How many crops are spoiled by water!

Water is a necessary material for crop growth. Watering is a very important measure in field production. Many growers are afraid that the crops are dry and water-poor, so they are frequently watered in large quantities. As a result, the crops are not. When it was dried up, it was spoiled. Today, I will use a case to tell you what will happen when there is more water. Why do these happen?

1. This is a shed for a cucumber that was visited at the time. At the same time, the other sheds of the cucumbers that have been planted at the same time have long knees, but the cucumbers in this shed cannot grow up.

2, asked about the next fertilization, medication is no problem.

3. At the beginning, the head of the household responded that there was a problem with the leaves. I suspected that it was sick, but when I went to the shed to take a closer look, the symptoms on the leaves were obviously not caused by the disease, because the lower leaves near the mulch were roasted at high temperature. However, it is not enough to apply some fertilizer, which causes gas damage.

4, In addition, look at the soil situation, there is no green moss on the ground, there is no knotting situation, obviously not caused by salinization, slab, the common situation is ruled out, then what causes it?

5. When I saw this cucumber, it was obvious that the cucumber stalks in the picture were a bit too long and a little thin, which usually led to two situations. One was that the temperature was too high at night, and the other was that the water was poured more. The grower's temperature in the morning shed is about 12-14 degrees, which is within the normal range.

6, since the temperature is no problem, then there may be more water, take a closer look at the roots, I go, this soil is so wet, the cucumber has posted an adventitious root on the ground.

Asked how the planter poured water, he said that this year is the first year to grow cucumber, it is watering normally, usually drip irrigation for 5-6 hours, sometimes from early pouring to late.

To be honest, when I heard him say that watering for 5-6 hours, there are 4 words in my head - my gods!!! Water does not need money, electricity does not need money? The reason for this problem is also Found it - excessive watering caused the roots!!!

We all know that crops grow in the soil, and the temperature, oxygen, fertilizer, and water need to be balanced. If the water is excessively watered, it will cause the ground temperature to be low in winter.

At the same time, too much watering will cause the soil to be sticky, and the oxygen content in the soil will decrease. The effect on the root system is that the aerobic respiration cannot be carried out normally. It is difficult to supply the above-ground parts for the absorption of the fertilizer and water, and there will be a cucumber that has been said at the beginning. The situation up.

7. When this situation persists for a period of time, the anaerobic respiration of the root system will produce harmful roots such as alcohol and poison the root system to produce roots and roots. The crop will emit adventitious roots in the near surface in order to maintain its own life. To put it bluntly, these uncertain roots are being smashed out.

8, the following soil digging a hand, a glimpse, it is all out of the water.

9. When the soil continues to be so humid, the roots of the plant will undergo anaerobic respiration, produce toxic substances and poison the root system, and the roots will behave.

10. Let us look at the performance of the root of the cockroach just under normal circumstances. The front is the root crown, and the rear is the division zone, the elongation zone, and the root zone.

11. Through this picture, you can think about it. After rooting occurs, the root crown rots, and the root growth point of the crop is damaged. When the root zone and the elongation zone rot, the root system can no longer undergo cell division, and the root system can no longer grow. .

If the root hair is damaged, it is unable to properly absorb water and mineral elements. In the process of rooting, these parts will be damaged or even rotted, and the above ground parts will not be long.

The reason is found, and the next step is to solve it. In fact, the method is very simple. Open the mulch, slash the soil, and let the soil return to normal humidity as soon as possible. It is also possible to make the ridge into a high ridge by means of the accompanying soil (suitable humidity), so that the adventitious roots emitted can function to absorb the fertilizer.

It is important to emphasize here that when roots appear, individuals think that they should not immediately apply some fertilizers that have rooting effects, otherwise these fertilizers and water will aggravate the problem.

It is necessary to carry out rooting and rooting by using the fertilizer of algae humic acid after the soil moisture has gradually returned to normal by the operations such as loosening the soil.

Finally, let's talk about it, the crops are all grown by ourselves, and we all hope that it will grow well, so it will often give more water and fertilizer, but sometimes excessive love is often a kind of harm.

For watering, especially in the crop seedling period, as long as it is not dry, do not fight, do not over-watering, otherwise the crop is not dried, but it has been poured.

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