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Effect and mechanism of organic-inorganic compound fertilization on chemical fertilizer utilizationI. Effect of urea compounded with organic material on maize yield and fertilizer utilization Study on the enhancement and mechanism of organic-inorganic compound fertilization on inorganic fertilizer utilization II. Effects of ammonium phosphate combined with organic material on Effect of organic/inorganic compound fertilizer on the yield of crop and fodder double-cropping system in the Tibetan Plateau Effects of organic-inorganic compound phosphorus fertilizer on transformation of inorganic phosphorus pool in lime soils Responses of rice-wheat rotation system in south Jiangsu to organic-inorganic compound fertilizers. Studies on production of organic-inorganic compound fertilizer by utilizing the lees of grape wine Comparison of determination methods of organic matter content of organic inorganic compound fertilizers Screening of synergistic inorganic compounds for Bacillus thuringiensis engineering strain WG-001 WP Effects of inorganic compounds on the behaviour of the plant-parasitic nematode Meloidogyne incognita