The five heads of the family were a little stunned by Wu Yong's words.

Wu Yong was worried that they would misunderstand, and continued to explain: "These vegetables are not grown separately, but are planted in the trench with intercropping. ”

He learned through the memory of the original body that at this time, a farmer owned at least one hectare of land, and there were few ploughing cattle, not to mention other advanced agricultural tools, so the crops were planted relatively extensively, and there was no intensive cultivation, so they first raised high ridges, and then planted crops on the ridges, so that they could drain water in time during the rainy season and prevent crops from being eroded by natural disasters, so as to achieve the purpose of increasing crop yields.

This will lead to a very low utilization rate of the land, but the advantage is that the ridges of the ground can be turned up every year, and the fertility of the land can be maintained year after year.

Therefore, Wu Yong's 'interplanting' was questioned as soon as it was proposed.

"The virtuous nephew knows that this vegetable needs a lot of water and fertility, and interplanting vegetables will inevitably rob the water and fertility of grain crops, and even if the grain harvest is not extinct, the yield will be greatly reduced."

"And these vegetables are the most susceptible to insect infestations, if they are not removed in time, resulting in the spread of pests, this year's grain production will be extinct."

"But these are secondary, the most important thing is that these vegetables are perishable and spoiled, so how can we ensure that the vegetables we grow can be sold after harvesting. In the past, many people took it for granted that they planted vegetables, but they all lost a lot. ”

Of course, Wu Yong couldn't say that he had a systematic simulation of planting, glanced around, and got closer to the five family heads, so he whispered in a voice that only a few people could hear: "Don't hide it from all the uncles, the kid has learned the method of replenishing land fertility and controlling pests in the realm of Taixu. ”

The five of them immediately stared at Wu Yong with a strange gaze, as if they wanted to see him through and see if he was telling the truth.

You must know that in this era, people rely on the sky for food, and a natural disaster will cause a large number of people to die. In the case of farming, when there is no way to replenish the fertility of the land, people usually use rotational planting, and at least half of the land they own is left unused for the next year.

If there is a way to replenish the fertility of the land, it means that the same land can be harvested at least twice as much. If the operation is done properly, one acre of oneself will be on the field and ten acres will be replaced by ten acres of land, and the benefits of this, even if it is the emperor, it is estimated that he will be red-eyed.

As for pest control, compared with supplementing land fertility, some are the icing on the cake, and if they are not, they will not harm the overall situation.

Wu Yong wanted to say something, but as soon as he opened his mouth, he was interrupted by Li Huang, "I heard that your grandmother's condition is just right, and she is here today, so you have to visit her, you are leading the way in front." ”

then explained the reason to Zhuo Liang, signaling that he didn't need to follow him and went about his own business.

Zhuo Liang asked Wu Yong to entertain the five family heads well, and left.

Wu Yong naturally agreed, several heads of the family went to his house to visit his grandmother, how could they be meaningful, they couldn't go empty-handed, and their identities were not allowed. Now he is short of money, everything in the system needs financial support, since the iron pot is so precious, he plans to go back in a while, and buy the remaining nine pots.

Although he got a few jade pendants and some gold jewelry today, the system can only recycle gold jewelry, and the price is one penny of gold, which is a bit of a pit, a gold leaf, there must be more than one penny of gold, so he plans to give some gold jewelry to his grandmother and mother, and leave two more jewelry for He Lian and Cheng Zhao respectively.

Thinking about things in his heart, he unconsciously arrived at the door of his house, and the moment he entered the door, he involuntarily opened his mouth and shouted: "Sister Xiaozhao, I'm back." ”

I only heard a stirring from the kitchen, and then Cheng Zhao's surprised face appeared, and behind her there were He Lian and her two younger sisters.

A few girls walked a few steps to Wu Yong's side, and took off the cloth bag on his body with all hands and feet, only to find the people following behind him.

Wu Yong saw the embarrassment of several people, and whispered: "These are the heads of the five surnames in our Fuwangli, who came to visit grandmother, can grandmother be in the house?" ”

As he spoke, Guo Shi, who was wearing an apron, leaned out of the kitchen, and immediately saw the five family heads behind Wu Yong, hurriedly patted the flour on his body, walked quickly to him, and curtsied: "A few family heads are coming to the cold house, it's not an honor, please come to the house and sit." ”

On the way, he found out the purpose of several family heads with Wu Yong, and when a few people came to the hall and sat down, Guo confessed and got up to go to the east house to ask his aunt to come out.

As soon as Guo left, several heads of the family couldn't wait to ask Wu Yong about increasing the fertility of the land.

Wu Yong thought for a while, organized his words, and asked tentatively, "Have a few uncles ever heard of farm fertilizer?" ”

Several people looked at each other, not sure, "The virtuous nephew is talking about the dung of domestic animals?" ”

Seeing Wu Yong nodding, several people shook their heads in disapproval.

"The virtuous nephew knows that it is not uncommon to use animal manure as a way to supplement the fertility of the land, but when it is found that the manure is on the ground, the seedlings of the crops will soon die."

"Not only in the seedling stage, but also in the seed germination."

"Not only that, some of them have set head, but they are still dead."

Wu Yong understood their worries, and at the same time understood them very well.

After these livestock manure is directly applied to the soil without treatment, once the weather is hot, the microorganisms begin to be active, and the raw manure ferments, these organic substances consume a lot of oxygen in the soil during the decomposition process, so that the soil is temporarily in a state of hypoxia, if it is close to the plant root system or the plant is smaller, not only the heat generated by fermentation will affect the growth of crops, but also in this anoxic state, the crop roots can not grow normally, and in severe cases, it will lead to plant death.

At that moment, Wu Yong explained to several people why the raw manure on the ground would cause the death of crops, and at the same time described the correct way to dispose of these livestock manure.

"Digging a pit for fermentation? Mix and stir with stove ash? Is it really okay to do this? ”

In the face of doubts, Wu Yong didn't say anything, only said that the people in the Void Realm in their dreams did this. In the end, I was forced to ask no choice, so I had to say: "If a few uncles don't believe it, I just want to plant some vegetable seeds, and I'll know when I try it." ”

When a few people heard it, they were also reasonable. The topic also shifted to praising Wu Yong.

"If this method is feasible, the grain output of my Han will definitely be doubled, how many poor people can be saved, and the virtuous nephew will be the reborn parents of our Han and Li people in the future."

"Who says it's not, over the years, these livestock manure is also a problem, cow manure can be used as a fire, but these chicken manure, pig manure, etc. are not so easy to deal with, many townships and counties are looking for a place to pile up, like you look at the small distance there is a big dung heap."

Hearing this, Wu Yong's heart moved, and he asked tentatively: "My nephew has an idea, can I buy these dung heaps near Wancheng at a low price?" Sell it at a high price later? ”

Wu Yong saw that the five of them exchanged opinions with their eyes, and then Li Huang opened his mouth and made a conclusion.

"This matter is not appropriate, a gentleman loves money, and he takes it in a proper way, and he does not have ill-gotten wealth. Although this can be profitable, it has damaged the reputation of the five of them, and I cannot do it. ”

Seeing the wealth in his hand slipping away like this, some people inevitably sighed: "These dung heaps are all accumulated by the people for many years without their knowledge, and the people will know the benefits of the dung heap in the future, and it will not be easy to encounter them again." ”

"Yes, everyone knows, the matter of fertile fields will be difficult to handle, and how many livestock ordinary people can have, even if they are rich and powerful, it is unlikely that they will have enough fertile fields."

Wu Yong said with a smile: "A few uncles, don't forget, because of the small number of livestock, it is difficult for them to collect manure, but I am a big man, and the largest is the population." ”

Several people's minds turned sharply, thinking about the feasibility of this matter, the manure of livestock can fertilize the field, and the excrement of that person can naturally be also. However, someone still couldn't help but ask:

"What do pigs and dogs eat?"