In the planting process of greenhouse beans, many growers will encounter a variety of bean planting problems. Xiaobian Huinong.com has compiled several common types of bean planting problems, and I hope to help you.
1. The seedlings grow in the seedling stage
Symptoms: The growth rate of the bean seedlings is slow, and the body is thin and the leaves are yellow.
the reason:
1. The temperature inside the soil is low and the roots of the beans cannot be adapted;
2. The use of fertilizer that is not completely decomposed during fertilization triggers the phenomenon of root burning;
3. Because the soil quality of the seedlings is not good, especially the soil fertility is relatively low and the gas permeability is poor, and small old seedlings are also produced;
4. The pests in the soil have an effect on the roots of the plants.
2, beans appear in the seedling stage
Symptoms: The beans are long and thin, the leaves are soft, and the roots are very fragile.
the reason:
1. Because of excessive use of nitrogen fertilizer;
2. Lack of other trace elements;
3. The roots of the plants are not ventilated in time, resulting in excessive ground temperature and dense spacing during sowing;
4. Because of the extreme weather, the plant's lack of illumination led to a long-lasting phenomenon.
3, root
Symptoms: The growth of new roots is very slow, or the roots that have not sprouted new roots are slowly decaying. The leaves on the ground begin to turn yellow, and the whole plant is finally dead every year.
the reason:
1. The fertility in the soil is relatively poor;
2. The soil moisture is too high, causing the roots of the plants to be deprived of oxygen;
3. The temperature on the seedbed is relatively low for a long time, which makes the root capacity of the plant worse, and slowly appears to be depleted and rotted, especially in the case of continuous rainfall, the plants are not taken care of for a long time, hindering the growth of the roots;
4. The phenomenon of root burning occurred after the use of non-fertilized fertilizer.
4, the bean planting appears falling flowers and fruit
the reason:
1. The temperature is not suitable. For example, if the temperature is too high or too low, it will affect the differentiation of flower buds;
2. Malnutrition, in addition to the use of nitrogen fertilizer, should also use other elements of fertilizer;
3. Pay attention to the density between plants when planting.
5, the beans are bent and deformed
the reason:
1. Lack of nutrition, if the potassium and calcium are not added in time, the growth of the whole plant will be weakened;
2. The growing environment will also have certain effects on the plants, such as the temperature difference between morning and evening is relatively large;
3. Beans grow at different speeds in different parts, which also affects its appearance;
4. The supply of water and pests and diseases will affect the appearance of the beans.
The above are the symptoms and causes of common problems in the cultivation of greenhouse beans in the small series of Huinong. In the process of planting beans in the greenhouse, the growers must manage the water and fertilizer, control the temperature and humidity, so that the bean planting will be more Ok.
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