Hydroponic cultivation, also known as "hydroponics", is a form of soilless cultivation. Soilless cultivation refers to the cultivation of crops without natural soil, using organic or inorganic substrates as the substrate for plant roots to fix the plants. The plants are cultivated in water, and the plant roots can directly contact nutrient solution (water fertilizer). This cultivation method greatly improves the growth environment of plant roots and is not limited by natural conditions. Watering and fertilizing can solve the problem at the same time. Due to the direct contact of plant roots with nutrient solution, there is less water loss, and the composition of nutrient solution is easy to control, which fully unleashes the growth potential of plants. Hydroponic vegetables are grown in such an environment.

Plants, as one of the oldest and most fundamental organisms on Earth, have always provided us with various necessities for our lives. Plants not only play an important role in nature, but also play an indispensable role in driving technological progress. Now, let's explore together how several plants can contribute to technological progress.

Substrate cultivation is a widely promoted method in soilless cultivation, and it has been widely used in plant factory production. This is a very practical soilless cultivation method.

Each plant has different adaptability and preferences for light, temperature, humidity, fertilizer, water, and substrate. This question seems simple and practical, and cannot be explained clearly in one or two sentences. Let's analyze the factors that contribute to excessive plant growth.

Hydroponic vegetables refer to vegetables in which the majority of the root system grows in the nutrient solution layer and is only provided with water, nutrients, and oxygen through the nutrient solution. Next, let's talk about the advantages and disadvantages of hydroponic vegetables, as well as how to grow hydroponic vegetables.

With the acceleration of urbanization in recent years, driven by interests and the demand for industrialized cities, cities have gradually been covered by high-rise buildings built of "reinforced concrete", and the forest landscape is gradually decreasing. Many parents are troubled by the fact that their children are exposed to electronic devices, games, toys, and cartoons from a young age, and lack knowledge and understanding of nature. What should they do?

Stereoscopic composite greening refers to a mode of greening achieved in multiple horizontal and vertical directions through artificial or natural growth methods. It aims to make maximum use of spatial resources and create an ecological, diverse, and livable urban environment through plant cultivation.