Compare Fall Fertilizers > GreenView Fairway Formula Fall Fertilizer GreenView with GreenSmart Fall Lawn Food GreenView with GreenSmart Lawn Food Guaranteed Analysis 30-0-12 22-0-10 22-0-4 Repairs summer damage from drought, heat and insects Yes Yes Yes Builds strong root systems Yes Yes Yes Promotes faster green up the following spring Yes Yes Yes Enhanced cool temperature performance Yes Yes Yes Weeks of feeding 12 8 8 Nitrogen sources MESAMETH-EX MESA MESA Phosphate Free Yes Yes Yes Cost per bag: 5,000 sq. ft. bag $29.99 $16.99 $15.99 10,000 sq. ft. bag $53.99 15,000 sq. ft. bag $39.99 $38.99 The guaranteed analysis of a fertilizer, commonly referred to as N-P-K, and is represented by three numbers: The first number, Nitrogen (N), promotes overall grass shoot growth. The second number, available Phosphate (P), promotes strong root growth. The third number, soluble Postash (K), helps grass withstand stress, drought or disease. For example, a 24-2-8 fertilizer has 24% nitrogen, 2% available phosphate and 8% soluble potash. MESA ™ provides rapid, deep greening without surge or excess growth. Meth-Ex ™ provides slow, continuous feeding activated by warming soil temperatures.