Fertility is spiritual energy, and lack of fertility is lack of spiritual energy. Supplementing it with spiritual energy is the solution. Therefore, the fertilizers of the Primordial World were treasures containing dense spiritual energy.
There were many such treasures, and Jiang Yuan had some readily available, such as Living Soil. A single grain of Living Soil, when added, could immediately restore the spiritual energy in the land to normal levels.
However, Jiang Yuan pondered for a moment and did not do so. Instead, he chose to grind the bones of Fierce Beasts into powder and scatter it on the fields as fertilizer to supplement the spiritual energy.
While Living Soil was excellent, not everyone possessed it. Fierce Beast bones, on the other hand, were different. Although the spiritual energy they contained was not as potent as Living Soil, with some effort, anyone could obtain them.
Once the Grain was cultivated, Jiang Yuan intended to popularize it throughout the world. And as the Grain was cultivated on a large scale, the problem of insufficient land spiritual energy would inevitably arise.
Crop rotation could solve the problem, but it was only a temporary fix, not a fundamental solution.
Since Jiang Yuan had thought of this, he might as well go all the way and research fertilizer as well, completely solving the problem of insufficient land spiritual energy.
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The spiritual energy contained in Fierce Beast bones was not much, but if a large amount was used, it would be enough to support the Grain for one harvest. And that was sufficient.
It would be a bit more troublesome in the future, requiring application for each harvest. But compared to the yield, this trouble was nothing.
After solving the problem of insufficient land spiritual energy, Jiang Yuan continued his experiments, but after only a few attempts, new problems emerged.
And this new problem was even more serious. As the next batch of Foxtail Grass matured, Jiang Yuan discovered during his inspection that besides spiritual energy, a faint trace of Sha Qi had appeared in its fruits.
Although this Sha Qi was not much, it was a bad omen. If it could not be resolved, with each subsequent cultivation, this Sha Qi would inevitably increase, leading to the complete failure of the entire experiment.
Grain carrying Sha Qi, even if cultivated, would be meaningless.
"It's caused by the Fierce Beast bone powder!"
How could Sha Qi appear out of nowhere? Jiang Yuan merely closed his eyes and thought, and he guessed the reason. It must have originated from the Fierce Beast bone powder.
Because in the entire experiment, the only thing carrying Sha Qi was this substance.
"Could it be that Fierce Beast bone powder is truly unsuitable as fertilizer?"
Jiang Yuan frowned. It wasn't that he insisted on using Fierce Beast bone powder as fertilizer, but only by choosing this substance could he obtain merit. Other treasures would be equally effective, but they would yield no merit.
Using Fierce Beast bone powder as fertilizer not only increased the value of Fierce Beasts but also created demand for cultivators, forcing them to be more diligent in slaughtering Fierce Beasts.
In this way, it served to suppress the Fierce Beasts, and naturally, merit could be obtained.
Could other treasures offer such benefits? Therefore, as long as there was a possibility, Jiang Yuan was unwilling to give up using Fierce Beast bone powder as fertilizer.
"Remove the Sha Qi before grinding?"
Glancing at the Sha Qi-shrouded Fierce Beast bones before him, Jiang Yuan mused. Since Sha Qi was the root of all problems, wouldn't removing it beforehand solve the issue?
This line of thinking was correct, but it led to a new problem.
That is, it was not difficult to remove the Sha Qi from the Fierce Beast bones; boiling them with water and spices would suffice. However, this method could only remove ninety percent of the Sha Qi, and the remaining ten percent could not be removed and required another method.
But using another method would increase the cost. This additional cost was completely unnecessary. Rather than painstakingly removing the Sha Qi, it would be better to switch to other treasures, saving time and effort.
Simply put, using Fierce Beast bone powder as fertilizer was entirely Jiang Yuan's wishful thinking.
It not only had no advantages but was also highly replaceable. One could easily find a large number of spiritual items that could substitute it.
Such fertilizer, even if Jiang Yuan promoted it with all his might, would be difficult to have any effect, and no one would be willing to accept it.
"I was thinking too simply. For now, I can only place my hopes on the Creation Jade Disk."
Seeing that he could not come up with any good solutions, Jiang Yuan took a deep breath and chose to cheat.
Creation Jade Disk, give me a boost!
As his thought fell, the merit within his body immediately burned, transforming into a vast power that poured into the Creation Jade Disk, causing it to rapidly revive.
The next moment, Jiang Yuan entered the Daluo Perspective once more. His gaze seemed to pierce through the river of time, discerning various futures.
It wasn't just seeming; he truly discerned the future. From the countless possibilities, he found the solution.
Merit!
By cultivating the Foxtail Grass with merit, it could transform into Profound Yellow Grain. In this way, there would be no need to worry about Sha Qi erosion. Because even Sha Qi could be absorbed by the Profound Yellow Grain, becoming its nourishment.
And the purification of Sha Qi was itself an act of merit. The more Sha Qi was purified, the more merit would be obtained.
The Profound Yellow Grain's ability to absorb Sha Qi meant it was purifying Sha Qi. Therefore, it was not an ordinary crop but a merit crop.
Feeding it with Sha Qi meant that the fruits it bore would not only contain pure spiritual energy but also a trace of Profound Yellow Merit.
What is merit? It is the primordial power that the world yearns for.
This point alone was enough. Jiang Yuan would not need to promote it; people would spontaneously use Fierce Beast bone powder as fertilizer to make the fruits of the Profound Yellow Grain carry merit.
Because apart from the Wu Clan and Demonic Cultivators, Fierce Beasts had the most Sha Qi.
"Hiss, is this the power of Daluo? To discern the future, eliminate all possibilities of failure, and directly obtain the correct answer."
"This..."
Jiang Yuan could not hide his excitement. It was indeed satisfying to directly copy the answers.
With the correct answer in hand, the rest was simple: just follow it. The Fierce Beast bone powder should not be stopped, but an equal amount of merit should be added.
By continuing to cultivate in this manner, once the Foxtail Grass seeds fully adapted to the power of merit and integrated it into their origin, passing it down through generations.
It would then naturally undergo a transformation, evolving into the meritorious crop, Profound Yellow Grain.
This process took a full hundred years. Fortunately, Jiang Yuan possessed enough merit, otherwise, he would never have been able to sustain it. Even so, the merit he had accumulated over several centuries was nearly bottomed out.
Originally, he could have relied on this merit to attain the Creation Heavenly Immortal Dao Fruit, but now, that was out of the question.
However, it was fortunate that during these hundred years, Mu Jiao and the Xuanshan Clan had collected quite a bit of Nine Sons' Essence Blood for him, which had already helped him condense the Nine Sons Incarnation.
At this moment, Jiang Yuan was only one step away from attaining the Creation Heavenly Immortal Dao Fruit: merging the Nine Sons Incarnation into one.
There was no rush for that; cultivating the Profound Yellow Grain was more important.
After a hundred years of painstaking cultivation, pouring in vast amounts of merit, and conducting countless experiments, it had not disappointed Jiang Yuan—the Profound Yellow Grain was a success.
Its grains were plump and round, a profound yellow color, and about one-third the size of a rice grain. Each stalk yielded approximately three thousand six hundred grains, which could be considered quite substantial.
Profound Yellow Grain, as the name implied, did not contain innate spiritual energy within its fruit, but rather the higher-quality Profound Yellow Qi.
This was the primordial energy of heaven and earth, second only to Profound Yellow Merit, and it was useful even to those in the Quasi-Saint Realm.
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