In recent times, heavy rains and disasters have occurred everywhere. Natural disasters and man-made disasters are inevitable. Let's talk about riots under the rainstorm or the agricultural disasters under the hail!
I have read a lot of information, all of them are talking about, no matter what crop, if there is still a need for remediation, phosphorus and potassium must be supplemented, brassinolide to regulate plant growth, that is, potassium dihydrogen phosphate and brassin after the rain The main push of the product.
grape
1, cleaning the blade
If you have too much rain, it will drown a part of the grape leaves, and then leave sludge or other things on the leaves, which will affect the photosynthesis of the leaves. Therefore, use the sprayer to rinse the contaminated leaves with water.
2, timely loose soil
If you are flooded with water, it will easily cause silt deposition in the garden and affect the oxygen content in the soil. Therefore, when you can go to the ground, you should clean the mud of the garden in time and loosen the soil properly.
3. Disinfection
After the heavy rain and strong winds, it is easy to cause the grape branches and leaves to be injured, and the high temperature and high humidity environment is easy to breed bacterial viruses. Therefore, to carry out comprehensive disinfection, disinfectant drugs can choose dimethalin, 75% chlorothalonil, methyl thiophanate.
4, timely recovery of the tree, supplement nutrition
After the disaster, the tree will be damaged. At this time, the timely addition of phosphorus and potassium can speed up the recovery of the tree. 400 times potassium dihydrogen phosphate plus brassinoside spray can improve the disease resistance of the tree.
Vegetable plant protection technology
1. Clean up the ravines and eliminate stagnant water; analyze the disaster situation and classify the guidance
After the flood has retreated, it is necessary to quickly open the ditch to remove stagnant water and promote root growth. And timely loosen the dough to promote the growth of vegetables. For the vegetable fields where the roots have died, it is necessary to clean up the fields in time, and apply 25 to 30 kilograms of lime for disinfection and fine soil preparation, re-sow vegetables or replant other economic crops. For vegetables that are more heavily inundated but still have the ability to absorb roots (eggplant, pepper, melon, etc.), it is necessary to prevent exposure to sun exposure, reduce transpiration, and prevent physiological water loss from causing wilting. Branches or shades can be shaded for a short period of time; for other melons, some yellow leaves, rotten leaves, and old leaves can be cut off, moderate tillage, soil cultivation, and vine cultivation are promoted to promote root development and restore plant growth; for beans and leafy vegetables The water can be washed with water jets and the sludge attached to the blades can be rinsed clean.
2. Strengthen fertilizer and water management and restore vegetable seedling growth
After the flooded vegetable field is flooded, the nutrients are easily lost. It should be combined with cultivating and timely application of nitrogen, phosphorus, potassium fertilizer and other compound micro-fertilizers. Fertilization should be appropriate, and should not be overweight, otherwise it will cause fat damage. While fertilizing the soil, it can be used for top dressing.
3, after the arrangement, grab the time to plant
Hello, for the fields that have been flooded for too long and the vegetable seedlings have died, it is necessary to disinfect the soil in time, grab the land and arrange the planting. Priority should be given to arranging varieties with short planting growth period, fast growth and high yield, and encouraging qualified vegetable farmers to use facilities for rapid seedling cultivation and cultivation to ensure timely market listing of vegetables.
4, grab the clear medicine, comprehensive prevention and control of pests and diseases
After the flood, you can easily cause soft rot, downy mildew, anthracnose, epidemic diseases and various physiological diseases. Therefore, after the water is recirculated, it is necessary to spray safe, counter-sterilized and insecticides for different varieties and degrees of damage. During frequent rains, it is necessary to rush to clear the medication and pay attention to the rotation and reasonable matching of pesticides. Generally, 25% pyraclostrobin EC2000 times solution and 5% sputum bacteria can be used. Tebuconazole WDG4500 times solution, 25% azoxystrobin SC 1500 times solution for controlling downy mildew, powdery mildew, anthracnose, etc., 20% thiazolone DF500 times solution, 46.1% copper hydroxide WP1000 times solution, etc. . Temperature and water management should be strengthened, ventilation should be ventilated in time, nutrient supply should be less nitrogen fertilizer, fertilizers such as potassium fertilizer, biological fertilizer and humic acid should be added, and some foliar fertilizers can be sprayed appropriately to supplement various nutrients to prevent physiological diseases. To ensure the normal growth of vegetables; control of Spodoptera litura, beet armyworm, cabbage caterpillar, diamondback moth and other insect pests can choose 15% indoxacarb SC3000 times solution, 10% insecticidal nitric acid SC 1000 times solution, 20% flubendiamide WDG 2500 times liquid, 1 billion PIB/ml silver worm, nuclear polyhedrosis virus SC800 times solution, 5% chlorantraniliprole SC1500 times liquid, etc., can control 20% acetamiprid SP5000 times solution , 10% imidacloprid WP2000 times liquid and the like.
Hello, combined with the prevention and control of pests and diseases, fertilization outside the roots, to promote crop recovery, such as spraying 0.2 ~ 0.3% potassium dihydrogen phosphate solution, 1.8% sodium nitrophenolate water. A safe interval for strict application of pesticides to vegetables.
Fruit tree
1, timely drainage
You must clear the channels in time, discharge the water in the orchard, and dig the drainage ditch between the fruit trees to reduce the groundwater level and enhance the air permeability of the soil to maintain the normal respiratory metabolism of the tree.
2, soil management
1) After cultivating the soil, when the soil is dry, it should be tempered in time. When cultivating, it is necessary to increase the depth appropriately, mix the soil and chop the clods. According to the specific conditions of soil and fruit tree growth, it can be cultivated 1 or 2 times, and the soil is ploughed after the surface soil is dry. The depth of cultivating is 25-30 cm.
2) Dry the roots and open the soil around the tree tray to dry the roots, so that the water can evaporate as soon as possible, and then cover the soil after 3 sunny weather.
3) Supplement the nutrient orchard to properly apply fertilizer after cultivating the loose soil, add nutrients to the tree, and restore the tree as soon as possible. The fertilizer should be mainly nitrogen and phosphate fertilizer. It can spray 0.3%~0.5% urea plus 0.2%~0.3% potassium dihydrogen phosphate 2~3 times to make the fruit tree recover as soon as possible.
3, tree management
1) After the rain or the tilted fruit trees are rained, the fruit trees should be righted, fallen, and tilted as soon as possible, and fixed. Otherwise, after the soil is dry, the roots are fixed and difficult to correct, which is easy to damage the roots.
2) After the foliage is topdressed, the fruit orchard should be sprayed with 0.2% to 0.4% potassium dihydrogen phosphate to protect the fruit; 0.5% of the urea solution should be sprayed on the unsuccessful orchard to enhance photosynthesis and increase The nutrient accumulation of the tree.
4. Pest management
After the storm, the humidity of the orchard increases, which is beneficial to the spread of germs, and the tree wounds are easily invaded by germs. Tianqing should immediately spray a broad-spectrum high-efficiency fungicide, or add fungicides during foliar application to control the growth of various bacteria. 25% pyraclostrobin emulsion EC 2000 times, 75%è‚Ÿbacteria? Tebuconazole water-dispersible granules 4500 times solution, 70% methyl thiophanate 800 times solution, 80% mancozeb WP 800 times solution and 300 times liquid potassium dihydrogen phosphate and 200 times liquid urea solution, To control the breeding of various types of bacteria.
cotton
1. Quickly clear the ditch. It is equipped with four ditch and deep trenches to ensure that the clear water in the field is quickly drained, the groundwater level is lowered, and the damage of cotton roots by waterlogging is reduced.
2. Quickly support the seedlings. Timely support the cotton seedlings, cultivate the roots, clean the leaves, and cut the knots.
3, quickly regain the flower bell fertilizer. The flowering and boll period is the period when cotton needs most fertilizer, while the heavy rain causes the cotton water and fertilizer to be seriously lost. Therefore, it is necessary to quickly regain the flower and bell fertilizer. After the cotton resumes normal growth, 10 to 25 kg of urea and 7 to 10 kg of potassium fertilizer are applied per mu. After the topping, 10 kg of urea is applied per mu to make peach fertilizer. At the same time, combined with anti-insect and disease treatment, spraying potassium dihydrogen phosphate, urea and boron fertilizer and brassinolide.
4. Quickly improve chemical regulation. After the cotton plant resumes normal growth, it is sprayed with 2 to 3 grams of ketamine with 35 kilograms of water per acre. After 5 to 7 days of topping, it is sprayed with 4 to 5 grams of ketamine and 50 kilograms of water. Rationalized control can coordinate the growth of the aerial part and the underground part, adjust the internode and plant height of cotton, shape the ideal plant type and group structure, reduce the shading and shedding of the field, increase the bud formation, control the effective flower buds, and inhibit the growth of axillary buds.
5. Strengthen pest and disease prevention and control. Focus on cotton blight, bell disease, Fuxi, red spider, blind mites, cotton bollworm and so on.
6. For the cotton fields with serious damage, replant the corn, sesame, soybean, mung bean and other crops in time before July 25.
Soy
1. Drainage and drainage in time. Soybean is a medium-crop crop. On the one hand, weeding can be used, and on the other hand, it is loose soil, which creates a suitable soil environment for the growth of rhizobia. Combine the ploughing drainage to cultivate the soil and prevent lodging. At the same time, chemical weeding should be carried out in time.
2. Timely topdressing. Each acre is applied for 12-15 kg of ternary compound fertilizer, which can be combined with cultivating by means of ditch application. In the soybeans affected by flowering, the potassium dihydrogen phosphate can be sprayed outside, and 100 g of potassium dihydrogen phosphate per 50 ml of water is used. It can also be combined with anti-mites.
Rice
1. Support the bundle and clean the stained leaves. In time to correct the lodging of early rice during the filling period, for the lodging is serious, it is necessary to tie the straw to each other and slowly resume growth. It is necessary to wash off the sludge deposited on the rice leaves, remove the rotten leaves and accumulated dirt, and restore the photosynthesis of the leaves.
2, clear ditch drainage, thin water seedlings. For flooded single-season late rice fields, it is necessary to clean up the ditches in time and drain them early. For different types of fields, targeted measures should be taken depending on the specific situation. For the field where the rice plant is submerged less than half, the rice growth is basically normal. The exposed field should be quickly drained, the roots should be ventilated, and the root absorption capacity should be enhanced. More than half of the rice seedlings were flooded, and even the tops were flooded for 3 to 6 days. At the same time, it is necessary to keep a thin water layer of about 3cm in the field. After the rice plants are slightly restored, the rice fields are drained and the fertilizer is applied to prevent the high-intensity leaf surface evaporation caused by high temperature and hot weather, causing the plants to lose water and die. If the rice seedlings are exposed to water in the hot weather, they should be replaced by Tianshui, and they should be irrigated at night to avoid the water temperature being too high and the rice seedlings will rot and rot. Areas where seawater intrusion occurs should be drained first, then rinse with water.
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