Pay attention to heat preservation, if necessary, use some heating facilities for warming light(black plastic nursery pots). Leafy vegetables are fast-growing vegetables that residents in southern China like very much. They have the characteristics of fast growth, short cycle and convenient management of fertilizer and water. When planting seedlings and leafy trays, it can be directly sown and cultivated. After emergence, attention should be paid to the prevention and control of pests and diseases(4.5inch square nursery pots). Pay attention to the opening of the vents and doors and windows.
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(cheap plastic cell flats wholesale suppliers usa)The roots of leafy vegetables are shallow and water-loving, so they must meet their water requirements in each growth period(plug trays wholesale). First, after transplanting, it should be watered and poured in time to ensure that the seedlings can survive. When the temperature is high, the water temperature and soil moisture condition are poured once in the morning, which can meet the water demand of leafy vegetables, reduce the temperature of the shed and adjust the microclimate environment in the facility(3.5inch square nursery pots); reduce the watering or watering in rainy days.
The watering must be poured. When the temperature is low(plastic nursery pots), the force should not be too large to avoid splashing the substrate on the leaves and affect the normal growth of the leafy vegetables. Under normal circumstances, after the planting is alive(2.5inch square nursery pots), the quick-acting fertilization is applied once a week (N:P:K ratio) For 20:10:20, the EC of the water and fertilizer solution is 1.5~2mS/cm), and the fertilization is stopped 7 days before harvesting.
(cheap plastic cell flats wholesale suppliers usa)Temperature and humidity Generally, the temperature is kept at 20~25°C during the daytime(plastic nursery pots manufacturers), 12~15°C at night, and the moisture of the substrate is kept at about 60%. When the temperature is high, it is necessary to ventilate and open the sunshade net in time, and use the insect net to avoid insects entering the inside of the facility during ventilation(9.06inch plastic plant pots); in addition, it can also be cooled by water spray, but the water spray should be appropriate to avoid excessive humidity in the facility. Cause disease.
If the substrate is short of water, it must be hydrated in time(nursery supplies pots). Under the condition of plant nutrient substrate cultivation, because the substrate itself has certain nutrients, and the leaf growth period is short, the nutrient demand is relatively small. Due to the rapid growth rate of leafy substrate cultivation, the occurrence of pests and diseases is relatively small(nursery tray manufacturers). The common diseases are mainly fungi. Avoid direct sunlight for 2-3 days after planting, and improve the survival rate of transplanting.
When watering, leafy vegetables are more like cold(plastic nursery pots wholesale), so when the sun is strong at noon in summer and autumn, you can open the shade net to shade and cool down; in continuous rainy days, you can fill light with fill light to promote growth. In the actual production, management must adhere to the principle of “prevention first, comprehensive prevention” to achieve the goal of producing safe(7.88inch plastic plant pots), high-quality green leafy vegetables. The number of times to avoid excessive humidity in the facility.
(cheap plastic cell flats wholesale suppliers usa)The use of physical means such as insecticidal lamps for prevention and control(wholesale nursery pots), combined with spraying chemicals and the use of chemical agents such as fumigants to strengthen prevention and control. It should be based on prevention, control the humidity in the facility, avoid excessive humidity, and use high-efficiency, low-toxic, low-residue pesticides in chemical control, such as soft rot with agricultural streptomycin(7.48inch plastic plant pots). Downy mildew can be sprayed with 75% chlorothalonil WP 500 times.