Incorrect Statement: Soils provide a disease-resistant environment for plants.

Explanation:
Soil is a crucial natural resource that plays a vital role in supporting plant growth and providing essential nutrients and water to plants. However, it does not inherently provide a disease-resistant environment for plants. Here's a detailed explanation:

1. Soil and its Functions:
Soil is a complex mixture of minerals, organic matter, water, air, and living organisms. It serves several important functions for plant growth and development:

- Water and Mineral Supply: Soil acts as a reservoir for water, which is crucial for plants' survival and growth. It also holds essential minerals like nitrogen, phosphorus, potassium, and others, which are necessary for plant nutrition.

- Substratum for Plant Growth: Soil provides physical support and anchorage to plant roots, allowing them to penetrate and explore the soil depth. It acts as a substratum for root development and overall plant growth.

- Nutrient Availability: Soil is a source of essential nutrients for plants. It contains both organic and inorganic nutrients that are vital for plant metabolism, growth, and reproduction.

- Gas Exchange: Soil contains air-filled pore spaces that allow oxygen to reach plant roots. This oxygen is crucial for respiration and other metabolic processes in plants.

2. Disease Resistance:
While soil is essential for plant growth and nutrient availability, it does not inherently provide a disease-resistant environment. In fact, soil can harbor various pathogens and pests that can cause diseases in plants. Some key points to consider regarding disease resistance in plants:

- Pathogens in Soil: Soil can contain pathogens like bacteria, fungi, nematodes, and viruses, which can infect plants and cause diseases. These pathogens can persist in the soil for varying durations, affecting plant health.

- Plant-Soil Interactions: The interaction between plants and soil can influence disease occurrence. Certain soil properties, such as pH, moisture, and organic matter content, can affect the growth and survival of pathogens in the soil.

- Plant Health Management: To ensure disease resistance, various plant health management practices are employed, such as crop rotation, soil sterilization, using disease-resistant plant varieties, and implementing proper sanitation measures.

Conclusion:
In conclusion, soil is a vital component for plant growth and development, providing water, nutrients, and a substratum for root growth. However, it does not inherently provide a disease-resistant environment for plants. Disease resistance in plants requires proper plant health management practices to minimize the impact of soil-borne pathogens.