保水剂主要成分是合成高分子类吸水树脂,能促使土壤团粒结构化,具有透气、吸水、保水、保肥、保药的作用。1.沟施、穴施将颗粒型撒入播种沟或播种穴内,播种后浇透水,然后用土将沟、穴填平。对于已种植的植物,也可开沟开穴施用。2.拌种将颗粒型保水剂与种子按1∶25比例,种子表面 Water-retaining agent is the main component of synthetic polymer absorbent resin, can promote the structure of the soil aggregate, with breathable, water, water, fertilizer, the role of insurance. 1. Ditch facilities, facilities will be applied to the granular particles Seeding ditch sowing or sowing, sowing after irrigation water, and then use the soil will be ditch, hole fill. For the plant has been planted, but also ditching open hole application. 2. Seed dressing will be particle-type water-retaining agent and seed ratio of 1:25, the seed surface