Study On Technology Of Lawn Stroma Production Without Soil

King grass straw-stalk powder and pig-shit was disposed with microbe means in the test, mixed with straw-stalk-granule compound substrate contrast, discussed characteristic of compound substrate (content of N P K Electrical conductivity soil bulk density water-holding capacity felting character etc.), actualized lawn-cultivation test on compound substrate, its purpose is that filtered 1 or 2 kinds excellent compound substrate contrast.The result showed: Fibrin is difficult to decompose in the course of compost-executing, it can increase microbe-total of compost-layer after inoculated bacterium and form predominance bacterium-groups, enhance ferment-temperature, quicken ferment-speed of compost. At one time, it concentrated nutrition-ingredient of compost that decomposing-function microbe to compost-substance. Added n utrient-content due to moisture-reduction relatively after inoculated bacterium, it is propitious to increase compost-quality. The reason that the content of N P K and Electrical conductivity soil bulk density water-holding capacity increase is increased pig-shit and reduced straw-stalk-granule in the test of different contrast substrate. The departure come into being between the cubage-weight of increased pig-shit content and ideal compound substrate (the cubage-weight of ideal compound substrate is 0.5 around).The contrast test of lawn-cultivation of two tall fescues and bluegrasses of suitable planting in Guizhou was done between the compound substrate and soil contrast. The growth speed stat. result showed: The growth speed of lawn-grass in the different substrate exists obvious difference, the effect difference between pig-shit: straw-stalk-granule=5:5 and pig-shit: straw-stalk-granule=6:4 isn't obvious, and excelled the other disposal and antitheses.The difference effect is obvious between pig-shit: straw-stalk-granule=5:5 to tall fescue, its difference isn't obvious among pig-shit: straw-stalk-granule=5:5or6:4or7:3or8:2to bluegrass due to its slow-growth and the nutrition-demand can be assured during the seedling-period, but excelled CK and pig-shit: straw-stalk-granule=4:6 because its nutrition-provided can't suffice growth-demand of lawn-grass; The substrate group of pig-shit: straw-stalk-granule=5:5 is the most economical and optimal considering to growth-phenomena of lawn-grass and substrate-cost.