Potassium Flashcards
1
Q
what do plants do with K
A
open and close stomata
osmotic tricks
harder to freeze in fall
2
Q
what is the result of weak stomata
A
water loss
3
Q
can potassium fix nitrogen OD
A
yes
just not for the premature maturation of the plant
4
Q
how do plants beg for potsassium
A
yellow outer part of leaf
5
Q
what happens to 2:1 clay when potassium is introduced
A
K+ squeezes layers so tightly togehter that all of the water is squeezed out and it is a dry glue
6
Q
greensand
A
source for organic K
marine deposits with iron potassium silicate
7
Q
granite dust
A
source for organic K
slow release lasts a long time
