soil fertility and plant nutrition vocab Flashcards
1
Q
soil amendment
A
- promotes plant growth
- improved physical properties
- no guarantees of nutrients
- hay, straw, moss, mold, manure
2
Q
natural organic fertilizer
A
- has 1+ essential nutrients from plant/animal matter
- only changes are: drying, cooking, chopping, grinding, shredding, pelleting
3
Q
commercial fertilizer
A
more than 5% NPK, singly or collectively
4
Q
specialty fertilizer
A
packaged commercial fertilizer for home gardens, lawns, flowers
- less than 5% NPK individually or collectively
5
Q
complete fertilizer
A
has three primary macronutrients
6
Q
incomplete fertilizer
A
1-2 primary macronutrients
7
Q
organic fertilizer
A
composed of or derived from plant or animal material
8
Q
compost tea
A
control plant diseases
valuable as a secondary source of nutrients in a regular nutrition program
