1、 Moisture

1. Water deduction: This refers to less or no water during the growth process, so as to limit the growth and accumulate nutrition

2. See dry and see wet: wait until the soil surface is dry, and then pour the next time. One time watering needs to be poured thoroughly

3. Backwater: This refers to watering again the next morning after fertilization the previous day

4. Waist blocking water: this also refers to half cut-off water, which means that only half of the water is poured, causing the top to be wet and the bottom to be dry

5. Better dry than wet: for some plants that like drought conditions, it is necessary to ensure that the soil is dry and not too wet due to excessive watering

2、 Soil

1. PH value: it refers to acidity and alkalinity. It is acidic when the pH value is small, and it is alkaline when the pH value is equal to 7

2. Texture: it means that the different proportion of particles with different thickness in the soil will form different soil quality

3. Humus: This is one kind of soil organic matter, which is formed by the decomposition of animals and plants by microorganisms

3、 Illumination

1. Ultraviolet: this light refers to visible light other than purple light, which cannot pass through ordinary glass. This light can promote seed germination and fruit ripening

2. Light intensity: refers to the visible light energy acceptable per unit area

4、 Fertilizer

There are also some terms in fertilizer, such as topdressing, base fertilizer, Gong fertilizer and water, fertilization outside the root, etc