Answer:

compost

Answer	Crossword Clue
COMPOST	Use for coffee grounds
COMPOST	Stuff in a heap
COMPOST	Process table scraps

COMPOST	Organic farmer's fertilizer
COMPOST	Soil renovator
COMPOST	Gardener's byproduct
COMPOST	Soil fertilizer
COMPOST	Soil enhancer
COMPOST	Fertilizing mixture
COMPOST	Gardener's supply
COMPOST	Refuse to help in the garden?

COMPOST	Homemade fertilizer

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.