Chương 957: On the move (2)

"Soil…what? What do you mean by soilless vegetables? How can vegetables grow without soil?" Han Yijin had never heard about such a method. He was sure that his teacher told him that soil needed to be fertile only then would the farmers be able to grow vegetables. 

His father also said the same thing. Han Yijin never heard about any vegetables that could be grown without soil! 

Su Wan smirked upon hearing his question, she arched a brow and then replied, "Why do you think that I was pressing the term of this method to be never known to others? It's because of this reason. This kind of farming has never been known to others and it's all because of my trial and error that I have come up with this technique."

"If this technique is known to others, then what would happen to all the hard work that I have poured into developing it?"