hydroponics
growing plants without soil.
ideal ph for plants
08-Jun
5 plant needs
nutrients, sun, structure, water, oxygen
hydroponics role in ww2
transportable, survive harsh conditions
what is a passive system, example
no pump, wick system
4 kinds of hydroponic lights
fluorescent, led, metal halide, hps
aquaponics
use of fish giving off nitrate
3 macronutrients
potassium, nitrogen, phosphorus
5 growing mediums
rock wool, lava rocks, clay pebbles, perlite
5 adv of hydroponics
better quality, less water, no weeds, small area, faster growth
5 disadvantages of hydroponics
expertise, cost, disease, time, labor
5 hydroponic units
flood & drain, wick, drip, bucket, nft
draw aquaponic system
fish give off nitrate (include)
draw active system
drip system
draw passive system
wick system
what are 3 micronutrients
boron, zinc, copper
list 5 active systems
drip.....