How to manage vegetables in summer hot season

September 22, 2025

As summer heat, drought, and pests continue to pose challenges for vegetable farming, they not only affect yield but also threaten the quality and safety of produce. To help vegetables withstand these adverse conditions and achieve stable and high yields, the following four strategies can be implemented. First, it is essential to choose heat- and drought-resistant vegetable varieties. When planning your planting, opt for leafy greens such as mustard greens, Chinese cabbage, leeks, early celery, and oilseed rape. Early radishes that are heat-tolerant can also be sown. Additionally, it's a good idea to start seedlings for autumn crops like cauliflower, cabbage, tomatoes, peppers, and eggplants at the right time. Second, using shade nets is an effective way to protect crops from extreme heat. Shade nets help reduce sunlight exposure, lower temperatures, and prevent damage from rainstorms. They create a more favorable growing environment during hot seasons, which helps maintain consistent production. For fast-growing leafy vegetables like mustard greens and early celery, shade nets can allow for earlier harvests and higher yields. For fall crops such as cauliflower, cabbage, tomatoes, peppers, and eggplants, shade nets help strengthen plant growth. Common types include black, silver-gray, and reflective nets, which also help deter pests. These nets can be used over greenhouses, small sheds, or even directly on the soil, helping to cool the plants naturally. Third, implementing micro-drip irrigation systems can effectively combat drought. This advanced irrigation method delivers water directly to the roots, reducing waste and improving efficiency. In summer and autumn, using micro-drip technology helps minimize the impact of dry weather, ensures better crop resilience, and reduces labor and water usage. It also increases humidity, lowers temperatures, and improves the overall microclimate. By regulating moisture, nutrients, and air flow in the soil, this technique promotes healthier plant growth and enhances the marketability of leafy vegetables during hot seasons. Lastly, integrating agricultural, physical, and biological pest control methods is crucial for maintaining healthy crops. Agricultural practices include timely tilling of the soil after harvest, exposing it to high temperatures or using steam to eliminate pathogens, and adding lime to improve soil health. Crop rotationâ€”such as alternating between paddy fields, melons, onions, and garlicâ€”can also help reduce soil-borne diseases. In addition, physical and biological techniques like insecticidal lamps, pheromone traps, insect-proof nets, and natural biopesticides like azadirachtin can be used to manage pests such as diamondback moths and cutworms. These methods improve pest control effectiveness while ensuring safer, higher-quality vegetables for consumers.
Saccharomyces Boulardii

Saccharomyces boulardii (S. boulardii) is a probiotic yeast that is a variety of Saccharomyces cerevisiae (also known as baker’s or brewer’s yeast).¹ It has been isolated from lychee and mangosteen fruit.²

The probiotic activity of S. boulardii ranges from improving gut barrier function, eradicating pathogens, producing antimicrobial peptides, stimulating the immune system, and inhibiting inflammation.³ Specifically, S. boulardii is used for the prevention and treatment of gastrointestinal tract disorders, including diarrhea symptoms.³

This article discusses the uses, side effects, and precautions of S. boulardii. It also covers what to look for in an S. boulardii supplement.

Dietary supplements are not regulated like drugs in the United States, meaning the Food and Drug Administration (FDA) does not approve them for safety and effectiveness before products are marketed. Therefore, when possible, choose a supplement that a trusted third party, such as USP, ConsumerLabs, or NSF, has tested.

Saccharomyces boulardii
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