Campbell Biology Chapter 37 Outline
Subject:
Biology [1]
Tags:
Biology [2]
Symbiosis [3]
Soil biology [5]
microbiology [6]
Plant roots [7]
Root nodule [8]
Rhizobia [9]
Mycorrhiza [10]
Plant nutrition [11]
Denitrification [12]
Nitrogen fixation [13]
Environment [14]
Copyright ? 2005 Pearson Education, Inc. publishing as Benjamin Cummings Chapter 37 Plant Nutrition Copyright ? 2005 Pearson Education, Inc. publishing as Benjamin Cummings Nutritional requirements of plants ? Plants derive most of their organic mass from the CO2 of air ? also depend on soil nutrients such as water and minerals ? classic experiments by Jean-Baptiste van Helmont & Stephen Hales ? nitrogen acquired mainly as nitrate ions (NO3?) Copyright ? 2005 Pearson Education, Inc. publishing as Benjamin Cummings Essential Elements ? more than 50 chemical elements found in inorganic substances in plants ? not all of these are essential ? chemical element is considered essential if it is required for a plant to complete a life cycle