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A friend who has grown large cabbage knows how good it is, how productive it is and how impatient it is to store it, which is not remediated at all, but is controlled by long-term water fertilizer. These problems are often encountered with cabbage, which is so small that it is empty and has so little weight in it; with yellow and rotting leaves in the outer layer; with loose and loose hearts, and with a few days in the back of the house; and with mixed cabbage, with small, small and large。
Most people think that bad varieties, bad weather, many pests and diseases, and in fact 90 per cent of the problems are caused by watering, timing and misuse. The growth cycle of cabbage is marked by a phased pattern in which the absorptive capacity and growth needs vary from one stage to another. The seeding season will take root, the lichen season will keep the leaves steady, the ball season will swell, the water will be fertilized in three stages and will eventually reduce production。
The three-part water fertilizer management technology that is unique to cabbage today, which is based on earth-blank rhetoric, has no skills and does not exaggerate, is a common practice in open gardening, home gardens, and daejeon. In strict compliance with this approach, large cabbage balls are grown in full and compact layers, with almost no emptiness, no bad gangs, sweet tastes, long transport and winter storage, and freshmen easily grow high-yield, high-quality cabbage。
I. Shrimp period (out-to-street): control of thin water fattening and breeding of seedlings
The sprout period refers to the growing period of seeds up to six to eight real leaves, the initial contours phase and the most vulnerable stage of the whole growing season. The core focus of conservation at this stage is not on procrastination, but on rooting, seedlings, protruding and rooting. Many of the first-time offenders suffer from the fear that the cabbage will grow slow and that the water will be so fat that the root of the cabbage will become shallow, thin and high-footed that it will be easy to fall back, bad gangs and unenthusiasts。
It's the water
The root roots of the sapling season are shallow and largely concentrated on the surface of the soil, fearing both dry roasting and the accumulation of water roots. Water must be watered in accordance with the core principles of indigence and dampness and must never be flooded。
Before and after seedlings are planted, the soil is maintained in a micro-humid state, which ensures that the seeds break smoothly and that the soil sheet is not sprung. When seedlings are produced, no daily water is required to observe the surface of the soil, the surface is white and the 2-3 cm layer is dried up, and a small water is required once more。
In the event of continuous high temperatures and rapid evaporation of water, water can be poured once in three to five days; in the event of a continuous storm, drainage must be done in a timely manner and water must never be accumulated in the fields or on the surface. The one-to-two days of sapling can lead to sudden fallout and rotting seedlings, which are also the main causes of large sprouts of cabbage after rain。
Vegetables that have been planted must be watered with the root water on the same day, helping to bind the roots to the soil and fast and slow seedlings. Controlling water immediately after a slow seedling has ended, properly drying the seedlings, allowing the root of the cabbage system to take its own root downwards and deep roots, and significantly increasing the resilience to drought, flooding and disease in the later stages。
The persistence of soil drying and damp throughout the seeding period, with frequent dry and wet alternations, can lead to a disorder in the growth of seedlings, poor resistance to disease in later leaves and a high risk of yellow leaf decay。
What's the point of fertilizer
Cultivation is the lowest of the three stages and is extremely sensitive to the concentration of fertilizers, which are characterized by strong fat, biofertilizers and single nitrogen weight. Fertilizers are not used properly, yellow leaves are burned light, and the whole strain dies。
There are enough floors and there is little need for extra fatting during the nursery season. Underweight, ill-growing seedlings, yellow-leaved patches, just thin seedlings. Preferably decomposed, thin organic water, or low concentrations of high nitrogen water soluble, with direct urea and complex dry fertilizers prohibited。
A scalding field is grown on a scale, with a 1000 kg of decomposed water per acre and 5 kg of urea used in small quantities and with a mild and fertilizing capacity to raise the seed without burning the roots. The small family home is grown in small quantities, which is not deliberately heavy, and the fat water is diluted by more than 10 times the water, slowly watering down the roots and not splashing on the leaves。
Many people sow urea, which appears to be fast-growing, green leaves, all of which are fissure, with thin blades that are multi-organised and weak, rotting at the end of the day, decomposed at the end of the rain, and inhibited by the growth of the roots, leaving behind the pits of the latter and the gang。
Frequent problems with seeding
1. Saplings are weak, high-footed: immediate cessation of water fertilization, proper management of water seedlings, increased ventilation, inhibition of part of the earth's madness and promotion of root system development。
The leaves are yellow and stagnating: small quantities of thin and fat water are replenished, while the soil is ventilated, so as to solve the problems of slabing and inhaling。
3. Rotation and blackening of roots after rain: timely drainage of the pine soil, suspension of fat pursuit, slight dispersion of a layer of dry soil soaks the disease。
The core logic of moisturism conservation: steady growth, with priority for long leaves. As long as the roots are deep-seated and the seedlings grow strong, the foundation for high productivity in the later stages will be laid。
Ii. Lotus term (street-to-seal): steady leaf length and water-crawling protection long
Lotus time is a transitional period for the growth of cabbage and a crucial period for its initiation. From 6 to 8 real leaves, until the field is planted and ready for the ball, it will be the lotus term. During this period, cabbage leaves and roots are growing rapidly, with a rapid increase in the number of leaves and continued expansion of the area of leaves, which is a critical period for the construction of high-yielding stands。
Many people grow cabbage with emptiness and small hearts, the root cause of which is bad management of the lotus. Either there is insufficient water fattening, leaves are not long enough, leaves are small in size and leaves are not co-operative enough to feed the ball in the later stages; or there is an excess of water, and the outer leaves are wildly long, with no nutrients, all of which are consumed in the growth of the leaves, and the latter are unable to contain them。
The core conservation focus of the lotus period is to supplement nutrients to promote long leaves and moderate control of water availability。
It's the water
The amount of water required for cabbage is significantly higher than during the seeding period, but it is still not available, and the principle of dry wetness is followed。
Regular water can be poured in the front period to ensure that the leaves grow rapidly and meet the nutritional growth needs of the plant. When cabbage is grown to more than 10 leafs and is about to be sealed, a 10--15-day water-crawl control must be carried out, which is the core key technology to prevent late hollowing and fragmentation。
The purpose of the seedlings is simple: to control the water in a moderate manner, to curb the uncontrolled growth of the outer leaves, to force the root of the cabbage system to continue to plaster and absorb deep soil nutrients, and to stop the growth of the plant and begin to accumulate nutrients and feed the subsequent ball。
The criteria for the determination of a moustache are intuitive: during the high-temperature period of the day, there is a slight atrophy of the leaves on the outer side of the cabbage, and it is the best moustache that can be restored in the evening and morning. If the leaves fail to recover, the drought will be excessive and the water will need to be filled in a timely manner; if the leaves remain high, they will fall short。
Water and fattening are strictly forbidden during periods of incubation, and immediately after the end of the incubation, the water is poured into the water and the subsequent ball-laying period grows。
Rainy weather must be able to absorb drains in a timely manner, with the planting of water in the field during the lichen season, causing a lack of oxygen, causing frosting, soft diseases and leading directly to the defoliation of the late gang。
What's the point of fertilizer
Lotus time is the stage where large cabbage needs to be fatter, and it is a key node in the pursuit of fat, commonly referred to as “failing a tree”. This stage of fertilization is supported by nitrogen fertilizer and potassium phosphate fertilizer, taking into account the growth of leaf blades and the robustness of the plant, and avoiding single nitrogen fertilizer leading to longer。
Standard fertilisation program in daejeon: 10-15 kg urea per acre, 15 kg potassium sulphate, or 20 kg composite fattening of potassium sulphate, balanced, prior to immersion. Fertilizers are washed with water or are buried in ditches, which are more effective and durable, and prevent the burning of leaves。
Household cultivation does not need to be scalded with precision, with a small increase in the size of the growing plant, a small increase in the size of the growing plant, and the avoidance of polarization. Remember not to use urea alone, pure nitrogen fattens the outer leaves to grow mad, thin, extremely resistant, loose and perishable。
In addition, the lichen period can be combined with a leaf fertilizer, the spraying of potassium dihydrophosphate thin solutions, increased foliage resilience and light co-operation efficiency, greening the foliage and reducing lateral yellow leaf problems。
The queen of the lotus seat, the sanctuary and the wrong zone
1. Large-scale water is not fertilized: the outer leaves are long, the internal nutrients are emptied, the late period is small and empty, and yields are significantly reduced。
Over-control of water, prolonged drought: stagnant foliage growth, weak plant growth, slow, small and low production of later ball。
3. Nitrogen-heavy potassium fat: long-planted, weak-drive, ill-resistant and highly susceptible to morbid and degenerative diseases。
Core logic of lotus conservation: long blades, robustness, nutrients. The leaves are in sufficient quantity and the plant is robust enough for the rest to be filled。
Iii. Falling season (heart to ripe harvest): big water fattening, hard-core air defence help
The end-of-life period is the final critical period for the production of large cabbage and the formation of quality, as well as the period of greatest demand and concentration of water fertilizer. All the nutrients in the cabbage are concentrated on the growth of the follicles, the formation of layers, and the management of water fertilizers at this stage directly determines whether the cabbage is empty, secure and durable。
Ninety per cent of cabbage problems are poorly managed during the end season. There is either a shortage of water and weight, and inadequate nutrients lead to false hearts; late periods of fattening are too early and foeball growth is stagnating; or water is so scarce that it breaks and rots。
Core conservation focus during the end of the ball period: high water high potassium, sustained fertilizer, stable humidity, expansion, tightness and disease prevention。
It's the water
The amount of water required for cabbage during the end of the ball reaches its overall long-term peak, and the soil must remain moist, dry and water-free and must never be subject to severe dry and wet fluctuations。
Under conventional weather, water is poured every five to seven days to keep the soil humid and to meet the fast-growing water demands of the pellet. Watering times are used to select mornings or evenings as far as possible, avoiding high noon temperatures and reducing root irritation。
It is prohibited to pour water in the wake of a prolonged drought, which results in a fast expansion of foliage, a failure to keep pace with the growth of outer foliage, a direct bursting of cabbage and a bursting of the platinum, which is not only dissimilar, but also susceptible to disease and disease decay and unable to store for sale。
At the same time, water cannot be accumulated for long periods, soil moisture is too high and the roots of the system are inhibited, leading to rotting roots, soft decomposition, widespread defoliation and foliage。
Focus: water must be completely stopped 10 days before the pick-up of cabbage. Water outages are aimed at reducing the water content of cabbage, making leafballs more compact and sweeter, reducing softness caused by excessive moisture and significantly improving storage and transport resistance. If water continues to be poured before the harvest, the cabbage is overrated, and the leaves, heart and heart of the family can be taken back for three to five days, and it can't be kept。
What's the point of fertilizer
Fertilisation in the ball season is completely different from the first two phases, with a reduction in nitrogen fertilizer, a focus on potassium fertilizer, and the supplementation of micronutrients. Too much nitrogen fattens only to keep the outer leaves growing and grab the foliage nutrients, resulting in a loose heart; potassium fattening is the hard core of the balloon, and calcium fattening is effective in preventing heart-burning and heart-broken problems。
Two key fatters for the end of the ball, the best and the best:
1. In the early years of the ball (weakly): once the seedlings have ended and water has been watered, the swelling of the ball is immediately pursued. 8-10 kg of urea and 15 kg of potassium sulphate per acre, quickly replenishing nutrients, and promoting fast-forming pellets。
2. Mid-term (quick expansion): at intervals of about 15 days, fattening is pursued again, 20 kg per acre of high potassium water soluble, and nutrients are supplied on a continuous basis, so that the layer of the flask layer is compact and full。
In addition to root fattening, two to three leaf-face fattenings must be made during a ball-break period, which is the key detail for preventing hollow, dry-burning, and bad gangs. Potassium phosphate + calcium leaf fattening is sprayed every seven days, and two to three times continuously. Complementing the potassium elements gives the follicles a harder weight, adding calcium to the cells, increasing the foliage resilience and addressing the problem of dry heart, hollow and rotten leaves from the root。
Many farmers use only roots and do not spray leaves, and even if the water is full, there will be sporadic hollows and dry larvae, caused by the lack of micronutrient supplements。
Full resolution of the hf problem at the end
1. Cabbage emptiness: the central cause is the lack of potassium during the end of the ball, the early fertilisation and decay of late periods, and the uneven dry and wetness. It can be avoided once and for all by the timely watering, the re-fertilization of potassium and a reasonable water stoppage before harvest。
2. Leaf defoliation: soil is wet, nitrogen is too fat and leaf is less resistant. Reductions in nitrogen fertilizer, increased phosphorus fattening, timely drainage and ventilation can be effectively eliminated。
3. Fragmentation: inadequate nutrient supply, poor seedlings and late water fertilization. Full stabilization of water fattening and a major expansion of the platinum can fill the cabbage。
Dry-cracked yellow leaves: calcium deficiency, high soil salinity. Regular application of calcium fertilizer to keep the soil wet and dry and easy to resolve。
Iv. Universal water fertilism throughout the year, avoiding the double of cabbage. Long
It is not the lack of technology that is used to reduce the annual production of cabbage, but the persistence of static fault zones, regardless of the stage of growth, that must be borne in mind:
1. Obsessed and fat: undefaded chicken dung, sheep dung and farm fat cannot be applied directly, burning a seed, breeding a ground pest, causing a rotten root disease, which must be fully decomposed and used。
2. Obsession of monofertilisation: urea only, non-phosphate potassium fertilizer and micronutrients, long-planted, extremely resistant, infirmity, poor heart and mouth。
3. Obsessed dryness and dampness: drought is so intense that water is not drained. It is the number one killer of cabbage, hollowness, and bad gangs that is most critical to maintaining soil stability and moisture throughout the process。
4. Fattening of nitrogen in the late stages: excessive nitrogen fattening in the condensation period, the mental length of the outer leaves, loss of internal nutrients, loose, light and impatient storage of the leaves。
5. Watering before harvest: 10 days before harvest, cabbage is too watery, highly perishable, and storage periods are significantly reduced。
V. Techniques for fine-tuning different planting grounds, applicable at the daejeon complex
1. Open field cultivation: emphasis is placed on drainage and flood control, timely and accurate pursuit of fattening, and large-scale cultivation strictly controls the rhythm of water fertilizers, consolidates the momentum and facilitates intensive harvesting。
Sub-hospital family cultivation: instead of precise re-fertilization, the principles of “shrimp seasons, lichen seats, and ball weight” can be followed。
3. Post-rainfall management: water drainage, pine gas at the first hour after rain, suspension of fatting, recovery of small amounts of redundancies and prevention of disease outbreaks until the soil is dry and wet。
Topical interaction
After looking at this complete three-part water fertilizer management technique, it is believed that everyone can avoid planting faulty areas and grow high-quality cabbage that is free and clean。
Do you grow cabbage in normal times, and it's empty, bad, or loose? Do you have your own unique sauerkraut management trick? Welcome to the comment area to share comments, share experiences, grow vegetables, learn practical planting techniques, and ask for attention and keep up-to-date on all kinds of vegetable conservation products
Disclaimer
The planting techniques, water fertilization and management methods shared in this paper are common practical experience and are used only for reference purposes. There are differences in climate, soil and planting patterns between different regions. Do not copy them directly. They can be adapted to local practical flexibility。
