rain stops, and the crops should be uncovered as soon as possible on the premise of ensuring that the crops are not damaged by the cold. Conditional plastic greenhouse parks use plant growth lights to supplement light in time to prevent plants from growing and weakening.
Scientific prevention and control of pests and diseases.
Jiang Shaolong, a senior agronomist and science and technology commissioner in Laocheng Township, suggested that green standardized production technologies for vegetables such as medicine-saving, water-saving, and fertilizer-saving should be actively promoted to fundamentally reduce pesticide input.
In the fields with an altitude of about 1600 to 1100 meters above sea level, the open field uses aerosol agents to prevent and control diseases, and uses physical prevention and control technologies such as yellow plate trapping and biological control technologies such as the release of natural enemies and biological agents to control insect pests, and assists in the use of high-efficiency, low-toxicity and low-residue pesticides. It is necessary to strictly implement the pesticide safety interval to ensure the quality and safety of vegetables.
Do a good job in post-disaster management.
After the bad weather, the plastic greenhouses of the village committees in the mid-mountainous and mountainous areas should be ventilated in time to eliminate harmful gases in the sheds and reduce the humidity of the plastic greenhouses.
After continuous rainy days, it suddenly turns sunny, and pulls half-toma, flower toll, or repeatedly returns to toto, so as to avoid physiological wilting of the plant.
Timely topdressing or foliar fertilization to promote the recovery of crop growth.
Reasonably arrange the stubble, make full use of the facility space, increase the planting of fast-growing vegetables such as tomatoes, zucchini, and cabbage, fill the gap of vegetables, and increase planting benefits.
Jiang Shaolong, senior agronomist science and technology commissioner of Laocheng Township, said that in case of disastrous weather, the scientific and technological personnel of Laocheng and Rural Agricultural and Rural Service Center and the agricultural staff of 10 village committees will go deep into the field for guidance as soon as possible to help poverty alleviation households and large planters quickly resume production and ensure the market. Writer: Jiang Shaolong).