| abstract |
The invention discloses a kind of soil improvement agent, the soil improvement agent is made of the covering material of functional particulate and cladding functional particulate, the functional particulate includes salt reduction alkali particle and nutrition fertilizer conservation particle, the covering material includes adhesive, coagulating agent and slow-release material, it preferably, further include pore-foaming agent in the covering material.The soil improvement agent not only can effectively improve the salinization and alkalization in salt-soda soil, while can also improve the ability of plant anti-salt alkaline stress, provide nutriment for plant growth. |