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King of Mercenaries - Chapter 81

Published at 14th of June 2023 05:28:28 AM


Chapter 81: Fish scraps

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Speaking of potassium fertilizer, as a rural child, Marin naturally thought of phosphate fertilizer. Crop fertilization generally requires three fertilizers: nitrogen, phosphorus, and potassium.

In ancient China, manure application was actually nitrogen fertilizer. Because the stool contains nitrogen. However, nitrogen alone is not enough. Europeans do not fertilize, so the wheat yield is only a hundred pounds per mu. Huaxia people apply manure, and the yield per mu can reach more than 200 kilograms.

Later, in addition to applying manure, the Huaxia people also sprinkled grass and ash into the ground. Plant ash contains potassium, barely considered a weakened potassium fertilizer. After applying these two kinds of natural fertilizers, the wheat yield of Huaxia people can reach 300 kg per mu.

The paddy field in the south of the Yangtze River, because of the ditch, is full of fish and shrimp. These fish and shrimp are rich in phosphorus. After the fish and shrimp died, the phosphorus infiltrated into the ground. The effect is equivalent to the phosphate fertilizer of later generations.

Therefore, some Jiangnan paddy fields with manure, plant ash, and phosphorus rich in phosphorus can produce high yields of five to six hundred kilos per mu. Because in this field, the three elements of nitrogen, phosphorus, and potassium are complete ...

Of course, the ancients did not understand the principle of fertilizer, and did not know that dead fish and shrimp could also fertilize the field. Therefore, it has been circulating that the land in the south is fertile and the land in the north is barren. In fact, it is not the case at all.

The actual situation of the later generations proved that as long as three kinds of chemical fertilizers were applied, the fields in the north and south were as productive.

On Texel Island, Marin promoted manure and plant ash. However, the vegetation resources on Texel Island are not as abundant as inland. The plant ash has a limited potassium content, so Marin sent people to the Harz Mountains to buy bitter mines (potassium mines) and directly apply potassium salts as potassium fertilizer.

However, it is very difficult to get this phosphate fertilizer. Because, Morocco is rich in phosphate fertilizer, Marin can not afford to mess with. Even Western Sahara, another area rich in phosphate fertilizers, is under Moroccan control.

Bian Marin has read a cross novel before, and knows that near Ayun in Western Sahara, there is a very large phosphate mine with reserves of 2 billion tons, not far from the sea.

However, it is now a Moroccan territory. Morocco is not too strong, but it is definitely not weak. It was no problem that they pulled out 20,000 or more Arabian cavalry. Therefore, if you want to conquer the phosphate ore in Western Sahara, you must ask the Moroccan's machete first.

As for trading with Moroccans, buying phosphate ore can be done after more than a hundred years, but now absolutely not ...

Because, after the 17th century, the Holy See declined, authority no longer existed, and everyone could trade with the pagans, no problem. But now the end of the 15th century, the authority of the Holy See is still strong.

If it is a big country like Spain or Portugal, it may be possible not to give face to the Holy See. As for Marin's Texel, he did not dare to give the Holy See a face. Trading with pagans, but also Christians' deadly rivals, could easily be declared heresy by the Holy See.

The Holy See itself may be combative, but now the Holy See has a strong appeal. If he is on the Holy See's blacklist, Marin is waiting to be beaten ...

Therefore, before the Reformation and the Religious War in Europe, Marin was absolutely afraid to confront the Holy See. Defeating Morocco is currently unlikely. Therefore, with regard to phosphate fertilizer, Marin must think of other methods ...

I remember when I was studying chemistry in middle school in the past, Marin heard a junior high school chemistry teacher say that the bones and scales of fish are rich in phosphorus. Even in fish and fish offal, the phosphorus content is good.

也就是说 "That is to say, fish bones, fish scales and fish offal can also be used as low-level phosphate fertilizer?" Marin thought at the table.

Thinking of this, Marin took a few attendants and hurried to the two fishing ports of Tholencher and Oddshilde for field investigation.

Sure enough, whenever a fishing boat returns to Hong Kong, after a large number of marine fish are unloaded, fishermen start to kill fish ...

A large number of fish scales were hung down and dropped on the ground randomly. A large amount of fish offal was discarded and even thrown into the sea ...

每次 Every time after eating, many fishermen ’s homes also have a lot of leftover fish bones, which are treated as garbage and randomly discarded ...

"Mom! It's too wasteful!" Marin was distressed during the inspection.

"Master, what's wrong?" Asked Bansall.

这些 "These ... are all good phosphate fertilizers! Just throw them away for nothing!"

"Phosphate fertilizer? What the hell?" Sauer's full question mark ~ www.novelhall.com ~ said you didn't know ... "Marin shook his head.

On the next day, Marin issued an order that all fishermen in the two major fishing ports be ordered to collect and hand over the fish scraps (except for the highly toxic fish gall) and the remaining fish bones after eating fish. Anyone who throws it away without permission will be fined ...

The collected scraps of fish scales, fish offal, fish bones and other fish, Marin planned to organize people, dried them, and then smashed them into natural green fertilizer similar to plant ash. Or throw it directly into the manure pit and ferment the manure with the feces and plant ash.

Although the phosphorus content of this fish-killing waste is far less than that of phosphate fertilizer. However, it can also provide a plant-like effect.

Furthermore, due to Marin's strong support, there are now more than two dozen fishing ports in the two fishing ports of Tholencher and Oddshilde. Every day, the two fishing ports handle dozens of tons of fish alone.

These scraps contain about 1% of phosphorus content. Although it can't keep up with the special phosphate fertilizer, but the amount is too large, it can still be used as phosphate fertilizer.

Manure (nitrogen fertilizer), potassium fertilizer (potassium salt) and phosphate fertilizer (fishing waste) three fertilizers have been fully applied, not to mention that it has reached the level of jin per mu in future generations, at least similar to that of the upper rice fields in the south of the Ming Dynasty, reaching five acres. Six hundred catties per acre ...

In other words, Marlin intended to use it as the most primitive and natural phosphate fertilizer that was originally discarded by fishermen as garbage. Www.novelhall.com ~ Welcome the latest and fastest book readers. The most popular serial works are all in ~ www.novelhall.com ~ Please read for mobile users.




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