Lu Zhiwei, the youngest reserve academician of the Academy of Agricultural Sciences, woke up and transformed into a five-year-old little cub waiting to be fed in an ancient farmhouse. Good news: She's alive. Bad news: The family is poor, the parents are cowardly, and there are three younger siblings waiting to be fed. More people, less land, and less food. Looking at the porridge with figures reflected in the bowl, Lu Zhiwei shed the tears of a top student. Expecting a fairy emperor? No. Count on the cheat system? Even less. Lu Zhiwei slapped her thigh, that's it, it's better to rely on yourself than relying on heaven and earth! Isn't it just starting agriculture from scratch? Professional counterpart! While the people in the village were still relying on the sky for food, Lu Zhiwei had already started to instruct her parents to engage in intensive farming: "Dad, our land is too thin, so we have to plant soybeans to nourish the soil. This is called nitrogen cycle!" "Mom, retting fertilizer cannot be piled directly, it must be fermented in layers, otherwise the seedlings will be burned!" "Second brother, go dig humus in the mountains! Third sister, catch earthworms! This is a living scarifier!" Villager A: Is the eldest girl of the Lu family stupid because of studying? Villager B: Leave the good land to plant beans instead of food, and we will cry for the autumn harvest! However, during the autumn harvest season, when everyone was still worried about the reduced food production, the Lu family not only had a bumper harvest of beans, but also planted late rice on the fattened land, doubling the output! The whole village was shocked! Later - the Lu family relied on greenhouse vegetables to achieve "green vegetable freedom" in winter; the high-yielding rice cultivated by the Lu family was personally visited by the county magistrate to ask for seeds; the soy sauce and rice vinegar produced by the Lu family's small workshop became popular throughout the city... Seeing that the brothers and sisters were raised to be white and fat,