The contents of available Fe, Mn and Cu, except that 0.95 mg·kg-1 and 0.43 mg·kg-1 increased in Fe and Cu with N+ organic fertilizer treatment, all show a tendency to decrease.
The nitrogen utilization ratio of crystal organic fertilizer treatment was higher 9.4 percent point than that of compound fertilizer and higher 10.1 percent point than that of the urea treatment.
The mount of nitrogen from soil of the crystal organic fertilizer treatment was 47.4% more than that of compound fertilizer treatment and 58.3% more than that of urea treatment.
The 450kg/hm2,600kg/hm2,900kg/hm2 bio-organic fertilizer treatments increased the root tubers yield by 5.06%, 49.36% and 20.88% respectively higher than that of the control.
In comparison with CK, soil OM with treatments of NPK + Straw, NPKM, NPK, NP and N only increased by 7.90%, 14.56%, 6.51%, 5.89% and 2.56%, respectively.
Under non-irrigation condition, compared with no-fertilizer and fertilizer treatment, the application of chemical fertilizer with manure improved leaf area index (LAI) by 59.6% and 7.1%, leaf area duration (LAD) by 56.3% and 9.5%, solar energy using efficiency by 46.9% and 11.9%, and grain yield by 28.4% and 4.1%.
(3) compared to the application of compound fertilizer,the weight of 100 fruit and average yield per plum were improved by the application of EAOF,which were 11.1%,22.7% higher,respectively.
In comparison with inorganic compound fertilizer(45%) and decomposed chicken ordure application,special fertilizer application increased the yield by 8.4% and 20.3% respectively,the bioorganic fertilizer application increased the yield by 1.7% and 12.8% respectively.
In the present work, the influences of several organic fertilizer treatment regimens were compared as to their slowing down effect on aldicarb soil metabolism in a sugar beet crop.