This Natural Plant Feed And Soil Conditioner Is A Mulch That Is Mixed Into The Soil Or Compost Before Planting, Or Used On The Surface As A Top Dressing.it Is Rich In Nitrogen, Phosphorous, Potassium And Other Trace Elements, It Is Broken Down Gradually By Organisms In The Soil As A Long-term, Slow Release Organic Plant Fertiliser.excellent At Retaining Water When Used As A Mulch On The Surface Or When Dug In To The Soil, Which Reduces Your Watering Requirements Through The Dry Summer Months. As A Mulch On The Surface It Also Helps To Suppress Weeds.natural Plant Feed And Soil Conditionerslow Release Plant Fertiliserapproved For Organic Growinghelps To Retain Moisture In The Soilsuppresses Weeds When Used As A Mulch npk: 4.1-2.2-3available In 16 Litre Tubs Or 50 Litre Bags