And in some cases, in Cuba, Mexico and India, the dose can be reduced to 25 percent, and in several other cases, there's no need to add any phosphorus at all, because the mushrooms are so well adapted to finding phosphorus and drawing it from the soil.
在某些情况下，在古巴、墨西哥和印度 磷肥的投入可以降到25％，在几个其他的例子里 根本不用添加任何的磷 因为这些菌类适应得非常好 可以完全从土壤中找到并吸收磷