Zhejiang Mingyuan Garden & Leisure Products Co., Ltd.

The principle that gardens need irrigation

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1. Irrigation principle The amount of irrigation, the number of irrigation times and the time should be determined according to the water demand characteristics, growth stage, climate and soil conditions of medicinal plants, and timely, appropriate and reasonable irrigation.

2. The types of irrigation mainly include irrigation before planting, seedling irrigation, growth and irrigation, and winter irrigation.

3. Irrigation methods Ditch irrigation, irrigation, sprinkler irrigation, drip irrigation, seepage irrigation, watering, etc.

(1) Ditch irrigation method is to open the ditch between the ridges, the distance and width of the irrigation ditch should be determined according to the row spacing of the plants and the soil texture. Ditch irrigation is suitable for medicinal plants with wide line spacing, such as belladonna, perilla, and white peony. The advantage of furrow irrigation is that the soil is infiltrated laterally, the soil structure is less damaged, the surface layer is loose and not consolidated, and the water utilization rate is high.

(2) Dip irrigation method This method introduces irrigation water into the ditch to gradually infiltrate the water into the soil. The sputum irrigation method is suitable for dense planting and medicinal plants planted with sorghum, such as safflower and northern sand ginseng. The disadvantage is that the irrigation is not uniform, the evaporation amount is large after the irrigation, and it is easy to destroy the agglomerate structure of the surface soil to form a lamellar layer, and the air does not circulate, which affects the decomposition of aerobic microorganisms in the soil. Therefore, after irrigation, it is necessary to combine cultivating loose soil.

(3) Sprinkler irrigation and drip irrigation are new types of irrigation methods developed in recent years. They have many advantages, such as sprinkler irrigation, small fog, uniformity, difficulty in tying the soil surface, saving water and saving labor. Drip irrigation is a kind of root soil that allows irrigation water to slowly drip out and infiltrate crops. It can adapt to complex terrain, especially in dry and water-deficient areas.

(4) Watering method Watering with watering can or skin tube is only suitable for cultivation of small-area medicinal materials, but it is widely used in nursery seedlings.

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