Nail-shaped compound micro-fertilizer and preparation method and application thereof

Abstract

The invention discloses a nail-shaped compound micro-fertilizer which mainly comprises sulfate of trace elements, inorganic oxide of the trace elements and urea. The compound micro-fertilizer can be made into a nail shape, the single nail-shaped compound micro-fertilizer comprises a bottom nail point and a middle nail body, and the nail point is integrally connected with the nail body. The compound micro-fertilizer can be also made into the shape of a U-shaped nail, the single compound micro-fertilizer in the shape of the U-shaped nail comprises a U-shaped nail body and nail points arranged at two ends of the U-shaped nail body, and the nail points are integrally connected with the U-shaped nail body. The nail-shaped compound micro-fertilizer is prepared by compounding and uniformly mixing raw materials firstly, then preparing a nail-shaped micro-fertilizer forming mould or a micro-fertilizer forming mould in the shape of the U-shaped nail, performing squeezing granulation by the aid of the mould and a squeezing granulator, sorting and drying. The nail-shaped compound micro-fertilizer can be applied to fixation of slope-protecting turfs and has the advantages of simple structure, low cost, low environmental pollution, good fertilizer effects and the like.

Description

technical field [0001] The invention relates to a micro-fertilizer and its preparation method and application, in particular to a compound micro-fertilizer with a specific shape and its preparation method and application. Background technique [0002] With the continuous strengthening of people's awareness of environmental protection and ecological landscape, more and more turf is used for vegetation coverage in the side slope greening of ordinary roads, especially high-grade roads. The traditional method is to build the slope into a grid shape, then implant turf into the grid, and then cover the grid turf with a plastic film. After the turf root is implanted in the slope soil and grows fixed, the plastic The film is removed, and then fertilized for maintenance to promote the growth of turf to achieve the purpose of greening the slope. The traditional method is not only time-consuming and labor-intensive, but also easily causes secondary pollution of the plastic film. More ...

AI Technical Summary

Problems solved by technology

The traditional method is not only time-consuming and labor-intensive, but also easily causes secondary pollution of the plastic film. More importantly, when the slope is relatively large, it is often difficult to fix the turf, and it is difficult to achieve the expected purpose even according to the traditional method. , the effect of slope protection and greening is not good

Images