Assume that the price of rice is 0.5yuan/kg, while the price of potash (K2O) is 0.73 yuan/kg.
Assume that the price of rice is 0.5yuan/kg, while the price of potash (K2O) is 0.73 yuan/kg.
对图2作进一步地分析可得知，钾肥用量在120~180公斤/公顷之间时可能会产生最大利润。
Assume that the price of rice is 0.5yuan/kg, while the price of potash (K2O) is 0.73 yuan/kg.
对图2作进一步地分析可得知，钾肥用量在120~180公斤/公顷之间时可能会产生最大利润。