How to differentiate the true and false that imports water-solubility fertilizer?
1, odour, that did not say, everybody knows;
2, on the exterior, must coloring (red, blue, green) , because foreign fertilizer is designed for large farm, if colorless, add a farmer not to know, the likelihood adds excessive to be able to bring about chroma again exorbitant;
3, macula, green place waits, it is microelement, distributing evener (this is in China normally impossible) , basically be equipment issue (horizontal and the dead space that bucket type blender can have about 10% , bring about mix inhomogenous) . Be in abroad, they are blender of double helix awl, the mixture that needs 30 minutes.
4, low water content, those who make public is secret, to reduce cost, home will use urea powder (a few use at smashing directly grain) , this is moisture absorption, lowest, achieve when urea 30% , hold with the hand can discover special stick, flap will be in hand coloring, the entrance won't be caught in the hand;
5, the product has a characteristic, or phosphor calcic syncretic, or has certain delay commentate action, or adds stimulative composition to wait, and domestic conjectural content is high (fart is much, cannot absorb) , hormone (medicine is medicine again very, what kind of adipose compare costly? ) natrium of furan of IVE comparing saltpetre, conceal the effect of the dot, change good soil to wait.
Entrance water-solubility fertilizer and domestic water-solubility fertilizer use jointly:
1, entrance water-solubility fertilizer and content of nutrient of homebred water-solubility fertilizer are basic and identical. They are fertilizer of quick result water-solubility, the disease resistance that can raise crop, fight sex of cold sex, fight a drought and sex of resistant to lodging, the goods shelves that lengthens crop period and store up period.
2, after using, fructification is chromatic and even bright, dimension semmetry. The precocity that can promote crop and in the morning city.
3, use means is dilute sprays directly go up in the page, punching, drip irrigation.
The distinction of entrance water-solubility fertilizer and homebred water-solubility fertilizer depends on:
1, different price, the water-solubility fertilizer of the entrance is more expensive than what home imports, because the water-solubility fertilizer of the entrance needs to raise other cost, be like custom duty, sale price is so high. But water-solubility fertilizer of home is mixed without custom duty those who produce each cost is compound intermediate link, because the photograph of entrance water-solubility fertilizer of this and identical content compares petty gain.
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