A soil test recommends applying 56 lbs P2O5 per acre. Using a 36-8-22 fertilizer, how much fertilizer is needed to meet the recommendation? Round your answer to nearest whole number.
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A soil test recommends applying 56 lbs P2O5 per acre. Using a 36-8-22 fertilizer, how much fertilizer is needed to meet the recommendation? Round your answer to nearest whole number.
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- A soil test recommends applying 133 lbs K2O per acre. Using a 38-10-24 fertilizer, how much fertilizer is needed to meet the recommendation? Round your answer to nearest whole number.1. You stumble and break your leg after falling into a deep pot hole. While waiting for your leg to heal, you decide to fill in the pot hole with some gravel so no one else gets hurt. You go to the garden store to buy gravel but no one has heard of the USCS system. That does not matter since they only have one type anyway. You buy a bag and run a sieve test on a 470g sample that produces the following data. Plot the grain size distribution curve, identify the coefficients of curvature and uniformity, and classify according to USCS. Explain why either a poorly graded gravel or a well graded gravel would be better for this application (hint: think about the voids). Sieve size (mm) Mass retained (g) 63 0 26 37.5 19 28 13.2 18 9.5 6.7 4.75 2.36 1.18 0.6 0.212 0.075 20 49 50 137 46 31 34 301) You are an extension agent working for a large research university. A farmer brings some soil samples to your lab for you to do an assessment of their fertility status. She is concerned about the productivity of her field for growing sorghum as her yields were quite low during the last harvest. You determine that you will complete quick nutrient, pH, and CEC analyses. A) Before working on these methods, the farmer wants to know why these particular parameters were chosen and what they can indicate about soil fertility. B) Following analysis, you determine the following information: a) You have 10 g of soil that you extract in the lab (extract volume 50 mL) using the double wash method with K as the index ion. You find that the soil sample contains 735 mg of K. Assuming no other cations are exchangeable, what is the CEC in cmolc /kg? b) You test the soil pH and determine that it is approximately 5.3. c) Some macronutrients appear to be largely deficient, particularly N. Using…
- Sanitary Engineering laboratory "jar test " 1. Why is alum preferred to other coagulants? 2. What is the difference between coagulation and flocculation? 3. What are coagulant aids?What are the various methods and strategies to mitigate the effects of soil liquefaction and its merits?Hello can you help me solve this. Calculate the suspended solids in mg/L given the following data: Weight of crucible: 21.0256 g, Weight of crucible and dry solids: 21.0301 g, Weight of crucible and ash: 21.0263 g, and Volume of sample filtered: 50 mL. Answer should have 2 significant figures.
- Q2 bHow can you determine chloride content in a waste water sample?PROBLEM No. 1 Particle Size Distributior Weight of Container Weight of Container + Dry Soil Weight of Dry Soil Sample 198 g 722 g 524 g Mass of Mass of Mass of Soil Sieve Diameter Percent Percent Empty Sieve (g) 116.00 Sieve + Soil Retained No. (mm) Retained Passing Retained (g) (g) 4 4.750 2.000 148.00 10 99.00 213.00 20 0.840 0.425 98.00 175.00 40 97.00 182.00 60 0.250 94.00 157.00 140 0.106 93.00 184.00 200 0.075 91.00 117.00 Pan 70.00 106.00 Total Weight of Soil = Determine the following: Using USCS: % Gravel (Hint: use interpolation in lieu of graphing) D10 = D30 = D60 mm mm % Sand mm % Fines Cu = Cc =Q2: Answer the following. A) Define the following: Hydrocompression, aeolian soil, soil active zone. B) Give the potential problems associated with: organic soil, soft clay, solid waste.
- Given the following problems, give illustrations; provide solutions using proper equations and variables; convert figures if necessary; and reduce answers to appropriate significant figures up to two decimal places only: 1. Convert the following moisture content as indicated. Show your solutions. 18% wb to MCdb 26% wb to MCdb 15% db to MCwb 20% db to MCwb 24% db to MCwb 2. Determine the weight loss of a ton of paddy at 24% if dried to 14%. Correspondingly, determine the price at different level. Considering price difference of P2.00/kg between wet and dry. Make your conclusion from the above figures. 3. From a one hectare farm, 150 bags (50kg/bag) of palay were harvested with moisture content of 26%MVwb. If it will be dry to 14%MC, determine how much water will be removed from drying? 4. One hundred (100) bags of freshly harvested palay was dried to 14%MC and became 90 bags. Determine the fresh moisture content before drying. 5. Two tons of paddy with 22% moisture content on wet…Choose the correct answer Which of the following can be used to determine the transport velocity of landfill leachate in subsurface? A.Darcy’s law; B. Henry’s law; C. Mass balance; D. Langmuir model Which of the following descriptions is NOT correct at 1 atm and 0oC? 200 g CO2, 200 g CH4, and 200 g N2O gases have the same volumes; 200 moles CO2, 200 moles CH4, and 200 moles N2O gases have the same volumes; 1 mole CO2 gas has a volume of 22.4 L; CO2 has a lower global warming potential than CH4As a civil engineering student, explain to your client the need for laboratory compaction.