Fraction of the herbicide

Assignment Help Civil Engineering
Reference no: EM1382869

The herbicide 2,4,D, is applied to a golf course at a rate of 1.2 kg/ha. The organic matter content of the soil is 1%, bulk density is 1.3 g/cm3, and water content is 0.3.

a) What fraction of the herbicide is adsorbed, and what fraction is dissolved?

b) If the golf course is irrigated at a rate of 1.6 cm/day and the actual grass water use rate is 0.4 cm/day, how long will it take for the 2,4-D to reach the water table at a depth of 2 meters? Assume a constant and uniform soil water content of 0.3.

c) How much (kg/ha) of the dissolved herbicide will remain when it reaches the water table? Use the decay constant for Ouachita soil and grass.

d) By how much will the ground water concentration of 2,4-D increase if the herbicide mixes into 2 cm of saturated thickness with a porosity of 0.5?

Reference no: EM1382869

Questions Cloud

Presentation on trickster : Prepare a presentation on the trickster. Identify a figure from contemporary popular culture that is not explicitly drawn from mythology.
Do you think the reasons for rules and tradition : Do you think the reasons for rules and tradition for communication at your workplace apply to academic writing.
Removing 1000 cubic kilometers per year from rivers : There is approximately 2,000 cubic kilometers of water stored in rivers around the world. Using the terms water cycle, flux and pool, explain under what situations removing 1000 cubic kilometers per year from rivers for human use could be sustainable..
Discuss how decision analysis could be used to solve : Select an organization you have worked for or any organization of interest and discuss how decision analysis could be used to solve a business problem.
Fraction of the herbicide : The herbicide 2,4,D, is applied to a golf course at a rate of 1.2 kg/ha. The organic matter content of the soil is 1%, bulk density is 1.3 g/cm3, and water content is 0.3. a) What fraction of the herbicide is adsorbed, and what fraction is dissolve..
Write main advantage of using domain controlled network : Write down the main advantages to using Domain controlled network? Write down some concerns and disadvantages to switching to domain network?
Minority group relations in america : Critically discuss ethnic and minority group relations in America according to each of the three theoretical perspectives (functionalist, conflict, symbolic interactionist)
Will herb successful in an action brought against employee : Three weeks after starting the job Herb was fired without cause and replaced by the employer's friend. Will Herb be successful in an action brought against the employer for breach of contract?
Corporate accounting assignment : Write a report the owners detailing ALL the different options and considerations that you feel the owners should consider raising the $60 million.

Reviews

Write a Review

Civil Engineering Questions & Answers

  Measure the distance pa, pb, pc

Measure the distance PA, PB, PC etc. from p to various point with chain or tape and plot them to scale along the co responding rays. Join the points a, b, c, etc. to give outline of survey.

  Complete cycle of the motion

Find the time for one complete cycle of this motion if the spring constant is 21 N/m. (Assume that once the pendulum ball hits the spring there is no effect due to the vertical movement of the ball.)

  Develop a simple urban constructed wetland design

Develop a simple urban constructed wetland design.

  Determination of edta titration

Does the presence of Mg2+ significantly interfere with the determination of Ca 2+ by the EDTA titration?

  Calculating sand shear strength

Estimate the effective friction angle for the sand (assume c' = 0). Calculate the sand's shear strength (τf) on a horizontal plane at depths of the 20 ft and 50 ft.

  Design a three story office building

Design a three story office building

  Percent by weight of limestone

A slurry containing 20 percent by weight of limestone (CaCO 3 ) is processes to separate pure dry limestone from water. If feed rate is 2000kg/h, how much CaCO 3 is produced per hour?

  Explain about pres-stressed concrete

Explain about pres-stressed concrete

  Base of each standpipe

Determine: a) the height of the water, with respect to the base of each standpipe, and b) the effective stress at the depth of each standpipe, at the following times:

  Direction of flow in a conical tube

A conical tube of length 8 m fixed vertically with its smaller end upwards. The velocity head and pressure head at upper ends are 1.27 m and 2.50 m respectively.

  Resulting center of gravity

The section of the plywood in the 3rd quadrant is sawed off and the resulting piece is then glued squarely over the 4th quadrant portion of the plywood with glue of negligible weight.What are the x- and y-coordinates of the resulting center of gra..

  Tensile modulus of elasticity

Calculate the tensile modulus of elasticity for a 10 laminated composite consisting of 62 percent by volume of unidirectional carbon fibers and an epoxy matrix under isostress conditions.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd