What causes turf yellow and why does turfgrass turn yellow

Hello, I am a farmer who grows lawns, and if the leaves are not too long in this season, it is only a lack of fertilizer! Just buy some compound fertilizer and sprinkle it.

Turfgrasses are mostly perennial, and they stop growing when the temperature is too low, and they will regreen when the temperature rises the next year.

Because the grass planted is an annual plant, it will naturally die, but the roots will not die, and new ones will grow in the next year

There are a variety of reasons

The reasons for the yellowing of the lawn during the normal growth period are: 1. Lack of fertilizer 2. Insufficient light 3. Excessive trampling 4. Flooding 5. Fertilizer damage 6. Pest and disease hazards.

Abnormal growth period: 1. Low temperature stress 2. High temperature stress 3. Normal dormancy affected by the season.

Reasons why turfgrass turns yellow:

The yellowing of the lawn may be caused by insufficient fertilizer, and the lawn should be fertilized regularly during the management period to provide sufficient nutrients.

When mowing the lawn, if it is cut too short, it will also turn yellow later. It is recommended that the length of the pruning should not exceed one-third of the grass, otherwise it will affect the appearance and will also make the grass yellow.

Yellowing of the lawn can also be caused by a lack of moisture. If the lawn lacks water, you need to water the lawn in time, replenish water for it, pay attention to control the amount of watering, too much watering will hurt the root system of the grass, affect the growth of the grass.

Lack of necessary nutrients for the formation of chlorophyll, such as iron, magnesium, manganese, sulfur and other elements, at this time the lawn will turn yellow, and trace elements should be replenished in time.

Without nitrogen, the lawn will yellowish because it cannot form proteins; Nitrogen fertilizer is applied unevenly, and some lawns will be yellowed due to excessive nitrogen fertilizer. Nitrogen fertilizer should be supplemented in a timely and appropriate amount.

Brown spot, rust and other diseases will cause the lawn to turn yellow, which can be treated in time.

First, different varieties are seasonally yellowed when exposed to extreme heat and cold.

The second is that the weeds are not completely removed, and the weeds occupy the main position in the growth process, which affects the growth of the lawn.

The third is that there is no reasonable fertilization, if the fertilizer is too little, the lawn nutrition can not keep up with the will die and yellow, if the fertilizer is too much and the nutrients are excessive, it is also not good for the lawn and even destroys the lawn, which will also lead to the yellowing of the lawn.

Fourth, there is no reasonable watering, watering generally depends on the watering of seedlings and the watering of the sky. After sowing, the topsoil should be kept moist, it is advisable to water twice a day in the morning and evening, if you water too little, the lawn will dry and yellow, and if you water too much, it will drown the lawn.

Fifth, if the lawn is not mowed in time, the growth competitiveness will be strong, and some lawns will not survive and cause yellowing.

Sixth, timely prevention of pests and diseases.

If the grass on the lawn is yellow, if it is caused by insufficient fertilizer, it is necessary to fertilize the lawn in time to supplement its nutrients. If it is caused by insufficient water, the lawn should be watered appropriately so that it can grow normally in the later stage. If it is caused by improper pruning, the later maintenance should be strengthened, and the appropriate amount of watering and fertilization can promote the growth of the grass and enable it to recover.

The yellowing of the grass on the lawn may be caused by a lack of fertilizer. During the management period, the lawn should be fertilized regularly to provide it with adequate nutrition. The fertilizer is mainly compound fertilizer, and the lawn is given sufficient thin fertilizer, which can make the grass grow better.

During fertilization, it is necessary to pay attention to the concentration and do not apply fertilizer frequently.

The yellowing of the grass on the lawn can also be caused by a lack of moisture. If the lawn is short of water, it is necessary to water the lawn in time to replenish the moisture. During the curing period, water the soil in moderation to keep the soil moist.

When watering the lawn, it is necessary to control the amount of watering, if there is too much water, it will hurt the root system of the grass and affect the growth of the grass.

When mowing the lawn, if it is cut too short, it will also turn yellow later. If it is caused by too short mowing, it is necessary to strengthen management, water and fertilize the lawn in the right amount to make it grow quickly. In the later management, it is necessary to prune appropriately, and the length of the pruning should not exceed one-third of the grass, otherwise it will affect the appearance and make the grass yellow.

The yellowing of the grass on the lawn may be caused by pests and diseases. Improper maintenance methods will affect the growth of grass and make it vulnerable to pests and diseases. After the lawn is infested by pests and diseases, it can be sprayed with relevant chemicals to remove insects.

In the later stage, it is necessary to water and fertilize reasonably, and during the maintenance period, it should be sprayed regularly to prevent pests and diseases.

1.Lack of nutrients necessary for the formation of chlorophyll, such as iron, magnesium, manganese, sulfur and other elements, of which iron deficiency is the main cause.

2.Lack of nitrogen prevents the formation of proteins and causes yellowing.

3.Copper deficiency in the soil, copper is a trace element necessary for the growth process of plants, once the soil is deficient in copper, turfgrass will appear yellowing.