#三农高热选题创作营 #
Introduction: If you want to grow radish cabbage is not bitten by vegetable insects, old farmers have a magic recipe, do not use pesticides, but also environmental protection.
These days, the temperature is high, and the heat continues to be unabated, the weather is sweltering and difficult, it seems to have entered the three volt days of the year, it is really difficult to overwhelm, indeed the times have changed, the climate has also changed every year, the old agricultural season has not worked, such as the previous northern region into the small summer day, officially began to harvest wheat, and now has not yet reached the summer, most of the wheat in the farmhouse has been harvested and began to be milled.
Farmers often say "head fu radish, two volt vegetables", and this year the head of the turnip has not yet arrived, most farmers have begun to plant radish cabbage, and even some of the early planting of seedlings, that is, indeed radish cabbage is good, and the emergence of seedlings fast, if the soil moisture is good, three days can be unearthed buds, but the headache for farmers, planted radish cabbage seedlings less than seven days, will be affected by the bite of green vegetables, if the climate drought at night does not show the weather, do not prevent it, overnight will eat a Ding guang, I believe most vegetable farmers have experienced this situation.
It can be seen that in the field management of planting radish cabbage, timely and effective control of cabbage insects is particularly important, but what bothers farmers is that if pesticide spray control is used, vegetable insects are killed generation after generation, repeatedly, both labor-consuming, but also affect the environment, today, the old farmers have been planting radish white harvest field management for more than ten years, summarized the magic recipe for the prevention and control of vegetable insects - qiao sprinkling grass and wood ash and skillful spray vinegar prevention and control method to share with everyone, for reference,
(1) Sprinkling grass and wood ash prevention and control method
According to the experience of old farmers, the prevention and control of radish cabbage green insects should be sooner rather than later, to be about a week after the radish cabbage emerges, it is necessary to start dragging grass and wood ash prevention and control, if the heart leaf of the newly emerged seedling is eaten by insects, it will not be able to save, so there are insects and insects to be prevented in advance, this point must be remembered!
Specific methods
<h1 class = "pgc-h-arrow-right" > radish cabbage planting seedlings grow to a week or so, try to evenly drag the dew after dew in the afternoon to the morning dew is not dry, so that the foliar grass ash effective paste rate is high, the control effect is good, the green insects are generally hidden in the back of the leaves during the day and do not move, come out at night to bite the leaves, when eating the leaves of grass and wood ash, the grass ash powder will block the stomata of the insects and suffocate poisoning and fall off, if the prevention and control is timely, The efficiency can reach more than 95%, and the prevention and control is not repeated at all, if it rains, it should be dragged out again in time after the rain, and then the application of grass and wood ash and the effect of increasing potassium fertilizer, killing two birds with one stone, very affordable, worth recommending. </h1>
(2) Skillful spraying of edible vinegar prevention and control method
A, preparation concentration
After the radish cabbage emerges to grow to about a week, the seedling is 2-3 heart leaves when the spray control, just start spraying seedlings, the preparation concentration should be some, according to the ratio of 1:400, that is, 1 kg of vinegar plus 400 kg of water for uniform preparation of good vinegar, spraying, interval seven days spray twice is good. When the radish seedlings are white, about a week before the cabbage is wrapped, spray twice in a row for seven days, and the concentration of this preparation is slightly increased, and the specific spray is carried out according to the ratio of 1:250. If the spraying is timely and appropriate, there will basically be no repeated occurrence of the phenomenon of green insects biting in the future.
B. Spraying time
With vinegar spray radish cabbage to control vegetable insects, spraying time is very important, generally choose to spray evenly and accurately after 3 p.m. to the evening dew on a sunny day, be sure to avoid the noon high temperature period, in order to prevent vinegar from burning the leaf surface of radish cabbage seedlings, which is different from playing pesticides, remember!
Summary: There are many advantages of using this magic recipe to control vegetable green insects, neither use pesticides, green environmental protection, thorough prevention and control, no repetition, good effect, and both methods have the effect of fattening, grass and wood ash can supplement potassium fertilizer to plants, promote the growth of radish underground roots, vinegar contains lactic acid, amino acids, nucleotides, carbohydrates, etc., can promote the accumulation of crop nutrients, so it can accelerate the progress of Cabbage heart, improve varieties, improve the quality of Chinese cabbage products, etc., kill two birds with one stone, very affordable, worth recommending.
The above foolish views are purely personal first-line agricultural experience, for reference only, there are incorrect points, I hope to correct it, I hope that netizens will learn from each other online, exchange and share their own farming experience, and see you in the next issue # Jingqin Farmer Online Learning Festival #