Plant and mushroom growth medium
a growth medium and plant technology, applied in the field of growth medium, can solve the problems of increasing the cost of mushroom growers, depleting existing sphagnum peat supplies, and increasing the cost of obtaining imported sphagnum peat, so as to achieve low nutrient levels, low air porosity, and optimal properties
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example 2
[0034] Example 1 was repeated with the sedge peat being replaced by coco peat. The coco peat has a composition according to Table 4.
TABLE 4COCO PEATAnalytical Range atNutrient / TestOptimum Rangedifferent depthAir Filled Porosity %15-2513-18Water Holding Capacity %>4063-77pH6.5-7.26.1-6.4Electrical Conductivity0.2-0.50.29-0.31Chloride 0-10059-71Nitrate Nitrogen100-1501-3Ammonium Nitrogen 0-150>5Total Nitrogen150-250 1-3.5Sulphur>402.9-6.3Phosphorus 8-401-6Potassium35-250132-166Calcium50-34042-68Magnesium25-8014-23Sodium 0-7053-57Iron35-7010.1-24.6Copper0.4-10 4-7.6Manganese1.0-15 2.2-7.5
[0035] The composition of the casing soil prepared by Examples 1 and 2 has a composition according to Table 5. This mixture may also be used as a plant growth medium or as a soil additive.
TABLE 5NutrientAvailable limits of new casing mixAir Filled Porosity %21-25Water Holding Capacity %70-72pH6.8-7.0Electrical Conductivity0.375-0.4 Chloride (ppm)24-28Nitrate Nitrogen (ppm)110-125Ammonium Nitroge...
example 3
[0040] A potting mix was prepared by mixing 1.7 parts by weight sedge peat to 1 part by weight sugar mill mud. To this mix was added 4 parts by weight bagasse.
example 4
[0041] A top dressing material was prepared according to Example 3 except that 2 parts by weight bagasse was added. The top dressing material was spread on a ground surface. Grass seeds were spread on the material at regular intervals. Grass germination and growth was evident over a period of about one week. This time was observed to be less than that when using conventional top dressing materials.
[0042] The potting mix and top dressing material were also observed to exhibit at least equivalent and generally superior results over conventional materials. However, the medium of the present invention can be prepared using waste products such as sugar cane mill mud. Thus, the medium can replace conventional materials currently prepared from limited natural resources.
[0043] It will be appreciated that in the present specification and claims, the term “comprising” and its derivatives “comprise” and “comprises” will imply the inclusion of the stated integers but not the exclusion of any ...
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