11.21: Introduction to Plant Nutrition
- Page ID
- 43952
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Discuss the common nutritional needs of plants
Plants obtain food in two different ways. Autotrophic plants can make their own food from inorganic raw materials, such as carbon dioxide and water, through photosynthesis in the presence of sunlight. Green plants are included in this group. Some plants, however, are heterotrophic: they are totally parasitic and lacking in chlorophyll. These plants, referred to as holo-parasitic plants, are unable to synthesize organic carbon and draw all of their nutrients from the host plant.
Plants may also enlist the help of microbial partners in nutrient acquisition. Particular species of bacteria and fungi have evolved along with certain plants to create a mutualistic symbiotic relationship with roots. This improves the nutrition of both the plant and the microbe. The formation of nodules in legume plants and mycorrhization can be considered among the nutritional adaptations of plants. However, these are not the only type of adaptations that we may find; many plants have other adaptations that allow them to thrive under specific conditions.
What You’ll Learn to Do
- List the elements and compounds required for proper plant nutrition
- Describe how symbiotic relationships help autotrophic plants obtain nutrients
- Describe how heterotrophic plants obtain nutrients
Learning Activities
The learning activities for this section include the following:
- Nutritional Requirements
- Autotrophic Plants
- Heterotrophic Plants
- Self Check: Plant Nutrition
Contributors and Attributions
- Introduction to Plant Nutrition. Authored by: Shelli Carter and Lumen Learning. Provided by: Lumen Learning. License: CC BY: Attribution
- Biology. Provided by: OpenStax CNX. Located at: http://cnx.org/contents/185cbf87-c72e-48f5-b51e-f14f21b5eabd@10.8. License: CC BY: Attribution. License Terms: Download for free at http://cnx.org/contents/185cbf87-c72...f21b5eabd@10.8