Effect of Fertilizer Amount on Nutrients Absorption and Utilization of Greenhouse Cucumber(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Fertilizer Amount on Nutrients Absorption and Utilization of Greenhouse Cucumber

Author(s):: LI Ming1; CUI Shimao2; WANG Huaidong1; GE Maoyue1; （1.Vocational Technical College，Inner Mongolia Agricultural University，Baotou，Inner Mongolia 014109；2.Agricultural College，Inner Mongolia Agricultural University，Hohhot，Inner Mongolia 010018）

Keywords:: different fertilizer amount; soil nutrients; transformed; distribution; greenhouse cucumber

Abstract:: The greenhouse cucumber was selected to study the effect of fertilizer amount on nutrients absorption and utilization and its inner effect factor by analyzing data of nutrients，organic matter content，microbial amount，and enzyme activity of rhizosphere soil.In the experiment，the conventional fertilizer application amount of the test area was used as the control，and the fertilizer quantity decreased 1/3 in turn was used as 4 treatments.The results showed that compared with traditional fertilizer，reducing amount of chemical fertilizer within a certain range promoted soil enzyme activity，microbial quantity，and significantly increased fruit P and K content，and the effect of the treatment (N 68 kg/hm2，P2O5 30 kg/hm2，K2O 90 kg/hm2) significantly improved rhizosphere bacteria count 50.41%，nitrogen-fixing bacteria count 24.07%，actinomycetes count 25.50%，cellulose-decomposing bacteria count 23.22%，catalase activity 13.64%，urease activity 14.08%，invertase activity 30.12%.Factors affecting nutrients absorption and utilization of greenhouse cucumber were available nutrients of soil，count of actinomycetes and nitrogen-fixing bacteria count，catalase activity，and organic matter content.

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Last Update: 2015-11-17