Tropical rain forests have soils that can be farmed with chemical fertilizers, managerial skills, capital , and Green Revolution technological inputs. are useful with a brief nutrient burst, that is then followed by a decline in crop yields. O all of these O have nutrients that wash away in a process called soil leaching.

Q: About half the dry weight of a plant's body is carbon.  Where do plants get the carbon?     From…

A: On average, the dry weight i,e weight without water of a cell is 50 percent carbon, making it a key…

Q: Farming is often done on the large-scale to allow for high-volume production. For example, tomatoes…

A: Tomato plants are a type of flowering plant in the nightshade family. They are native to South…

Q: Think for a moment about the carbon, nitrogen, and phosphorus nutrient cycles. You know that human…

A: A nutrient cycle defines a system of transfer of a nutrient or energy between organisms and the…

Q: Fertilization & deposition Crop export Watershed Leaching & Runoff Mineralization The figure above…

A: Given rates are, Rates of Fertilisation and deposition= 4000 Mg yr-1 Rates of Mineralistion=4900 Mg…

Q: Which of the following describes a strategy that can reduce land, water, and energy use in meat and…

A: For reaching the correct answer let's analyse all of the options given.  Option 1-feeding livestock…

Q: The efficiency (in terms of increased outputs from fewer inputs) of modern industrial agriculture is…

A: With evergrowing population and constant land and other resources, the production per hectare needs…

Q: Ethanol from sugarcane has a medium net energy yield, while ethanol from corn has a low net energy…

A: Net energy yield  Net energy yield means the amount of energy gain from a harvest after reducing the…

Q: Which of the following is NOT a threat to crop diversity?       The Cartagena Protocol…

A: Note: According to bartleby guidelines only first question is to be answered. So please upload…

Q: Complete fertilizers, such as “Miracle Grow”, are the ideal fertilizer and are often used on…

A: It is a fertilizer blend or mix that contains the three main plant nutrients , ie nitrogen,…

Q: Which of the following is true about raised bed agriculture (like the Waru Waru)? A. It allows crops…

A: Raised bed agriculture is a farming technique where crops are cultivated in raised, elevated soil…

Q: For which of the following problems would growing and maintaining cover crops be an appropriate…

A: Cover crops: These are crops which are planted so as to maintain the soil fertility, reduce soil…

Q: Net primary production is equal to gross primary production minus what? the energy contained in bark…

A: INTRODUCTION In plants the net chemical energy is produced by the autotrophs in an system for all…

Q: A prairie has plenty of grass. The soil on the prairie provide all the following EXCEPT - O…

A: Soil is the abiotic component of the environment which helps in the growth of the plant.

Q: "Biocrusts are formed by photoautotrophic producers, microfauna, and decomposers that aggregate soil…

A: Communities of living organisms called biological soil crusts (BIOCRUSTS) can be found in arid and…

Q: Chemical fertilizers:   a. supplement carbon fixation by crops. b. cause eutrophication. c.…

A: Introduction :- Fertilizers are of two types :- natural and artificial . Natural fertilizers are…

Q: What is the most predominant system of agriculture in areas which receive little annual rainfall?…

A: Below table shows the annual rainfall level in cm and their category,              Annual rainfall…

Q: Biotechnologies used in crop production have increased our food supplies, but this food abundance…

A: There are few important points about Biotechnologies used in crop production have increased our food…

Q: What have been the results of Improved agrlcultural practicesa increased productivity decreased crop…

A: The basic agricultural practices include soil preparation, sowing, maturing, irrigation, weeding,…

Q: Turgor pressure in a plant is directly related to 0000 the amount of water within the chloroplasts…

A: Introduction: Plant cells are similar to human cells, with the exception that they are surrounded by…

Q: Which of the following statements about nutrient inputs and eutrophication is FALSE? O Fossil fuel…

A: Eutrophication is the process of enrichment of an aquatic ecosystem with excess plant…

Q: Because of translocation of sugars, starches and proteins to actively growing sites in the plant,…

A: Answer. Older leaves show nutrient deficiency symptoms because the mobile nutrients are internally…

Q: Directions: Label the processes of ACTIVITY 2 phosphorus cycle from A to J. Choose the correct…

A: Introduction :- Phosphorus is an essential nutrient for all living organisms. It is an important…

Q: As a rule of thumb, each 1% of soil organic matter by weight contains about 1,000 pounds of nitrogen…

A: Any material created by living organisms (plants or animals) that is returned to the soil and…

Q: Which of the following is an input in the phosphorus nutrient cycle? erosion leaching runoff…

A: The essential elements required by organisms for their bodybuilding and metabolism and known as…

Q: . Make a table that best matches the following set of animals and crops with the soil unit most…

A: Soil is composed of minerals, organic matter, water, and air. They are grouped into sand, clay, and…

Q: Generally, the primary factor influencing soil organism populations is: O predation and competition…

A: Soil microorganisms including algae, bacteria, protozoa, and viruses account for a sizable portion…

Q: Tropical rain forests are known for their high primary productivity. Which set of conditions allows…

A: High moisture, high temperature, intense solar radiation

Q: Which of the following ground cover conditions contributes to the highest loss of topsoil and…

A: Soil erosion refers to the process by which soil is moved or displaced from one location to another…

Q: All of the following are reasons why tropical rain forests less likely to grow back as secondary…

A: The statement which do not support why tropical rain forests less likely to grow back as secondary…

Q: Science has rarely documented long-term, soil-based productivity decline in forested ecosystems due…

A: The objective of the question is to identify the types of soil conditions that might be most…

Q: Net primary productivity of two mangrove forest stands on the northwestern coast of Sri Lanka…

A: Gross primary productivity refers to carbon fixation amount by all the producers present in the…

Q: How does nutrient mobility in the soil affect competition between plants for nutrients i.e., is…

A: Nutrients must be available to roots in order to be absorbed. Nutrients occur in many chemical…

Q: Select all that apply: Which process(es) create(s) a solube form of nitrogen that plants can take up…

A: Heterotrophs like plants mostly get their nitrogen from the soil and not directly from the air.…

Q: The heat capacity of a soil is the amount of heat that it must absorb or lose to produce a…

A: Heat capacity is the intrinsic physical property of a material, and is measured as the amount of…

Q: ecosyste that is the most scarce nutrient that is needed for more gro that is limited however is not…

A: Leibeg Law of the minimum states that growth depends not by total resources available but by…