微灌系统在大棚蔬菜上的应用使自动施肥成为可能，但成套施肥罐价格较高，不易被农民接受，利用文丘里管施肥对压力又有一定要求，压力太小无法施肥。为解决利用微灌系统自动施肥的问题，我们根据不同需要设计了泵前式自动施肥器和泵后式自动施肥罐，已在我市的100余个蔬菜大棚 The application of micro-irrigation system in greenhouse vegetable makes automatic fertilization possible, but the high price of complete fertilization tank is not easy to be accepted by peasants. There is certain pressure on using fertilizers in the venturi, and the pressure is too small to fertilize. In order to solve the problem of using the micro-irrigation system to automatically fertilize, we have designed the pump-type automatic fertilizer applicator and the pump-type automatic fertilization tank according to different needs. In our city, over 100 vegetable sheds