Principle 2: Allow seeds to self sow Don't plant commercially grown seeds, which are cultivated using fertilizers and pesticides. And allow seeds naturally to fall the ground after the fruit or seedpods mature.
原則 2：自家採種不用商業開發、並和商用肥料和農藥配套使用的種子，而是直接讓自家的種子飽熟自然落地，讓每戶農家的種子皆有差異，以增加生物多樣性。