According to statistics, the world's land area is about 162 million square kilometers, accounting for 30.3% of the total area of ​​the earth, but about one-third of it, that is, 48 ​​million square kilometers, are arid and semi-arid desert areas, and are rapidly expanding at a rate of 60,000 square kilometers per year.

The desert area has accounted for 20% of the total land area, and 43% of the land is facing the threat of desertification.

It can be said that the desert is one of the most serious crises facing mankind, just like the scars on the earth that are difficult to heal.

It is difficult to control the desert, at least for now, it is difficult.

At present, there are no practical and mature technologies for desert control in countries around the world. Some experts in this regard think they can respond, while others think they cannot reply.

When controlling deserts, it is either sand advances and people retreat or people advance or sand retreats. It is repeated over and over again, and it is difficult to make progress.

However, through some information on the light brain, the desert problem has become one of the most serious crises affecting human survival in the next 100 years, and is even more serious than the global temperature becoming warmer and global pollution.

Why?

Because in the next 100 years, there will be no major wars, disasters, plagues, and population growth rapidly, but the land is limited, and with desertification expanding by more than 60,000 square kilometers per year, there are fewer and fewer places for humans to survive.

Therefore, desertification has risen to one of the crises that concern human survival, and it is urgent to control the desert.

However, for the next 100 years, humans have not had an effective way to control the desert.

Until, a spacecraft discovered a plant on a planet with signs of lower life.

This plant is very special and can grow on the surface of a planet equivalent to a desert environment, which is already surprising.

So, the astronaut brought back some seeds and samples of the plants.

Leave it to some botanists from the Academy of Human Sciences for research.

After research, it was discovered that this plant, like the plants on Earth, also needs water and sunlight.

However, because this plant grows on the extremely lack of planetary surfaces similar to the desert environment, various favorable genes that are very suitable for arid environments have evolved.

First, his rhizomes are very long and have very developed root systems, and can penetrate deep into the surface.

2. Have meaty stems and strong water storage capacity.

Third, the leaves can be freely shrunk and rolled up. When the sun shines directly during the day, the leaves are conditioned and rolled up. It reduces water evaporation. At night, when it is cold, the leaves stretch out and can absorb free water in the air and store them in the fleshy stems through the leaves.

Fourth, this kind of tree is like many trees on the earth. After planting a mother tree, child trees can be bred through rhizomes. After a few years, an oasis can be formed in the desert. Therefore, this desert tree is also called a mother and child tree.

The fifth, most special thing is that some fruits can be born on the mother-child tree. Because the temperature difference between day and night in the desert area is large, it can effectively store sugar, which is very sweet, just like the cantaloupe melon in Turpan, Xinjiang.

More than 100 years later, this fruit is a very high-end fruit. The fruit produced by the mother tree is very rare. It tastes the sweetest and is designated as a grade A mother and child fruit. It can be sold for thousands of yuan per catty and is very rare every year. It is specially used for top restaurants, venues and wealthy people. Ordinary people do not have this kind of blessing.

The seeds produce more fruits, and the taste is not as sweet as the fruits of the mother tree. They are designated as B-class mother and child fruits, and are supplied to supermarkets and fruit markets. They also have to be sold for 5,60 yuan per catty. As a very high-end fruit, ordinary people can taste it occasionally.

There is another characteristic of mother and child trees. Watering and fertilizing are also easy to water and fertilize, because the desert oasis consisting of a mother tree and a sub-tree. When watering and fertilizing, only watering the mother trees can be done. The mother trees transfer nutrients and water to each sub-tree through the root system.

Chen Dong checked the mandatory tasks that appeared after the level of the optical brain system was upgraded to level 5.

Controlling deserts: Deserts are one of the major crises related to human survival. Deserts are like scars on the earth. These scars expand at a rate of more than 60,000 square kilometers every year. Controlling deserts is an urgent task for humans.

Mission requirements: Control the desert.

Mission reward: an oasis + 10 points.

You are the green guard of the earth!

Close the Force Task Panel.

Open the built-in space chip of the optical brain to view the new things in the warehouse.

A bag of mother tree seeds, 1 point is exchanged for one.

There are also some solutions in glass bottles, dark blue, and the name of the solution was checked, and the R-type solution.

1 point can be exchanged for one mother tree seed.

Chen Dong checked the points, and the points were still 218 points.

Chen Dong clicked the redemption button and entered the quantity, 100.

Chen Dong exchanged the seeds of the mother-child tree and asked Xiao Lan, the light brain assistant, "How to use these mother-child tree seeds? Can they be planted directly into the desert?"

Xiaolan replied, "Master, you must first cultivate the seeds of the mother-child tree into saplings, and then carry them to the desert. The desert is the most semi-arid and not yet desertified, which is more beneficial to the growth of the mother-child tree."

Another point, I must remind the owner that if the owner does not want the second generation of seeds to cultivate the next generation of mother trees, it is recommended that you exchange it for some R-type solution and put the seeds in and soak them. Otherwise, after eating the fruit, others can cultivate the seeds like you.

Chen Dong checks the R-type solution and redeems a bottle of 12 points.

Chen Dong asked Xiaolan, ‘How much dosage of solution is required for 100 seeds.”

"2 drops, add 0.5 liters of water."

"Can you exchange 2 drops?"

"No, at least one bottle must be exchanged."

"Oh well."

Chen Dong exchanged 1 bottle of R-type solution.

Chen Dong plans to cultivate seedlings in the lawn area of ​​the villa, where there is plenty of sunshine and dew.

Chen Dong plans to soak 95 seeds in the R-type solution, leave 5 seeds, and do not soak them, and make seeds.

Do it as you say it.

Chen Dong first called the flower and wood pot planting shop to order more than 100 pottery pots, and explained that he would add flower and wood cultivation soil, and ordered more than a dozen for backup.

Then, I took a washbasin, followed Xiaolan's instructions, first add half a liter of water to the washbasin, and then drip 2 drops of R-type solution.

Leave 5 seeds, soak the remaining 95 seeds in the washbasin and soak them. According to Xiaolan's instructions, the seeds should be soaked for 1 hour.

After waiting for more than an hour.
Chapter completed!