摘要
Through the analysis of investment and benefit in agricultural production,we explore the relationship between the cost of motor-pumped well irrigation and pump head,and provide a simple but effective way to determine whether the well irrigation scheme is economically rational.
Through the analysis of investment and benefit in agricultural production,we explore the relationship between the cost of motor-pumped well irrigation and pump head,and provide a simple but effective way to determine whether the well irrigation scheme is economically rational.
