River sand introductionRiver sand is formed by natural stone being impacted and rubbed by water for a long time. It has a relatively smooth surface and is white to yellowish in color. It is a non-metallic mineral with a relatively high impurity content. River sand compositionThe composition of river sand is relatively complex. Generally speaking, the main component is quartz, which contains elements such as silicon dioxide. Hesha PointadvantageFirst, the particles of river sand are round and relatively clean; Second, river sand has a wide range of sources, is easy to obtain, and has low cost; Third, river sand has no taste, while sea sand has a salty taste; Fourth, river sand has good water permeability and air permeability. shortcomingFirst, river sand has no nutrients; Second, river sand particles are large, which makes it easy to leak fertilizer and water, and has poor fertilizer and water retention; Third, river sand is easy to leak water, and sometimes in order to retain water for the plants, you have to water them frequently, which causes the roots of the plants to rot. River sand suitable plantsRiver sand is a mineral that is insoluble in water and contains very few nutrients needed for plant growth. Generally speaking, river sand is not used for its nutrients when growing plants, but, like vermiculite, it serves as a support for the plant roots in soilless cultivation. When carrying out soilless cultivation, nutrient solution should be applied to supplement the nutrients needed for plant growth. When cultivating malt, sterilized river sand can be used for cultivation, and river sand can also be used as a mixed matrix to grow succulents. |
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