Related by context. Frequent words. (Click for all words.) 68 fertilizers 68 chemical fertilizers 65 organic fertilizers 62 synthetic fertilizers 62 fertilizers pesticides 62 artificial fertilizers 61 herbicides 60 fertilizer 60 nitrogen fertilizers 59 manures 58 crop residues 58 nitrogen fertilizer 58 insecticides 57 pesticides 57 herbicides pesticides 57 biofuel feedstock 57 biofuel crops 56 monocultures 56 Herbicides 56 bio fuels 56 forage crops 56 synthetic pesticides 55 biomass feedstocks 55 agro chemicals 55 pyrethrum 55 forbs 55 crop residue 54 nitrogen fixing 54 crops 54 biopesticides 54 palm kernel oil 54 cereal crops 54 soil fertility 54 GMO seeds 54 rainfed 53 urea 53 fertile soils 53 agricultural residues 53 agrichemicals 53 seed germination 53 GMO corn 53 perennial grasses 53 cellulosic materials 53 feedstuffs 53 oilseed crops 53 crop rotations 53 unsaturated fatty acids 53 nutrient uptake 53 nutritive value 53 composted manure 53 phosphate fertilizers 53 pesticides herbicides 53 horticultural crops 52 cowpeas 52 transgenic plants 52 rice hulls 52 animal dung 52 areca 52 pyrethroids 52 cereal grains 52 agrofuels 52 hectarage 52 rice husks 52 pesticides fertilizers 52 humic acid 52 pelletized 51 nutrient runoff 51 irrigated crops 51 millets 51 Aloe vera 51 cultivable 51 nitrogen 51 foliar 51 livestock manure 51 fish emulsion 51 crop yields 51 renewable feedstocks 51 agronomic practices 51 acidifying 51 herbicide 51 linseed 51 Fertilizing 51 sugarcane 51 transgenics 51 feverfew 51 organic fertilizer 51 arable lands 51 insecticide 50 perennial ryegrass 50 insecticidal 50 soya bean 50 salt tolerant 50 grasses 50 urea fertilizer 50 forage 50 soil conditioner 50 toxic pesticides 50 biofuel 50 malunggay 50 mulches 50 chemical sprays