Related by context. Frequent words. (Click for all words.) 70 nitrogen phosphorus 58 nutrient 57 phosphorus 56 nitrogen 54 fish emulsion 54 phosphorous 54 dissolved solids 54 alkalinity 53 sulphate 53 macronutrients 53 nutrients 53 lawn fertilizers 52 calcium magnesium 52 pine bark 52 nutrient loading 52 pollutants 52 chlorides 51 manures 51 oxalic acid 51 oxalate 51 mineral salts 50 Sulfate 50 composted manure 50 acidifying 50 trace minerals 50 nitrous oxides 50 Nitrogen oxides 50 organic acids 50 unsaturated fatty acids 50 micronutrients 49 peroxides 49 phosphates 49 soil pH 49 atmospheric nitrogen 49 nitrogen fixing 49 soils 49 sodium potassium 49 granular fertilizer 48 ammonium sulfate 48 calcium potassium 48 sulphates 48 aldehydes 48 worm castings 48 fertilizers 48 nitrogen fertilizer 48 Fertilizing 48 phosphate 48 herbicides pesticides 48 iron manganese 48 nitrogen fertilizers 47 potassium 47 Nitrogen 47 arsenic mercury 47 calcium sulfate 47 adsorb 47 naturally occurring substances 47 nitrates 47 livestock manure 47 contaminants 47 sodium nitrate 47 dark leafy greens 47 nutrient runoff 47 Saturated fats 47 Acidic 47 diatomaceous earth 47 dischargers 47 Saturated fat 47 fertilizer 47 nutrient rich 47 alkali 47 diatoms 47 chemicals 46 sediment 46 sulfate 46 foliar 46 copper Cu 46 albedo 46 pyrethroids 46 photosynthesize 46 selenium 46 disinfection byproducts 46 forbs 46 evenly moist 46 sulfates 46 phenols 46 alkaline 46 sphagnum moss 46 Baking soda 46 naturally occuring 46 salts 46 fertilizers pesticides 45 aluminum sulfate 45 mulches 45 anions 45 dissolved oxygen 45 phytate 45 composts 45 phytoplankton 45 nitrogen fixation 45 Chlorophyll 45 wheat bran