Hearing Yu Wenwen's malicious question, Yang Ji sighed in his heart and secretly said that it was not good, he couldn't go, and he couldn't hide for a while, so he could only bite the bullet and say a little bit about it.

Yuwen Wen saw that Yang Ji knew him so well, and directly told him a major 'discovery' today: after the autumn harvest, both the official field and the farmland were idle. He had been busy training troops to fight before, and it was not until he came to Guantian now that he found out about this situation.

"Envoy, it's normal for rice to grow once a year at this time." Yang Ji replied, the person on the other side seemed to know everything, but agriculture was almost white, which made him quite 'proud', "If you want to grow twice a year, you will get the Song Dynasty." ”

"The official knows, but he thinks it's too wasteful, and he can't find rice seeds that can be cropped twice a year."

"What do you mean?"

"We have to find a way to increase production." Yuwen Wen's face was solemn.

Rice is divided into early, middle and late, early rice is generally harvested in June and July, and the rest is in August and September, but in any case, most of the rice planted in Jiangnan in this era is one season of rice, that is, one crop a year.

In this way, the problem comes, after the autumn harvest, the farmland will be idle, of course, it is also a good time to recruit farmers to fight, but Yu Wenwen doesn't think so, he thinks that it is okay to fight a general war with professional full-time soldiers, and farmers are better to have a variety of land, and idle farmland is a waste.

Seeing the empty farmland, he was depressed: Is there any mistake, there is little land, you still left me idle for a few months, in order to find a way to hoard food to raise soldiers, I have lost my hair and lost my soul!

Yuwenwen wants to use all the resources that can be used, farmland is such a precious resource naturally cannot be wasted, it is not without rice seeds that can be harvested twice or even three times a year, the famous Champong rice is one of them, but he can't get it for the time being.

The large-scale promotion of Champa rice in the Central Plains was in the Song Dynasty, of course, it does not mean that this kind of rice will not be available in Champa until the Song Dynasty, so it is possible to get it in this era, but the key is a matter of time.

Zhancheng is far away in Southeast Asia, that is, south of Cochin, about the Rinan County of Chen State can be reached, although it is okay to let unprofitable merchants who can't afford to get it early, but who knows that it will be the Year of the Monkey and the month of the horse when you get it, not to mention being deceived by people with copycat goods, everything is possible.

There should be a local rice seed that crops twice a year in the Lingnan area, but Yu Wenwen is not an expert in agronomy, so instead of going all over the mountains and rivers to find this kind of rice, it is better to directly occupy the city rice.

Rice seeds can't be solved in a short time, so it becomes inevitable to make a fuss on the land, and there is a good saying, "If you can't change your girlfriend, then change your posture."

In today's era, there is a saying about crops called "southern rice and northern millet", of course, the cultivation of wheat has also begun to spread, the wheat planting area in the north is expanding, and a few places in the south have begun to plant, Yuwenwen hit the idea of wheat.

"Doesn't the envoy want to rotate rice and wheat?" Yang Ji asked, the lord in front of him who was really unwilling to toss and unwilling, and he really did everything to increase production.

Rice-wheat rotation is generally believed to have arisen in the Tang Dynasty, and after the popularization of the two Song Dynasty, especially after the Southern Song Dynasty developed the Jiangnan Basin, rice-wheat rotation became a common phenomenon.

It sounds very simple, but it is a bit troublesome to do, because most of the rice planted in the south is watery, rice naturally grows in paddy fields, and wheat is a dryland crop, and this problem must be solved if you want to achieve rice-wheat rotation.

After the rice harvest in autumn, the paddy fields are drained into dry fields, and then winter wheat is planted quickly, and when the wheat is harvested in the spring of the following year, the water is quickly stored and turned into paddy fields, and then rice is planted immediately until the autumn harvest, and the cycle is repeated.

In this way, the harvest of the same piece of land has increased significantly, Yuwen Wen thought about it, and felt that only in this way could the problem of idle farmland be solved, and then Yang Ji directly poured a basin of cold water: I am afraid that it will not work if it is implemented in a hurry.

Seeing Yu Wenwen asking the reason, Yang Ji said them one by one:

Rice-wheat rotation, the key to the smooth connection between the harvest and sowing of the two crops, especially after the autumn harvest and then planting wheat is very short, which will increase the amount of labor, plus the paddy field drainage becomes a dry field, which is a great test of the drainage capacity of the drainage ditch.

Paddy field drainage, how long it will take to be suitable for planting wheat, no one knows this, so we have to explore, what to do if the wheat grows badly when the time is short, and what to do if the sowing is delayed for a long time.

In the spring, the wheat has to be harvested and then planted with rice, and it has to be tossed again, and the dry field has to be turned into a paddy field, and if the improper operation leads to the impact on the rice harvest of the year, it will be more than worth the loss.

Of course, the peasants are very welcome to be able to increase production, and it does not matter if they are tired, but in this way, they are busy with agriculture for most of the year, and the state government will inevitably be limited by the time limit for conscription and military service.

Another point is that, according to the laws of various countries today, the annual rent adjustment is only levied once after the autumn harvest, and the income from planting winter wheat does not need to be paid.

"Envoy, the top priority is to popularize the rice transplanting method, if the people are not familiar with the rice transplanting method, and come to a rice and wheat rotation, once the middle is not connected, I am afraid that the harvest will fail."

"What if it's tried in Guantian?" Yu Wenwen asked, but then he vetoed his own idea, now that the autumn harvest has passed, if you want to plant wheat, you have to drain the paddy fields, and if you don't prepare enough wheat seeds, it is impossible to implement it this year.

"Make a gentleman, if you are greedy and chew more, you should give priority to popularizing the rice planting method." Yang Ji persuaded that in the spring of next year, the Bazhou territory should popularize the rice planting method, and officials from other states should come to study, as the so-called one heart cannot be used for two purposes, he thinks it is better to be prepared, and it is better to try the rice-wheat rotation next autumn.

"Okay, leave a year to plan well, and strive to be able to try it out after next fall." Yu Wenwen nodded, grain production is very important, and the top priority is to repair the water conservancy first, so that the north bank of the Santai River will not be affected by floods, and increase the area of land that can be cultivated.

The grain yield of newly cultivated farmland is certainly not high, and it will take a few years to reach the ordinary level, and during this time, it will have to be intensively cultivated, and it is not possible to double the output of the farmland as soon as it wakes up.

"What the envoy said earlier was that he would go to the New World that Na Xiyi said to look for corn, sweet potatoes, and potatoes, is this true?" Yang Ji asked again, he came from the late Ming Dynasty, and knew that Xiyi had found a new continent in the far east of the East China Sea, and there were many magical crops like corn on it.

Corn, sweet potatoes, and potatoes began to be popularized and planted at the end of the Ming Dynasty, but natural and man-made disasters failed to play a role as soon as possible.

Yang Ji has always felt that if the imperial court can promote the cultivation of these crops as soon as possible, he will definitely be able to survive in the Chongzhen period, and if it were not for internal and external difficulties, His Majesty would not have died in Coal Mountain.

"Here again, here again, I'm clear" Yu Wenwen was speechless, the court in front of him was not the current court, and His Majesty was not the current Majesty, but what he said before was to find peppers, corn, sweet potatoes, and potatoes, this is not exactly a joke.

The popularization of corn, sweet potatoes and potatoes is the reason for the substantial increase in population in the late Ming and early Qing dynasties, and the advantages of these crops are high yield, low requirements for cultivated land, and can greatly increase land utilization.

However, the calories of these crops are not high, only half or even one-third of the same weight of rice, which means that in order to maintain the basic caloric needs of the human body, the consumption of corn, sweet potatoes and potatoes is significantly more than that of rice.

Therefore, the corn, sweet potato, and potato that are known as the artifact of traversing, their biggest role is to save the famine, they do not need complete land, even scattered and broken land, slope land can be planted, the unit calorie is not high but the amount is large, so that the hungry people can fill their stomachs.

In the Qing Dynasty, corn planting was promoted, and many mountain forests were cut down and turned into sloping farmland, and a large number of corn planted led to increased soil erosion.

Therefore, if you want to farm and increase income, you have to rely on rice, and now the development degree of the two lakes area is not high, as long as you can build water conservancy, control schistosomiasis, and turn wasteland into fertile land, the rice produced is enough to feed the people of the world in this era.

"The lake is ripe, the world is full", this is a matter after the Song Dynasty, and the Huguang area is still in the initial stage of development.

Yuwen Wen is not interested in corn, sweet potatoes, and potatoes in the Americas, and it is the king to repair water conservancy and open up wasteland to grow rice, and what he is most entangled with is chili peppers, which are native to Central America, and were not introduced to the Central Plains until the middle and late Ming Dynasty, but this thing is really a good thing.

No foodie empire is complete without chili peppers, let alone the spicy strips that have swept countless people! (To be continued.) )