improves Soil Fertilityincreases Yieldsworks Over A Controlled Long-period Of Time so Easy To Apply To The Soil At Sowing Or Planting Time To Give Your Young Plants A Real Boost.plus, So Easy To Apply When Planting In The Ground. Just Sprinkle At The Bottom Of Planting Holes & Fish, Blood & Bone Gets Working Straight Away To Get Your Soil In The Best Condition For Your Roots.just Water Your Plants In, & Let Fish, Blood & Bone Plant Food Do The Hard Work For You.effective, Rapid & Long-lasting For The Development Of Productive Crops As Well As A Range Of Other Plants.store In A Dry & Cool Place Like A Garage Or Basement & Your Fish, Blood & Bone Pack Will Last For More Than One Season.