Author Question: Based on the data given in the table, if the revegetation site were limed and fertilized with ... (Read 55 times)

james · **on:** Jul 22, 2018

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?

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 84 80

A) no B) yes C) no basis to judge

Question 2

The place where the manure pile was stored last year, a narrow strip that used to be a limestone gravel farm road, and the spot where fertilizer is usually transferred from a nurse truck to the tractor spreader are all examples of parts of a 25 hectare field that should be treated as follows when sampling soil for the soil test lab.

A) carefully avoided while sampling
B) more intensively sampled (more cores per hectare) than other areas
C) sampled more deeply than other areas
D) included, like all other areas, in the sample sent in for analysis
E) sampled and sent in separately

fwbard · **Reply #1 on:** Jul 22, 2018

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