abstract |
The present invention relates to a kind of biostimulants and preparation method thereof, belong to agricultural biotechnologies and technical field of fertilizers.Biostimulant of the present invention includes wood vinegar, sugar alcohol, lignosulfonates, glycine betaine and middle microelement;The middle microelement includes calcium, magnesium, zinc and boron, the total mass concentration >=100g/L of the calcium and magnesium in the biostimulant.Biostimulant of the present invention can reduce basic soil pH value, and sodium ion in the commutative soil of biostimulant of high calcium content, reduce soil salt content, improve Cation Exchange Capacity in Soils, improve soil texture;Crop saline-alkaline tolerance is improved, plant growth is promoted. |