Discuss three conservation practices that forage radish provides for our
environment. What other cover crops are beneficial for enriching or protecting
the soil?
What will be an ideal response?
Forage radishes take up nitrogen, phosphorous, and potassium (N-P-K) from both the
topsoil and the subsoil layer, storing the nutrients in their shoots and root biomass.
Forage radishes also catch rain drops, minimizing soil-surface impact by controlling the
loss of soil particles. The foliage also helps to control weed growth in the nursery,
thereby reducing use of herbicides. Even after radishes are killed by a hard freeze, a
layer of (pungent) decomposing residue remains on the soil surface throughout the
winter and into the early spring, providing erosion control
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On many vehicles the fuel pump is directly powered by the PCM.
Answer the following statement true (T) or false (F)
Saturated liquid R-134a at 120 psia enters a throttling valve. The R-134a exits the throttling valve at a pressure of 30 psia. Assume that there is no change in velocity.
(a) Determine the exit quality of the R-134a. (b) Using your model of a throttling device, determine the exit quality of the R-134a for exit pressures ranging from 20 psia to 100 psia. Given: P1 = 120 psia; x1 = 0 (saturated liquid); P2 = 30 psia R-134a (Take State 1 as the inlet, State 2 as the outlet.) Assume: Q?=W?=0. For a throttling valve, assume steady-state, steady-flow, single-inlet, single-outlet flow, with ?KE = ?PE = 0 What will be an ideal response?
Most plants with woody stems are annuals
Indicate whether the statement is true or false
A two-story building is 60 X 40 with 10-foot ceilings. The ceiling consists of plaster and lath, over which 1/2" insulation has been laid. What is the expected BTUH loss with a temp differential of 25 degrees?
Fill in the blank(s) with the appropriate word(s).