This rice hybridization technique is publicly available in the 21st century, and data can be called up in the laboratory.

But in today's Qin State, it is properly high-tech.

Qin Huangzai carefully stared at the 'hybrid rice' offered by the prince for a while, and nodded with satisfaction: "It is indeed fuller, more strong, if it can really increase the yield by five times, no, not five times, as long as it can reach ......

Chapter 20 of "The Prince of the Great Qin Town" Qi Envoy is in the middle of the hand, please wait a moment,

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