Ou Baochun is a basal leaf and promotes branching(black plastic nursery pots). If such a plant is used directly for planting, when watering, the water is not completely penetrated by the whole basin. One hand carries the plant and the other hand holds the pot on the ground. The mantle, while lifting the plant slightly, adjusts the height, each time when the roots are full, change to the larger basin, the root layer is full of all layers(7 gallon nursery pots wholesale), and it is proved that the plants in this operation are longer. it is good.
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(cheap plastic v9 nursery pots wholesale supplier)The substrate provides the water and nutrients needed for the fixation and growth of the vegetable plug seedlings(plug trays wholesale), and the oxygen necessary for the normal breathing of the roots. The foreign commercialized seedling substrates, such as Klasmann, Sunshine, Pindstrub and other famous brand products, generally add a moisturizing agent. Domestically produced substrates are rarely labeled(10 gallon nursery pots wholesale). Moreover, in actual production, the technicians often confuse the humectant with the water retaining agent, and the misunderstanding of the understanding also restricts the correct use of the humectant.
When moisture comes into contact with the dry substrate(plastic nursery pots wholesale), moisture is difficult to enter the matrix rapidly and is evenly distributed to various sites due to the surface tension generated by moisture cohesion and the hydrophobicity of the matrix components. Directly, the surface of the substrate or the bottom of the substrate is filled with water, while the inside of the substrate is dry, the roots of the seed and the seedlings cannot absorb the water(14 gallon nursery pots wholesale), the nutrients can not be transported and used by the roots of the seedlings, the irrigation takes time and labor, the seed germination rate is low, and the seedlings are poorly developed.
(cheap plastic v9 nursery pots wholesale supplier)A humectant is a special surfactant whose molecular structure generally comprises two parts(plastic nursery pots manufacturers), a hydrophobic group of a non-polar part and a hydrophilic group of a polar part, and is therefore also referred to as an amphiphilic compound. The hydrophilic group is exposed to the outside and binds to the water molecules, and the contact angle of the surface of the water droplet with the surface of the hydrophobic solid becomes small(15 gallon nursery pots wholesale), thereby significantly reducing the surface tension of the water molecules and promoting the diffusion movement of the water molecules in the matrix.
Adding an appropriate amount of wetting agent to the matrix(plastic nursery pots), the hydrophobic group of the humectant molecule is combined with the matrix particles to prepare a matrix with excellent physical and chemical properties, which is an important basis for the success of vegetable seedling tray seedling cultivation. Surfactants are a large class of organic compounds. According to the type of ions dissolved in water, active agents can be divided into two types: ionic and nonionic(20 gallon nursery pots wholesale). Among them, ionic active agents are further classified into anions according to their ion types. Type, cationic and zwitterionic.
(cheap plastic v9 nursery pots wholesale supplier)Cationic surfactants, such as amine salts, quaternary ammonium salts and heterocyclic types(wholesale nursery pots), are easily adsorbed by the negative charge of the matrix particles, which can significantly reduce the water permeability of the matrix upon drying. Nonionic surfactants such as polyoxyethylene (octylphenol ethoxylate, nonylphenol ethoxylate, fatty acid polyoxyethylene ester(15 cell propagation trays wholesale), fatty acid methyl ester ethoxylate, sorbitan ester, sucrose Ester) and polyol type, longer activity and better effect.