What are your thoughts on these pictures Physical Chemical amp Properties of the soil Soil 1 Physical Properties This relates to the physical characteristics of the soil eg ID: 298130
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Look at the following pictures carefullySlide2Slide3Slide4Slide5Slide6
What are your thoughts on these picturesSlide7
Physical Chemical&Properties of the soilSlide8
Soil(1) Physical PropertiesThis relates to the physical characteristics of the soil. eg. Colour, feel, touch, particle size(2) Chemical PropertiesThese are properties associated with the organic and inorganic particles of the soil. These are properties we cannot see and need to go into a lab to test. Eg. Minerals, Soil pH, organic matter.Slide9
SOILPhysical PropertiesChemical properties Colour Texture Structure Porosity Permeability Capillarity Swelling & Shrinkage Organic matter (manure) Soil minerals Soil pHSlide10
fertileSoil ColourThe colour of the soil will determine how fertile of infertile the soil isQuestion Of these two soil types which one is fertile ? Why ?fertileinfertileinfertileSlide11
Soil TextureThis refers to how the soil feels Dry -Gritty, rough, coarse, granular, fine, grainy.Wet -Smooth, slippery, sticky, muddyA Ribbon Test (forming a ball) when the soil is wet to determine the type of soilSlide12
Soil Texture
This refers to how the soil feels
Sandy Soil
Gritty
rough
Fine & coarse
Granular or Grainy
Do not form a ball when wetSlide13
Soil TextureClayey Soil
Hard (dry) Fine grainy (dry) Slippery (wet) Sticky (wet) Smooth (wet) Forms a ball very easily when wetSlide14
Soil TextureLoam soil (mixture of sand & clay) Sticky (wet) Does not forms a ball that easily when wet Slippery (wet) smooth & fine soft and grainySlide15
Soil StructureThis refers to how the soil particle are put together to form the soilA soil particle is the smallest element (speck, spot) found in the soilExample of soil particle Blocky Platy Granular Slide16
Soil TypeSoil Texture Sandy SoilGrittyRoughFine & coarseGranular & grainyDo not form a ball when wet Clayey SoilHard (dry)Fine & grainy (dry)Smooth (wet)Sticky (wet)Slippery (wet)Forms a ball very easily Loam SoilSmooth & fineSoft & grainy
Sticky (wet)Slippery (wet)Does not form a ball that easily when wetSoil Texture CharacteristicsSlide17
Farmer Brown recently brought a piece of agricultural land in Caroni to plant patchoi, lettuce and other short term crop. However, he observed that the land floods very easily and is usually very muddy when rain falls. His Agricultural officer has informed him against planting any vegetable or short term crop on the piece of land. Advised farmer Brown on what type of crop should be planted on his land?Problem Solving ActivityRice DasheenSlide18
HFLE ActivityIs the soil a part of the environment ?YESDesign a poster informing your friends about different ways in which you can preserve and protect the environment/surroundings