The condition for the release of the restriction of stimulation inhibition growth gene is to have sufficient external environmental stimulation, and now the external environmental stimulus found by Wang Yuan has only sufficient nutrition, as long as the plant itself detects that the external environment can provide it with sufficient nutrition, the inhibition of growth gene chain in the pasture will release part of the restrictions.

Since there is a substance that activates the gene chain, there is naturally a substance that locks the gene chain, and as long as it can be analyzed what kind of substance it is and exerts an influence on the gene chain, the entire growth process of the organism becomes controllable.

If you want him to speed up growth, then stimulate the growth gene to become abnormally active, at this time, the metabolism of the whole plant will be accelerated, and the speed of photosynthesis will also become faster, so that the plant will naturally grow fast, of course, there must be enough nutrition in the middle, otherwise the nutrition can not keep up, and the plant will cause internal disorders and rapid death.

If you want to limit plant reproduction, you need to stimulate the activity of the gene chain that inhibits reproduction, and as long as this gene chain becomes active, the plant seed will not germinate.

In this case, Wang Yuan easily discovered, generally encountering an unsuitable growth environment, the most active gene chain inside the seed is the inhibition of reproduction gene chain, as long as this gene chain is in an active state, the seed will not germinate, even if you soak him in water, he will not germinate.

Inhibiting the activity of the reproductive gene chain can only work by predicting the information provided by the gene chain, and there may be other gene chains, but Wang Yuan found several in a short period of time, and only one of them is determined to be a predictive gene chain that predicts the external environment.

This kind of problem involving the coordinated work of multiple gene chains is more troublesome to study, so Jin San simply ignores it, he wants to start with the growth gene chain, as long as the study understands the mechanism of providing energy to the plant, he can configure various nutrient solutions to control the changes of each gene chain in the plant.

The first thing Jin San needs to do is to analyze the various nutrients absorbed by the whole plant in the absorption process, and then determine what substances exert an effect on the gene chain in the plant.

If you want to analyze and configure the nutrient solution, the effect of Jin San's time ability is not very useful, and only when the nutrient solution is successfully configured and the plants are cultivated with it, his ability will have an effect, but in this way, it also saves Jin San a lot of time.

As long as he configures a nutrient solution, he can quickly know what it does to the plant, and under his strong spiritual power, he can detect the entire change in the plant's body.

Through research, Jinsan found that the seedlings grew well in a solution containing KNO3, NaCl, CaSO4 and Ca3(PO4)2, and in an aqueous solution that was completely deficient in these salts, the seedlings could not grow or decayed quickly.

Without one or two salts, the seedlings quickly stop growing or have some kind of defect such as new roots not developing, etc.

However, even in a solution with the above-mentioned salts, the new leaves do not turn green.

Plants also need other elements besides the elements already in the solution, so he added a small amount of ferric chloride solution to the solution, and sure enough, the white leaves turned green, and the plants needed iron, and when there was a lack of iron, chlorophyll could not be produced.

Subsequently, it was determined that seven elements, P, K, N, S, CA, FE, and MG, are necessary for plants, and these elements can be absorbed from the soil.

However, in addition to the above-mentioned elements of inorganic salts, the composition of the plant body contains a small amount of other elements, which are necessary for the plant, and are only things that accidentally enter the plant body with water, and may also help the growth of the plant.

In order to be able to accurately obtain the effect of various substances on plants, Jin San only has a little bit of continuous testing, at the beginning of his water culture, although the inorganic salts used are very pure, but in fact they all contain impurities, the distilled water used also contains impurities, and even the glassware used may have some elements dissolved in water.

Later, high-purity inorganic salts and distilled water were used, and hard glass or quartz containers were used for experiments, and it was successively proved that in addition to the above 7 elements, the growth of green plants also requires a very small amount of other elements, such as B, MN, CU, ZN, MO, etc.

Some elements are essential for the growth of higher plants, and without these elements, plants cannot grow and reproduce normally, and specific nutrient deficiencies will occur.

Plants have a large demand for 6 elements of N, K, P, S, MG and Ca, and C, H and O3 elements from CO2 and H2O are essential elements for the growth and development of all plants, and these elements are either components of biological macromolecules such as proteins and nucleic acids, or participate in the ion balance in cells.

Fe, B, Cu, Zn, Mn, Cl, Mo, etc. are also essential elements of plants, but they are required in very small amounts, and most of them are components of enzymes and coenzymes.

Continuous research, continuous failure, and finally Jin San found that such a study of plant nutrient solution is fundamentally wrong, such a little experiment, can not get a complete plant nutrient solution at all.

This time he didn't experiment with what was useful to plants, but by observing what substances plants absorbed in nature to grow, so as to gradually improve the formula of the nutrient solution in his hand.

The minerals in the soil, especially nitrogen, phosphorus, potassium, etc., are constantly absorbed by plants in large quantities and must be replenished to maintain the fertility of the soil, which is the purpose of fertilization.

Fertilizers are mainly divided into three categories: nitrogen fertilizer, phosphate fertilizer and potassium fertilizer, which are mixed in different proportions to form compound fertilizer.

Sometimes a small amount of other elements can also be added, manure mainly provides nitrogen, plant ash mainly provides potassium, and bone meal is phosphorus fertilizer.

Different fertilizers have different effects, and fertilization should be selective, for example, for cereal crops, more phosphorus fertilizer is needed to make the grains full; Applying more potassium fertilizer to potatoes, sweet potatoes, sugar beets, etc., can significantly increase yields.

In some areas, red blight is common in rice due to soil potassium deficiency, and plant ash should be applied to supplement potassium.

Ammonia is a fast-acting fertilizer, and when ammonia is applied, plants can directly use it to synthesize amino acids, instead of relying on reduced nitrate to obtain ammonia.

Trace elements, unless they are really necessary, generally do not need to be considered in fertilization.

In some areas, due to the lack of molybdenum in the soil and the lack of nitrogen-fixing bacteria, the soil nitrogen content is low and the plant development is very poor.

With a clear goal, Kinzo's experiments progressed quickly, and because he was able to observe the changes in the plant, he soon perfected a recipe for a plant nutrient solution.

Although this is not a complete formula, but the substances that other plants need, plants can take in from the air by themselves, and that Jin San directly gave up, and the plants can absorb that part of the nutrients from the air by themselves.

After getting a complete formula of plant nutrient solution, Jin San removed the soil, and directly used the nutrient solution formula configured by himself to cultivate pasture, through more than a dozen cultivations, Jin San made more than a dozen fine-tunings again, and so on the use of nutrient solution soilless cultivation, and the same as the grass that grows naturally in the outside world, this stage of the experiment is completed.

At this time, Jin San has only completed a small part of his thoughts, and it is the most basic part, and there is still a long way to go to stimulate and activate a certain part of the gene chain in the plant.

Some of the substances that plants absorb from the air have not yet been studied by Jin Shan, and when Jin Shan figured out how much substances plants absorb from the air, the four-eyed monkey came to his room again.

Looking at the room full of plants, the four-eyed monkey was speechless in surprise, he had not been here for three days, and so many plants had been added to this room, including tomatoes, pastures, watermelons, and even a wild jujube.

The plants were all soaked in water, but all of them grew luxuriantly, and all of them were held in the room with ropes, so that the whole room, which was not very large, was covered with ropes.

"Big boss, why are you putting so many plants here? Do you still have a place to sleep? ”

"Sleep? You boy, did I let you make a greenhouse? As you can see, my place is so small that if I don't have a greenhouse, I'll have to go outside and do experiments. ”

He didn't sleep for two days in a row, Jin San still supported it, and now it was the critical moment of the experiment, and he couldn't care about anything.

The four-eyed monkey was really surprised at this time: "You haven't slept for three days?" And there are such things, they can't all grow in the past three days, right? ”

The four-eyed monkey asked about these plants, and Jin San immediately said excitedly: "You really said it, these are the ones I cultivated in the past three days, how about it?" See what's so special? ”

Madman, this was the first thought of the four-eyed monkey, but he couldn't say, he took a serious look at Jin San, and found that there were no signs of mental illness, and then looked at the grass that was two meters tall and one centimeter in diameter, of course, it must have been grass grass, and whether it could still use this name now is a question worth studying.

It's not strange that the watermelon is planted in water, but how can the vines that fill the whole room explain?

At this time, many vines have produced small watermelons, all of which are the size of a ping-pong ball, and the small emerald green watermelons, with black patterns, look like jadeite, facing the sunlight coming in from the window, a little glassy, and it looks even better.

And the tomato, tied with a rope as thick as a thumb, should be called the tomato tree at this time, and the thick trunk, as thick as Chengren's arm, was covered with green tomatoes, and hung all over the tree.

And the sour jujube is normal, there are many that grow to two meters tall outside, so the two-meter-tall tree in the room is not unusual, but the strange thing is the sour jujube that grows on it, each of which has the size of an eyeball, and the sour jujube tree in the wild has not grown so big.

And the strangest thing is that the results of these things are not at the right time, and this is the strange thing about the four-eyed monkey.