Relying exclusively on increase chemical fertilizer to fulfill the balance of domestic grain supply and demand was not only high cost (including resources, environment and costs of production), but also impossible to be accepted by market and farmers.
Relying exclusively on increase chemical fertilizer to fulfill the balance of domestic grain supply and demand was not only high cost (including resources, environment and costs of production), but also impossible to be accepted by market and farmers.
单纯依靠增加化肥的投入，实现国内粮食供需平衡，不仅代价太大（包括资源、环境和成本代价），市场和农民也不一定能够接受。