Answer:
2.
a)rock phosphate
b)organic compost
c)synthetic fertilisers
d)bone meal
3.
a)increase root development, and produce flowers.
b)feed microorganisms
Step-by-step explanation:
Rock phosphate – a slower acting source where the soil needs to convert the rock phosphate into phosphorous that the plants can use.
synthetic Fertilizers – applying a fertilizer with high phosphorous
Organic compost – adding quality organic compost to your soil will help increase phosphoos content
Bone meal – a fast acting source that is made from ground animal bones which is rich in phosphorous.