不同灌溉条件下施肥模式对小麦产量和土壤养分的影响

Effects of Fertilization Patterns on the Yield and Soil Nutrients of Wheat under Different Irrigation Conditions

为研究不同灌溉条件下施肥模式对小麦产量和土壤养分的影响,采用裂区试验设计,主区为灌溉处理,分别为滴灌(W1)和大水漫灌(W2),副区为施肥模式,分别为一炮轰施肥模式(F1)、分期追肥(F2),研究小麦产量、土壤养分和土壤酶活性的变化特征。结果表明,在滴灌条件下分期追肥能够显著增加小麦干物质积累量、穗粒数、千粒质量和产量,产量达到7236.08 kg/hm^(2),可提高土壤速效磷、速效钾和速效钾的含量,以及脲酶、磷酸酶和蔗糖酶活性。因此,滴灌分期追肥能够提高土壤养分和土壤酶活性,增加小麦产量,是较好的灌溉施肥措施。

In order to study the effects of fertilization mode on wheat yield and soil nutrients under different irrigation conditions,a split zone experiment design was used to study the change characteristics of wheat yield,soil nutrients and soil enzyme activity.The results showed that phased topdressing by drip irrigation could improve soil nutrient and soil enzyme activities,increase wheat yield,and was a better irrigation and fertilization measure.