Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 37, Problem 1S
Summary Introduction
To explain:
The short term and long term consequences of fumigation on the soils, which is done to kill harmful
Introduction:
In farming, the crops are prevented from developing the diseases by spraying various kinds of antimicrobial products. These antimicrobials kill bacteria, fungi and other animals which causes harm to the crops.
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Chapter 37 Solutions
Biology
Ch. 37.1 - Prob. 1LOCh. 37.1 - Prob. 2LOCh. 37.1 - Prob. 3LOCh. 37.2 - Prob. 1LOCh. 37.2 - Prob. 2LOCh. 37.2 - Describe the goal of food fortification research.Ch. 37.3 - Prob. 1LOCh. 37.3 - Prob. 2LOCh. 37.3 - Prob. 3LOCh. 37.4 - Prob. 1LO
Ch. 37.4 - Explain the main effect on herbivores of a higher...Ch. 37.4 - Prob. 3LOCh. 37.5 - Prob. 1LOCh. 37.5 - Prob. 2LOCh. 37.5 - Prob. 3LOCh. 37 - Prob. 1IQCh. 37 - Prob. 2IQCh. 37 - Which of the following is NOT found in topsoil? a....Ch. 37 - Prob. 2UCh. 37 - What proportion of the soil volume is occupied by...Ch. 37 - Which of the following is a micronutrient? a....Ch. 37 - Prob. 5UCh. 37 - Prob. 6UCh. 37 - a C4 plant, the Calvin cycle occurs in a. the...Ch. 37 - One potential problem with using poplars to remove...Ch. 37 - Prob. 1ACh. 37 - If you wanted to conduct an experiment to...Ch. 37 - Which of the following would decrease nitrogen...Ch. 37 - Which of the following might you do to increase...Ch. 37 - Prob. 5ACh. 37 - Prob. 1SCh. 37 - Describe an experiment to determine the amount of...Ch. 37 - Prob. 3S
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- Soil particles may be held together by which of the following to form aggregates? Group of answer choices a) Humus b) Clay c) Iron Oxides d) All of the above e. None of the abovearrow_forwardYou have discovered a secondary metabolite made by an unusual fungus that has great industrial potential. Unfortunately, the fungus makes very little of this product, so you must develop a scheme to increase the yield. Can you think of using a technique that might be useful to enhance the productivity of that secondary metabolite?arrow_forwardExplant can be aa) Cut part of the plant used in tissue cultureb) Plant extract used in tissue culturec) Source of growth regulators added to mediad) Solidifying agentarrow_forward
- Mycorrhizas represent associations between plant roots andmicroorganisms thata) are antagonistic.b) help plants take up phosphorus and other nutrients from soil.c) involve algae in the association with plant roots.d) form nodules on the plant’s leaves.e) lead to the production of antibiotics.arrow_forwardSoil microorganisms, collectively referred to as dizotrophs, fix 90% of the inert nitrogen gas to ammonium and nitrate. There are two-main types of nitrogen-fixing bacteria: free-living (nonsymbiotic) and mutualistic (symbiotic). Describe the mutualistic relationship between Rhizobium and legumes. What is the advantage of using legumes as a cover crop in agricultural systems? A point of interest is that the nitrogenase enzyme complex is highly sensitive to oxygen. This is a major problem for free-living aerobic species such as cyanobacteria and species of the genera Azotobacter and Beiigrinckia. Describe two ways the bacteria can overcome to levels of oxygen in their cells.arrow_forwardWhat is soil pollution?Suggest various ways to prevent soil pollution?arrow_forward
- Which region of soil is the most microbially active?arrow_forwardWhen mineral nutrients are applied to the soil, which of the following may occur?Group of answer choices a. Taken in by the plant b. Leached below the root zone c. Tied up to colloids in the soil d) All of the abovearrow_forwardyou have isolated a Bacillus species and would like to test its plant growth promoting abilities. other than nitrogen fixation and ACC deaminase production, discuss three other traits that you would look for and their significance in promoting plant growth.arrow_forward
- The growth of plants requires microbes. Describe what microbes are most critical for soil-bound plants and how agriculture uses chemicals to support the growth of these microbes.arrow_forwardPhytoremediation is the utilization of plants in the clean up of a polluted area. In a maximum of four sentences, using a flow chart for illustration, outline the process of phytoremediation. Please include a picture of the flow chart.arrow_forwardDescribe and explain the distribution of microorganisms in soil, from surface to deeper layers.arrow_forward
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