【Abstract】 Compared with conventional cultivation, high yielding cultivation had better economic effect. It obtained double effects on net income per 1/15 ha and labor productivity; and showed increasing by about 50% in per100-yuan investment profit and cost profitability. Regressional analysis of technical economics shows that highyielding cultivation has more technical containings, and higher output is closely related to better scientific technology. There is different effect among the technical components on high yielding cultivation.更多还原