The latest causes of yellow leaves and prevention
Asparagus is a kind of plant that is not tolerant to cold and drought, and it is easy to have problems in daily planting. However, it represents the elegance of literature in the hearts of many scholars, resulting in many intellectuals like to plant such plants. Yellowing leaves is a relatively easy situation of asparagus, so let's learn about it together with Xiaobian.
1. Lack of nutrients
Asparagus needs more nutrients in the soil during its growth, so friends who grow asparagus should often manage and fertilize it. If the leaves of asparagus suddenly change, and other aspects are normal, there is no obvious problem with the roots, and the yellowing time is gradual, and the color is darker and darker day by day, then it can be concluded that the soil nutrients are insufficient. This is generally in the early stage of the application of sufficient base fertilizer, in the later stage once a month will not appear basically, as long as the timely topdressing occurs.
2. Stagnant water
The yellowing of leaves caused by stagnant water is significantly different from other yellowing. From the leaf point of view, it shows a full yellow, the whole leaf gives you the feeling that there is no lack of water, pressing with your hands will have an obvious sense of wetness, and the bottom of the growing soil will be very moist, and there will be obvious moisture when you touch the soil at the bottom with dry matter. This situation is basically caused by stagnant water, it is recommended to first drain from the bottom, serious direct replacement of the soil.
3. Accumulate fertilizer
The yellowing of leaves caused by fertilizer accumulation is also a special way of identification. Although the leaves of the whole asparagus turn yellow, it looks very dynamic on the outside, and it will grow some new branches and leaves, but slowly it will wither, and the roots at the bottom begin to change color, and finally turn black and rot. In this case, it can be concluded that the accumulation of fertilizer caused the leaves of asparagus to turn yellow, and the best way is to change the soil directly and remove the necrotic roots. After transplantation, we also need to allocate some nutrient solution to speed up the recovery of asparagus.
4. Strong light
The discoloration of asparagus leaves caused by strong light is the best to judge, and the situation is also the fastest to show. Because asparagus is a negative plant, the strong light will seriously cause the maladjustment of asparagus, so it is only necessary to move it to a cooler corner or block it from the sun. If the leaves begin to turn green slowly at the next time, it can be concluded that it is caused by the strong light, otherwise other aspects will be checked.
Although asparagus likes shade, we still have to give it some light. After all, plants are inseparable from the sun. Secondly, the planting of asparagus should not be too dense, because the group of asparagus is not high, which is what growers should pay attention to.
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