For example, grass weeds are mainly used, and high-efficiency "cover grass" and other herbicides are applied(square grow pots), and the correct application is carried out according to the instructions of the medicament. Let me introduce you to the following: adjust the environment, prevent gray mold. Since the suitable temperature for the onset of gray mold is 20 ° C ~ 25 ° C(128 cell propagation trays wholesale), the relative air humidity is more than 90%, so it is necessary to prevent and control gray mold by temperature and humidity.(4 gallon nursery plant pots wholesale online)
It is necessary to achieve the connection between the ditch and the ditch, and reduce the occurrence of gray mold by picking up the residual flower(black plastic nursery pots). After picking up the flower, use the watering can to prepare 50% of the seaweed 1000 times liquid, and then spray the flower in detail to avoid the hidden danger caused by the incomplete flower picking(24 cell propagation trays wholesale). Use sclerotia net smoked shed. Before closing the shed, use sclerotium net smoker to smoke. It can be an anniversary in the greenhouse.
Therefore, the first thing to pick up the flowers, even after the cloudy weather suddenly clear(wholesale nursery pots), can not completely uncover the grasshoppers, how to prevent the temperature of the shed vegetable gray mold? Second, the combination of picking flowers and pharmaceutical spray. In addition, it is also possible to reduce the humidity in the shed by pouring small water under the membrane, operating the mulch to cover the straw, and the like(162 cell propagation trays wholesale). The developmental suitable humidity is 75%-80%, which can occur in the greenhouse.
(4 gallon nursery plant pots wholesale online)In the period of high relative humidity in the shed, try to increase the temperature of the shed and avoid the onset temperature of gray mold(plastic nursery pots wholesale). The dosage and fumigation time are determined according to the crop. For example, tomato can use 250 grams per mu, smoke for 8 to 10 hours, beans and eggplant for 200 grams, and smoke for 6 to 8 hours. Practice has proved that this method can effectively kill the spores on the plants, soil and walls in the shed(20 cell propagation trays wholesale). First, reduce the spore residue of the bacteria and prevent the occurrence of diseases.
What disease is it? In addition, the edge does not rise, watering should be preheated in the shed, after the watering is completed(plastic nursery pots manufacturers), so the use of micro-irrigation has a positive effect on the balance and coordination of water, fertilizer, gas and heat required for vegetable growth. In particular, the use of micro-irrigation in the first half of the period is conducive to promoting root control, controlling air humidity in the shed, and reducing the occurrence of pests and diseases(200 cell propagation trays wholesale). Especially in the solar greenhouse, it has become a major pest of vegetables and melon crops.
The surface of the fruit is rough(plastic nursery pots), hard and stiff, and the damaged pods form round white depressions on the fruit surface, causing the pods to lose their commercial properties. In the damage of tomato young fruit, many white circles are formed on the fruit surface, and a small black spot in the middle is like ulcer disease (the small spot protruding from the lesion formed by ulcer disease, like a bird's eye). The insect is an incomplete metamorphosis, a small pest of the order Thysanoptera(288 cell propagation trays wholesale), which can occur for more than 10 generations a year.
(4 gallon nursery plant pots wholesale online)It has the following characteristics: spawning tends to be tender and prone to disasters(plug trays wholesale). Generally parthenogenetic. Each female can lay 30-100 eggs. The newly hatched nymphs feed on the tissues, and after 2 years of age, they are transferred to the surface of the plants for feeding. After 2-3 peelings, the leaves are curled, the soil is sewn, and the litter is deciduous. Complete a generation for about 10-30 days(112 cell propagation trays wholesale). Resistant to drought, avoid heavy rain and damp heat.