How To Revitalize Lawns After Heavy Rain

Revitalize Lawns After Heavy Rain
Severe convective weather can bring heavy rain, which poses numerous challenges. In a short period of time, such rainfall can lead to road waterlogging and landslides, affecting travel. Poor drainage can easily cause water accumulation. In large green areas like parks, the soil pores fill with water, causing hypoxia in the roots of lawn grass and inhibiting root physiological activities. As a result, lawns after heavy rain need strengthening and rejuvenation. Lawns in low-lying areas are particularly prone to waterlogging. Long-term soaking can lead to the accumulation of harmful substances, disrupting the lawn’s own mechanism, affecting normal growth, causing weak growth, disease outbreaks, and even turning yellow, rotting, or dying.
Here are four steps to rejuvenate your lawn after heavy rain:

Minimizing losses requires draining the water within 48 hours. When plants are waterlogged for a long time, the soil has excessive moisture and lacks oxygen, preventing roots from breathing normally, which can lead to root rot and death. Specific measures include timely discharging surface and underground water. After draining, drilling can be done to facilitate the volatilization of water in the lawn soil, enhance soil air permeability, and reduce the chance of rot and decay of lawn grass.

2. Disease Prevention

Lawns after heavy rain are highly susceptible to diseases like root rot and yellow rust. Preventive measures should be taken in advance to avoid large-scale infections. Specific measures include using “Trichoderma” for lawn root irrigation to improve the microenvironment of the lawn root system and prevent root diseases. Protective fungicides can be sprayed on the lawn every 10 to 15 days to prevent bacterial infections and yellow rust due to high humidity. Moss killers can be used to spray the lawn to prevent moss growth after flooding. (Trichoderma product)

3. Rooting and Rejuvenation

After addressing diseases, to help the lawn recover quickly, regular spraying of water-soluble fertilizers and rooting ingredients on the lawn can improve the soil environment and promote rapid rooting and rejuvenation. Due to waterlogging and high temperatures, the soil exposed to the sun is prone to hardening and cracking, accelerating water evaporation and nutrient loss. Applying some biostimulants with high organic matter content to the lawn can increase soil organic matter, loosen the soil, and prevent soil-borne diseases. (Our AOS for rooting)

4. Weed Control

Weeds compete with lawn grass for nutrients. Using herbicides or manual weeding can effectively help the lawn rejuvenate.

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