Prepared by calcining natural limestone, no chemical additives are added, it is a natural alkaline soil conditioning material. The available calcium element content is as high as 55%, which can quickly neutralize hydrogen ions in the soil, reduce soil acidity, and supplement calcium elements required for crop growth, preventing calcium deficiency diseases such as blossom-end rot. The product is finely crushed with a particle size ≤100μm, which can be uniformly dispersed in the soil without the problem of excessive local alkalinity causing seedling burning. The packaging uses large-capacity composite woven bags, adapting to the needs of large-scale agricultural application. It has passed organic agricultural certification, meeting the environmental protection requirements of green planting.
Molecular formula Ca(OH)₂, appearing as off-white powder, effective calcium hydroxide content ≥85.0%, available calcium (Ca) content ≥55.0%, moisture content ≤2.0%, acid insoluble matter ≤0.5%, heavy metals (calculated as Pb) ≤50mg/kg, particle size distribution: 90% of particles ≤100μm, pH value (10% water suspension) 12.0-12.4, packaging specification is 50kg industrial agricultural composite woven bags, shelf life 12 months, storage conditions: dry and ventilated warehouse, avoid damp and caking.
It is widely used in agricultural planting, including acid soil improvement for field crops such as wheat and rice, adjusting the soil pH to the range of 6.0-7.5 suitable for crop growth; soil conditioning in fruit and vegetable planting gardens to improve soil aggregate structure and enhance soil water and fertilizer retention capacity; soil improvement for horticultural potted plants and greenhouse sheds to solve the problem of soil acidification caused by continuous cropping. It can also be used as a calcium source supplement for livestock and poultry feed additives to assist in improving the bone development and egg production rate of livestock and poultry, adapting to the bulk procurement needs of large-scale farms and horticultural cooperatives.
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