"I can produce all kinds of high-yield seeds. Ask the national treasury to buy all the seed shops in Da Ling at a high price. In the future, we will be the main hub that distributes the seeds to the seed shops in all parts of the country for the people to buy.
"No matter where I am, as long as there is a shop selling seeds nearby, I will produce a large number of seeds and put them in that shop. Then, that shop will distribute them to other shops for people to buy. They can pretend that they have good seeds that you had someone specially buy from others.
"Then, after repeated selection, they would become these better seeds. Wasn't that how the seeds in our seed shops came about? The national treasury was offering a high price to buy it. Those who have seeds to sell will be willing to sell them.