Author Question: In the northern hemisphere the longest day of the year occurs on ________ and the shortest on ... (Read 94 times)

debasdf · **on:** Jul 22, 2018

In the northern hemisphere the longest day of the year occurs on ________ and the shortest on ________. On ________ and ________ the day is 12 hours long everywhere on earth. (these dates are approximate)

Fill in the blank(s) with correct word

Question 2

Which nutrients need to be applied in the ebb-and-flood solution and which in the NET solution?

What will be an ideal response?

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

Answer to Question 1

June 21; December 21; March 21 and September 21.

Answer to Question 2

Only nitrogen and potassium and possibly phosphorus in the ebb- and
flood system. All 12 essential fertilizer nutrients in the NFT system.