Average height of 10 trees planted on reclaimed, mined-over land
Growth factor added Nothing added 100 kg/ha N 50 kg/ha P 2 cm/wk water
no lime 56 45 63 50
lime added 85 170 58 62
Based on the data given in the Table, if the revegetation site were limed and fertilized with nitrogen, would you also recommend the addition of P fertilizer to improve tree growth?
A) yes B) no C) no basis to judge
C
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Fill in the blank(s) with the appropriate word(s).If the frequency applied to a capacitor increases, the capacitive reactance ________
A) remains the same B) varies up and down C) increases D) decreases
For installation of wood siding, the best option as fasteners are ________
A) Stainless steel nails B) Finish nails C) Hot-dipped galvanized nails. D) Aluminum nails
Hem-fir lumber is kiln-dried to make it straight and dimensionally stable.
Answer the following statement true (T) or false (F)