Lecture 14 - Sheet glass Bright ideas Light bulb Make up...

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03:29 Guest Lecture – Johanna Oosterwyk What do plants need? Light Naturally provided by the sun Water  Naturally provided by rain   Carbon Dioxide (gasses)  Naturally provided by the atmosphere  Nutrients  Naturally provided by soil Temperatures  Warm or appropriate temps  Why bring plants into Greenhouses We can extend the growing season Grow exotic plants – that wouldn’t grow in our natural environment   Manipulate and control environment for research or production Screen out and avoid pests and diseases  Why do we grow in controlled environments Control temperatures Control light levels  A cucumber a day. . Tiberius Caesar  Rock let in certain amount of light to grow one cucumber a day  Heat – used heat given off by decomposing manure
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The Industrial Revolution Hot water heat
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Unformatted text preview: Sheet glass Bright ideas Light bulb Make up for shadows cast Indoor potting mixes Not native field soil Nutrients air support water Potting soil is completely changing the way a plant will work Rooting is different Media: Organic matter Water holding capacity Nutrient holding capacity Particulates Porosity Drainage Nutrients Nitrogen, Phosphorous, Potassium (NPK) Micronutrients Micro-organisms Controlling the Environment in commercial agriculture High tunnel Control temp Greenhouse Row covers Is it worth it? Efficiency = productivity/resources Productivity Inputs Resource use Yield High Value Crops Bringing the outdoors in Camp snoopy mall of America Exotic plants brought into the Midwest and indoors 03:29 03:29...
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This note was uploaded on 02/17/2012 for the course HORTI 120 taught by Professor Paterson during the Fall '11 term at Wisconsin.

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Lecture 14 - Sheet glass Bright ideas Light bulb Make up...

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