Oil palm Diseases and pests 143 Congresses 74 Case studies 72 Palm oil industry 68 Research 66 Palm oil 65 больше ... Ganoderma 50 Ganoderma diseases of plants 40 Analysis 38 Soils 36 Periodicals 29 Seedlings 25 Breeding 24 Fertilizers 21 Genetics 21 Machinery 21 Planting 21 Control 19 Agricultural wastes 17 Residues 17 Agriculture 16 Biomass energy 16 Economic aspects 16 Waste disposal 16 Plantations 13 Composite materials 12 Environmental aspects 12 Palm products 12 Rubber 11 меньше ...