How many days is it good to water the greens? When should I water cabbage?

Vegetables are generally watered once every 2-3 days, and most of the vegetables have a relatively large demand for water, especially in the stage of small seedlings, as long as the soil is dry, there will soon be wilting and lack of water symptoms, so you need to try to keep the soil slightly moist. It is important to note that water evaporates quickly in the summer heat, so you can water it in the morning and afternoon, or twice a day.

Vegetable fertilizer should be mainly nitrogen fertilizer, and potassium and phosphorus fertilizer should be appropriately supplemented, such as trim water-soluble fertilizer, which has delicate foliage, large evaporation and large water demand. Fertilization and watering should be coordinated with each other, which is conducive to the absorption of nutrients by small greens, and attention should be paid to timely watering after fertilization.

The frequency of watering greens usually depends on environmental factors and the stage of growth of greens.

Generally speaking, in the seedling stage of green vegetables, due to its relatively slow growth rate, the demand for water is not large, so there is no need for frequent watering, and a small amount of water is watered after each seedling to keep the soil slightly moist.

When the greens enter the growing season, the demand for water gradually increases due to the accelerated growth rate. At this time, the frequency of watering should be determined according to the dryness and wetness of the plot. On sunny days, water every 3-4 days to keep the soil moist.

In the summer heat, the water evaporates quickly, so it can be watered in the morning and afternoon, or twice a day.

In addition, the fertilization and watering of green vegetables also need to cooperate with each other. Nitrogen fertilizer is the main fertilizer, and potassium fertilizer and phosphate fertilizer are appropriately supplemented, such as trim water-soluble fertilizer. After fertilization, it is necessary to water in time to promote the absorption of nutrients by the greens.

In short, the watering frequency of green vegetables should be determined according to the actual situation, not only to meet the growth needs of green vegetables, but also to avoid problems such as root rot caused by excessive water.

1. Chinese cabbage requires high soil moisture at the seedling stage.

2. The seedling stage is in the high temperature and dry season, and it is generally required to water once in 3 or 4 days, so as to achieve "three water seedlings, five water trees".

3. Chinese cabbage is generally "squatting" for 4 6 days after the seedling water, combined with top dressing and watering 1 time, and then generally watering once every 6 7 days to keep the soil moist.

4. The rosette stage of Chinese cabbage is the period when the outer leaves enter the period of rapid formation and development, and the roots are irrigated with 5 kg of rooting agent diluted 200 500 times per mu or applied with watering.

5. Chinese cabbage has entered the balling period, and the demand for fertilizer and water has reached its peak. In this period, it is necessary to reapply fertilizer, and 5 kg of Bika granular fertilizer or 2500 kg of human manure can be applied per mu, and it is generally applied to the field with water.

Wait for the soil to dry and water, usually in the morning or at 6 o'clock.

When planting vegetables, you can water according to the changes of the soil and the season, spring and autumn are the growing period of vegetables, at this time it is best to water the plants in the morning and evening, in the case of higher temperatures, it is best to water in the evening at this time, and pay attention to watering thoroughly every time you water. In addition, when watering the plants, it is necessary to fertilize the plants properly.

What is the best time to water that kind of vegetables, the amount of water required for each vegetable is different, so when planting, it is necessary to water according to the characteristics of the plant, and most vegetables have a relatively high demand for water, so be sure to water according to soil changes and seasonal changes. Today, let's introduce the precautions for planting.

1. Fertilizer. Small greens are fast-growing vegetables that need sufficient soil nutrients, so they should apply foot fertilizer when preparing the land, mainly organic fertilizer, with chemical fertilizer, you can choose organic fertilizer + compound fertilizer.

Ribery Yanwo microbial agent together, so fertilization is conducive to improving the quality of greens, the soil is deeply cultivated and raked, and made into an 80cm flat furrow.

Small green cabbage to young leaves as the product, the demand for nitrogen fertilizer more, timely topdressing helps the growth of leaves, the whole growth period of topdressing about 4 times, from the end of the seedling topdressing for the first time, after every 10 days 1 time.

2. Watering management.

The root groups of rapeseed are mostly distributed in the range of soil 7 10, which is a shallow root vegetable with low harvesting capacity. Generally, after planting, water the planting water in time, 3 5 days and then water the seedlings slowly, after the new leaves are issued, the appropriate shallow cultivation of loose soil, appropriate squatting seedlings, and then wash every 5-7 days or so, until the water stops before harvesting.

When is the best time to water plants? Why does biology study transpiration? There is a graph showing that transpiration is strongest at 12 noon.

Therefore, even if water is added to the plant at this time, common sense is always to water in the morning or afternoon. Can you explain? Common sense is wrong in most parts of China, and it's okay to water plants at any time in spring and autumn.

In winter, it should be watered at noon. Only in summer, it is watered in the morning or afternoon. This is because the soil temperature is high and the water temperature is low at noon in summer.

After watering, the root cells of the plant suddenly become cold, resulting in a decrease in cell viability.

When is the best time to water plants? Why should biology learn to sweat? There is a chart that shows that sweating is strongest at 12 o'clock, so even if you add water to the plant now, common sense is always to water it in the morning or afternoon.

Can you explain? Common sense is wrong. In most parts of China, watering is OK at any time of spring and fall.

In winter, it should be watered at noon. Only in summer, it is watered in the morning or afternoon. This is because the earth temperature is high and the water temperature is low at noon in summer.

After watering, the root cells of the plant suddenly become cold, resulting in a decrease in cell viability.

When to water the green vegetables in Guangdong, it is best to water them in autumn, generally speaking, it is not very hot, and you can choose to water at noon or at night at this time.

Common sense is wrong. In most areas of our country, you can water plants at any time in spring and autumn, and you should choose to water at noon in winter, and only in summer you can water in the morning or afternoon, because the soil temperature is high and the water temperature is low at noon in summer, and the plant root cells are suddenly cold after watering, resulting in a decrease in cell vitality.

Cabbage watering is particular, do a good job in watering management in these periods, cabbage grows strong and high-yielding.

After the cabbage is planted, it is followed by the management of the various growth periods of the cabbage, how to water the cabbage throughout the growth period is more conducive to the high yield of the cabbage, and it is also particular, Mr. Fu will share some management experience on cabbage watering.

1) First of all, the bottom water should be fully watered.

Growers should water the bottom water once according to the soil moisture before sowing to create moisture, and at the same time reduce the soil temperature, which is conducive to seed germination and reduces the probability of virus disease and downy mildew.

2) Watering at the seedling stage.

The cabbage seedling stage is small, the leaf area is not large, the transpiration effect is not strong, and the water requirement is also less, but the root system is not developed, and the deep soil water can not be used, and the temperature is still relatively high at this time, so it is necessary to water a little water frequently in the drought to make the soil moist, so that the seedlings can not only meet the need for water, but also reduce the ground temperature locally.

Generally, the watering of seedlings at the seedling stage is an effective measure to avoid the occurrence of viral diseases and cultivate strong seedlings. i.e. the first watering 24 hours after sowing; The seedlings are watered a second time when they have just been unearthed in small amounts; Water the seedlings for the third time after they are fully established; The seedlings grow to the pull cross stage, and the seedlings are watered for the fourth time after interspersing; The true leaves appear to about 10 pieces, and then water the seedlings again. At the same time, attention should be paid to the drainage of seedlings to reduce the occurrence of black rot and soft rot in the later stage.

3) Watering during the rosette period.

The rosette stage cabbage plants gradually grow, the growth rate is accelerated, the root system is also deepened, and the need for water is much greater than that at the seedling stage, and the water must be sufficient. However, at the same time, the water should not be too much, so as not to delay the bulbosetting period due to the growth of rosette leaves. Generally, the soil is watered thoroughly immediately after the application of fertiliser, and the soil is kept dry and wet during the rosette period.

If the plant grows in the late stage of rosette, it is necessary to take squatting measures. This is done by watering once 7 to 10 days before the balls are set, and then stopping the watering until the leaf color becomes dark green, thick and wrinkled, slightly wilted at noon, and the edge of the center of the plant is green. Watering should not be too much after squatting to prevent the petiole from cracking.

4) Watering during the balling period.

The balling stage is the fastest growing period of cabbage, which requires a lot of water, and often uses furrow irrigation or watering to increase soil moisture, and the frequency of watering can be determined according to the climate and soil moisture status. If there is no rain for a long time or the soil is dry, it should be watered to keep the soil moist as the standard. It rains a lot or the soil has a "night tide" characteristic, so there is no need to water the soil if it is wet.

Generally, after the first watering at the end of squatting, it is necessary to wait before the soil is yellow and moist, and then watered for the second time. After the second watering, water every 7 8 days until 7 8 days before harvest, watering evenly and consistently, keeping the soil moist.

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Before planting cabbage, the ground is thoroughly watered, and then planted, after planting, pay attention to covering and moisturizing, and then watering after the seeds germinate, and then watering the seedlings when watering, and so on after the seedlings are planted, you can flood irrigation, but after the flood irrigation should be used with a watering can.

Generally, vegetables include many kinds, most of the vegetables are relatively short of water in summer, generally can be watered once every two days, so as to ensure that it has enough water to grow, but in winter it does not need too much water, generally can be watered once every ten days, watering can not be watered on the vegetable leaves when watering, which will affect the growth of vegetables.

General vegetables include many kinds, most of the vegetables are cautious in the summer is relatively short of water, generally can be watered once every two days, so as to ensure that it has enough water to grow, but in winter it does not need too much water, generally can be watered once every ten days.

Usually before watering vegetables to see whether its soil is dry, if it is more humid is not watered, in addition to watering on the leaves of vegetables can not be watered, which will affect the growth of vegetables.

What kind of water to water the vegetables well.

1. Rainwater:Generally, when it rains, if there is no greenhouse, the vegetables can be drenched in the rain, and it is okay to rain properly, but if the rain is too much, you need to build a shed for it.

2. Tap water:It is very suitable to water vegetables with tap water, and generally after its soil is dry, you can properly water it, which is conducive to speeding up the growth of vegetables.

What to do if the vegetables are watered too much.

1. Ventilation:If there is stagnant water in the roots of vegetables and need to be ventilated in time, increasing the speed of air circulation can make the water evaporate faster.

2. Spreading sand:Generally, if you accidentally water a vegetable too much, you need to spread a layer of sand with good absorption capacity on its soil, and then let it fully absorb the water before removing the sand.

Summary. Hello dear, I'm glad to answer for you, vegetables need water to grow healthier, but you can't water all the time, and the more watered, the better. During the period when vegetables are growing rapidly, it is enough to keep the soil moist.

This not only meets the water required for the growth of the vegetables, but also does not hinder the growth of the roots of the vegetables.

Hello dear, I'm glad to answer for you, vegetables need water to grow healthier, but you can't water all the time, and it's not a slippery way to know that the more you water, the better. During the period when vegetables are growing rapidly, it is enough to keep the soil moist. In this way, it can meet the water required for the growth of vegetables without hindering the growth of vegetables.

If you water too much, the oxygen in the soil will not be sufficient, which will affect the normal inhalation of the root system. Moreover, overwatered vegetables generally have yellow leaves, grow delicate, long and thin, and the taste is not good. It can also cause vegetables to grow vigorously, resulting in little or no fruit.

Hopefully, the answer will be helpful!