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Published byAbraham Carr Modified over 9 years ago
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Students will be able to know explain what damages can happens to plants if there water is wrong and why soil is important to plants.
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WATER UNIVERSAL SOLVENT DISSOLVES and carries NUTRIENTS (ions) due to POLARITY NUTRIENTS from SOILS easily available to plant FORMATION and MAINTENANCE of PLANT STRUCTURE Can cause injuries in plants
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SUMMER INJURIES- WATER AND HEAT STRESS WILT DEATH of TISSUES DEATH of PLANT SUMMER SUNSCALD
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SUMMER INJURIES-PREVENTION Adequate WATER in soil Decrease TRANSPIRATION Increases HUMIDITY MIST plants
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SUMMER INJURIES-WATER AND SALT SOLUBLE SALT INJURY TOO MUCH fertilizer
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SUMMER INJURIES-PREVENTION Adequate WATER in soil Use the right AMOUNT of FERTILIZER Use SAND for de-icing
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SOILS Provide plants with physical SUPPORT, WATER (H2O), NUTRIENTS and OXYGEN (O2) Sand Silt Clay Minerals Particles
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SOIL Horizon DIFFERENT layers of soil together to make a PROFILE
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COMPONTES OF SOIL COPY IMAGE
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SOILS- TEXTURE TRIANGLE How soil is classified Clay on left side Silt on right side Sand on bottom
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Soil Triangle http://www.youtube.com/watch?v=VEgHmgnrWzk
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Soil Triangle Problems
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Using the Soil Triangle find the following soils: Sand: 75% Silt: 10% Clay: 15% Sand: 10% Silt: 83% Clay: 7% Sand: 20% Silt: 10% Clay: 70% Sandy Loam Clay Silt Has to equal 100% at the end!!
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Worksheet on your own
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SOIL- ORGANISMS Soil biology plays a vital role in soil characteristics. Decomposition of organic matter by soil organisms has an immense influence on soil fertility, plant growth, soil structure, and carbon storage. Earthworms, nematodes, protozoa, fungi, bacteria and different arthropods.
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SOIL- STRUCTURE Arrangement of soil particles Granular Blocky Platy Prismatic Structure Single Grain Massive
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SOILS- NUTRIENTS SOIL NUTRIENTS – 17 essential, 14 from soils
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Assignment For the following elements you need to find out what their main function in plants are: Nitrogen (N) Phosphorus (P) Potassium (K) Sulfur (S) Calcium (Ca) Magnesium (Mg) Iron (Fe) Chlorine (Cl) Manganese (Mn) Boron (B) Zinc (Z) Copper (Cu) Nickle (Ni) Molybdenum (Mo)
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