The enemy sighed lightly: If he was an Ogin clan, he might have started with Tu Meng without considering Aalto's suggestion.

This is similar to the feeling that a warrior has for his own weapon, and a knight for his mount beneath him, it is an indispensable sense of need, and it is not that a few months of food and clothing will free the Augins from their craving and love for food.

The arrival of Invincible did not alarm the women and children, and their work did not speed up, and to others it seemed to others that they were playing there rather than toiling. Invincible didn't plan to talk to these Ogins, he came by himself just to see why the sweet potatoes grew so fast.

Walking into the depths of the Seven Hot Springs Valley, Invincible chose a recessed corner, avoiding the sight of those women and children.

With the two palms of his hand, there was a low muffled sound on the ground, and the soil was shaken up by the strength of the invincible, and he raised his left hand and flicked it left and right twice, and the large pile of soil that flew up was swept off both sides of the hand, revealing a big black hole in the ground.

These two palms of qi erupted in the ground, shaking the soil ten meters below the ground, but due to the invincible control, the range of qi vibration was limited to a radius of five meters, a little farther away, not even the potato vines were shaken, and of course they did not alarm the group of women and children thousands of meters away.

Invincible gently landed at the bottom of the cave, looking at the five huge potatoes around him, and felt as if they had all turned into monsters.

Such a huge plant rhizome, even if it is invincible, it has never been seen before. Oslo's upland species are still relatively new to invincibility. In this country where there is almost no basic science, there must be no systematic species to help him understand what this sweet potato is.

He opened the communication with Emily, and after a while, Emily's pretty little face appeared in a green light curtain: "Master, you want me to check the sweet potato information, there are already some of them, do you want to read them to you now?" ”

Invincible Chin: "Say it." ”

With Emily's words, the origin of the sweet potato only came to light little by little. The sweet potato is not a product of the continent Oslo, it originated from the Mayan Empire, another continent east of Oslo. Occasionally, a Yan Ocean Giant Ship that has crossed several oceans, including the Red Sea and the Blue Sea, is brought in.

Since this thing doesn't taste too good. Humans only thought of it as a strange fruit from a distant continent, and there was nowhere in the whole of Oslo, except that the only potato was grown in a dense forest at the southernmost end of the Misty Forest.

It was the food of a dwarven tribe.

Later, an adventurer inadvertently took out some whole sweet potato roots as valuable treasures, but the adventurer's appreciation level and brain did not seem to be very good, and the smell of sweet potato vines and the inconspicuous appearance on the rhizomes, as well as the unpalatable taste, made these sweet potatoes in the Perlman auction house undesirable.

In the end, Emily, who was instructed by Invincible to collect all kinds of rare plants that could be used as food, spent a hundred gold coins to buy these sweet potato rhizomes.

If it weren't for the invincible instructions. Emily probably didn't bother to look at this gray and inconspicuous potato, and the only reason Emily paid for it was that Emily had never seen this plant, and it was sold cheaply. Emily was already familiar with most of the crops grown by humans in Oslo, and after months of reselling food, she could only target the rare plants whose habits and functions were unclear, and there were many such plants in the Parma auction house, but not many that could become food.

The sweet potato is with the fat body of its rhizome. Let Emily keep her heart.

As for the Mayan Empire, where the sweet potato originated, Emily also inquired, which is a country that lives in lush forests. The whole country is in the humid and stuffy jungle, and on another continent lives a peaceful life where no one offends me and I don't offend, and there is no more detailed information about it.

The information is very simple, Emily even explained the analogy and the cause and effect. It didn't take ten minutes. But after listening to her words, Invincible turned off the video and audio magic crystal, and then fell into deep thought.

If the Mayan Empire was a country that lived in tropical jungles. It is not surprising that they grow sweet potatoes, which are a place of many creatures, where they inevitably face competition from many species, such as the same vines or insects that eat sweet potatoes.

However, when you arrive at the hot spring valley, the cold weather around the hot spring valley makes it have no plants or insects, but the steaming water and fertile volcanic mud of the hot springs allow it to grow to the fullest, which may be one of the reasons why it grows so wildly.

Invincible stared at the ground in front of him

I didn't think about it for a long time, and suddenly I felt that there seemed to be dirt in front of me

Staring at the dirt beside him, he finally realized where the changes were coming from. Less than half an hour after he dug out the hole, some whisker-like roots on the rhizomes of the sweet potatoes had already emerged from the surrounding soil, but the empty hole did not give them a chance to continue to spread, they could only stay on the wall of the cave next to the invincible, and then in front of his eyes, they occupied the blank soil that had just been blasted out by the energy more and more quickly.

Invincible shook his head.

This speed is inevitably too amazing, the growth rate is actually visible to the naked eye, and if you change to the original Blue Star, this potato is estimated to be regarded as a mutant plant.

What exactly is such a plant afraid of?

Invincible thought about it, and came up with the simplest and most direct answer - they are afraid of cold.

Since they can't grow in the cold outside the valley, they must be afraid of the cold, so they can only reproduce quickly in the humid and warm hot spring valleys, and they can't cross the valley where the cold wind blows, and the closer they get to the valley where the temperature is lower, the more sparse the vines on the ground become, until there is a blank space in front of the valley.

Maybe it's not too difficult to solve, Invincible couldn't help but laugh when he thought about it.

Nothing is lacking in the wind and snow tundra, but there is no shortage of cold.

He flew to his feet, and in a moment he ascended to the top of the mountain, and then brushed away the soft snow on the summit ground, revealing a thick layer of ice.

The top of this mountain bears the cold wind blowing from the outside day and night, even in the middle of summer, the 10,000-year-old ice on the top of the mountain will never melt, and on this mountaintop, under the floating snow, there is a huge layer of ice up to several meters thick, as if it is the frozen armor of this mountain.

The invincible hand's golden energy was as light as a knife, crisscrossing and gently slashing across the layer of frozen armor, and several pieces of ice weighing several tons were taken out of the mountain.

Invincible put all these ice cubes into the Seven Degrees Gold Ring, and then flew directly down from the top of the mountain.

Looking at the cave, Invincible casually threw a few huge ice cubes into it, and a corner of the originally warm hot spring valley suddenly appeared with white mist, and the range of the mist was gradually expanding, and the temperature of the white mist was several degrees lower than other places.

Invincible couldn't help but chuckle as he looked at the slowly melting giant ice cube: this thing was equivalent to a simple air conditioner, and the temperature in this corner would get colder and colder before the ice cube melted, especially in that hole in the ground.

It will take a while to find a boulder not far from the cave, clean up the vines on it in a few clicks, and sit down on it, waiting for the results of the test.

Half an hour later, Invincible put the huge ice cube into the ring, jumped into the hole, carefully observed the roots that had just been covered on the cave wall, and immediately he was pleasantly surprised to find that those roots not only did not continue to grow, but shrunk. Obviously, the growth rate of these sweet potatoes has been greatly affected by the cold air emitted by the giant ice cubes.

The characteristics of living things are at least not beyond the imagination of invincible, and the adaptation of tropical plants to cold weather is indeed obvious. This is the same as the cold tolerance of the Aojin people, the same resistance to the outside temperature, but also divided into high temperature or low temperature, obviously the growth rate of the tropical plant is based on the humid and hot environment will appear, once the cold, their almost crazy growth process is restricted.

Invincible looked at it for a moment, then sat back on the boulder again.

He wanted to see if the growth of sweet potatoes would return to their usual rate after this low temperature.

At this time, the temperature in the cave without the giant ice cube to cool down was slightly higher than just now, but it was only a little more than ten degrees, which was roughly the temperature before the autumn of the wind and snow tundra. After waiting quietly for half an hour, Invincible went down to the cave again, and the temperature of the hole had basically returned to normal, but the roots of those sweet potatoes shriveled and dried up piece by piece, and when they pulled it lightly, they made a crisp sound, just as brittle and easy to break as dried wood.

Invincible laughed dumbly.

It turned out that it was so simple to deal with this crazy sweet potato, but the crazy vitality was finally limited by the terrain and did not become difficult to control. Nature is the most irresistible dominance of this plant, but his mind suddenly shifts to another place.

Beamon Empire, where are you going to plant these terrible potatoes?!