Abstract：As an important direction of the facility agriculture modernization，the automatic management for
integration of water and fertilizer via integrated equipment is conducive for saving water and fertilizer and increasing
production efficiency．This experiment was carried out based on the independent-developed AWF-type equipment
and conducted automatic management for integration of water and fertilizer．The paper also took conventional
management as the contrast；measured the growth index，chlorophyll contents of leaf blades，yield and quality of
lettuce；calculated amount of irrigation，cost and benefit；and analyzed the effect of using AWF-type equipment
for integration of water and fertilizer by automatic irrigation on lettuce growth and production efficiency．The
results showed that lettuce yield of 3 stubble under the automatic management of AWF-type equipment were
38.91、17.53、28.50 t·hm^-2，respectively，and increased 25.00%，54.75% and 11.76%，respectively than
that by conventional management．Meanwhile，the irrigation amount decreased 23.84%，21.71% and 28.91%，
respectively．While，the production efficiency of irrigation water increased 64.13%，97.65% and 57.24%，
respectively．The result of cost and benefit analysis indicated that the annual income was increased 42 750
yuan·hm-2 by using AWF-type fertigation equipment，and there were remarkable effects of increasing production
and saving water．The effects in yield increase，water saving and increment were significant.