A fertilizer, the name is about the same (some names even just the same) , a manufacturer sells 160 yuan, a manufacturer sells 100 yuan only, go which buying?
Everybody can think: The name of these chemical fertilizer is same, nutrient content is looked at also do not have what to be differred greatly, action should be similar, expensive with cheap should the difference is not big also! So, wanting always when buying manure to buy bit cheaper manure.
But, of chemical fertilizer expensive don't have distinction really with cheap?
The answer follows please small make up look downward!
1.Fertilizer title is same, is the value fair is the meeting same?
Not certain.
Cite a case: Everybody knows the composition of chemical fertilizer basically is nitrogen, phosphor, Potassium, the stand or fall of chemical fertilizer also should read the content of NPK on certain level.
General, identical the fertilizer that deserves to compare, cost difference won't be too big.
The fertilizer manufacturer of old brand, manufacturing technology is stricter, the fertilizer that they produce, all sorts of content are only high not low, carry out national level strictly, manufacturing cost also is met a few taller, but use effect is better also, the price is relatively so bit higher.
But, if match compared chemical fertilizer likewise, if price wide gap is too big, the chemical fertilizer that can show this petty gain only then inside, its actual content has a problem very much likely.
Current, because be being superintended,go up put the difficulty with have certain, very much small manufacturer is put in the situation that deserves to compare inadequacy really. Some manufacturer are short of content to amount to 5~15, every content is controlled every tons in 50 yuan, the word of those 5 content with respect to 250 yuan, probably every bags of cost can differ 15~45 or so yuan.
Also somebody can ask: For what some small manufacturer chemical fertilizer examines eligible, is the price with big manufacturer different still?
Because function branch examines only commonly now,that is of N, P, K content, it is OK that a lot of small manufacturer has made exterior text has made exterior text, but name brand manufacturer even all sorts of in microelement is added, every tons of investment controls the need that goes satisfying crop high production 300 yuan, so, their price may be different still.
2.The change of one word, do the price of fertilizer and effect have a difference really?
(1) compound fertilizer and answer mix fertilizer
Actually compound fertilizer is mixed answer mix fertilizer they go up twice in fertilizer efficiency the difference is not big, what they use is same an executive standard, basically can return for a kind of fertilizer.
But their price is discriminating, because their treatment craft and cost are different,basically be. Answer mixing fertilizer is to use physics to mix lawful production to come out, and compound fertilizer is to use those who contain NPK element is mineral, after reacting through chemistry, form.
Be compared and character, answer the manufacturing cost that mixes fertilizer is low, because it wants only,match all sorts of foundation fertilizer neat, mix into is together mix is even OK. But the production of compound fertilizer still needs to offer certain condition, let raw material have chemical reaction, next again whitewashing builds bead. Cost should be compared answer mix fertilizer a lot of taller.
So, compound fertilizer should be compared answer the price that mix fertilizer is a bit higher.
(2) potassium sulfate fertilizer and potassium sulfate fertilizer
To potassium sulfate and potassium sulfate compound fertilizer these two names, existence of a lot of people has an error.
A lot of people think to be contained in potassium sulfate compound fertilizer chloric, and potassium sulfate is purer, do not contain chloric. See fertilizer packs the mark on bag to have so " potassium sulfate " think this fertilizer is contained chloric, the price should cheap, that mark has " pure potassium sulfate " fertilizer, the price should a few taller, this is incorrect.
Actually, no matter be potassium sulfate model still be potassium sulfate, they inside contain chloric, country of exterminatory and compound fertilizer unites a standard " GB15063-2009 " regulation, ≤ of product chloric content 3% need not tag, low chloric product is between 3-15, 15-30 is medium chloric, be more than of 30 for tall chloric. No matter to potassium sulfate model still be potassium sulfate compound fertilizer, this standard is unified.
Why to say them inside is what contain some to make chloric? Because they are on treatment craft: One kind is to use potassium sulfate to make raw material directly (because of potassium sulfate raw material inside contain chloric ion, if it is being produced, this chloric ionic affirmation is returned is some) . Additionally one kind is the potassium sulfate that takes off chloric production with potassium chloride compound fertilizer, this with respect to prep let alone, basically it this chloric ion also is some.
So, little is contained among them chloric, nonexistent say which contain chloric value low, do not contain chloric, the price is high such view, some farming endowment manufacturer and businessman can play a few ideas, must notice not to want by flicker.
3.Cheap fertilizer and expensive fertilizer, why to look not to come out effect difference?
Someone can say: "The cheap fertilizer that I use, the effect follows expensive also do not have what difference! The effect follows expensive also do not have what difference!!
Not be to do not have a difference. A fertilizer that may be you is to buy really expensive, but more moment, just you did not see cheap fertilizer stop to the influence of crops. You should see it whole to crops grow affect and look only not just at that time " get effective fast " .
For instance, now, those who partial manufacturer mentions azotic content is very tall, reduce the content of potassium, some are done not have even. for instance 15-15-15, the make it 20-10-5 of 45% content, 35% content. After was being used, miao Qimiao is strong, early days effect is very good, but later period takes off fertilizer easily, final output go up not to go however.
Common saying says, petty gain does not have good money, this word is very classical...
When we are selecting a product ah, not total kink at the price, always wanting to use petty gain, have an insatiable desire for petty gain, want practically to consider the demand of crop, cut the product that the employ crop of cogent fact needs most. And, had better be to go worth while and a few big manufacturer, trustful retailing shop goes buying, wanting to have an insatiable desire for petty gain and purchase commodities from abnormal channel, right in that way crops is bad also, also can the loss outweights the gain finally!
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