Experimental research on efficient irrigation system with mixed fertilizer in integration of water and fertilizer
2020
China is a country with relatively insufficient water resources. Saving water and fertilizer and improving the utilization of water and fertilizer have become one of the most urgent problems in fruit industry. Water and fertilizer integrated irrigation technology is one of the means to solve the above problems. In this paper, a new efficient mixed fertilizer irrigation system is developed and field experiments are carried out. With Box-Behnken experimental design method, a quadratic regression model indexed by undissolved amount of three fertilizers is established. Through the interaction of the model and the analysis of response surface, the influence of stirring speed, stirring time and submerged depth of stirrer on response index is obtained. These work may provide some idea when engineers design this kind of system.
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