translation.en: If the soil doesn't have the capacity to hold water, we will mix some more biomass -- some water-absorbent material like peat or bagasse, so soil can hold this water and it stays moist.
translation.zh: 如果土壤不能够涵养水分 我们就会再多加一点生物质 一些像泥炭或者米粒 这样的吸水物质 让土壤能够涵养水分，保持潮湿