生物有机肥配施化肥对旱寒区温室西葫芦土壤酶活性及产量的影响

打开文本图片集

中图分类号：S642.6 文献标志码：A 文章编号：1673-2871（2026）01-102-07

Abstract：Inordertoscreenouttheappropriatedosage indicatorsforreducingchemical fertilizerandappying bio-organic fertilizer ingreenhousesquash productioninaridandcoldregions，thesquashvarietyJinghu1 wasusedas thetestmaterial， andfieldexperimentswereconductedwith7treatments tostudytheefectsofbio-organicfertilizercombinedwithchemical fertilizeronsoil enzymeactivityand yieldduringsquash growth.Theresults showed thattheactivityofurease，catalase， alkaline phosphatase，and sucrase in the soil treatedwith 30% reductionin fertilizerand balanced fertilizationcombined with 3.0t⋅hm-2 bio-organic fertilizer were significantly higher than those in the other six treatments，and showed a changing patern ofincreasingat firstandthen decreasingatdifferent growth stages;Thevine length，vine thicknes，maximum leaf area， number offruits per plant， yield per plant， and equivalent yield of 667m2 ofsquash treated with T3 were significantlyhigher than those of other treatments，which were 63.25cm 1.85cm 738.26cm2 ，13.25， 3.85kg ，and 6845.30kg⋅667m-2 respectivelyComparedwith balanced fertilization，theyieldof squash treatedwithT3wassignificantly increasedby 15.67% 18.59% 8.81% 24.65% 33.22% ，and 33.22% ，respectively;Meanwhile，the yield increaseand fertilization profit of T3 treatment were the highest，at 10 596.88Yuan⋅667m-2 and 9522Yuan⋅667m-2 ，respectively.Different treatments canimprove thequalityofsquashfruitandsignificantlyreducenitratecontentwiththereductionofchemicalfertilizers and the increase ofbio-organic fertilizerdosage.In summary，using 30% reductioninchemical fertilizersand balanced fertilization with 3.0t⋅hm-2 bio-organic fertilizer can effectively improve soil enzyme activity，squash yield，and economic benefit，and can be promoted and applied in greenhouse of arid and cold areas.

Keywords：Squash;Fertilizerreduction;Biological organic fertilizer; Soil enzyme activity;Yield

张掖市地处河西走廊中部，为温带大陆性干旱气候，平均海拔 1400m ，境内地势平坦，日照充足，年平均日较差 14∘C ，年平均气温 7.7∘C，≥10∘C 的活动积温 2980∘C ，是典型的旱寒农业区。（剩余9785字）