How many months would it take two water hyacinths to cover a pond that is 32m? Assume a three month doubling time, and 1m coverage for each plant.
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How many months would it take two water hyacinths to cover a pond that is 32m? Assume a three month doubling time, and 1m coverage for each plant.
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- Name two soil properties that can affect infiltration rates. How does application rate affect infiltration? Why are infiltration rates typically higher in a sandy than in a clay soil?Why do some people prefer the term “growth ring” rather than “annual ring”? What can sometimes happen if a summer is unusually cool? Do you think this occurs more frequently in California or in Alaska?Calculate the growth rate and generation time of a culture that increases in the exponential phase from 5x102 to1x108 cells in 12 hours
- Answer the following questions. Why is 80% ethyl alcohol is considered as the solvent of choice during phytochemical screening? What are the different types of extraction? Differentiate each. Differentiate Primary versus Secondary Metabolites and give examples. How are flowers, fruits and seeds dried? Explain why flowers requires greater care in drying.If any plant is disappearing due to disease caused by salt inclusion in the soil. how can I generate a salinity tolerance plant via tissue culture?If a soil when sampled from the field weighed 30g(fresh weight) and after oven drying at 105°C overnight it weighed 25g( oven dry weight), what would be the moisture percentage?
- is there a correlation between one medium supporting growth at a wide set range or organismal growth and another supporting little to no organismal growth and if the terms defined medium and undefined medium? if so, what is it? If not, attempt to explain the relationship you observe?Approximately how much chlorophyll was present in the moderate-light plants after 24 hours? A. about 200 micrograms/g B. about 225 micrograms/g C. about 300 micrograms/g D. about 400 micrograms/gWhat is the positive and negative result in Physical Growth Requirements, temperature, osmotic pressure and pH level. With a brief explanation.