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Chemical and Biological Technologies in Agriculture

Table 1 Fertilization and sampling scheme of the experiment

From: Synergistic effect of organic and inorganic fertilization on the soil inoculum density of the soilborne pathogens Verticillium dahliae and Phytophthora spp. under open-field conditions

  1. Red: the entire experimental field was fertilized with 1.5 t BRX ha−1. Blue: fertigation of the entire experimental field with 50 kg urea phosphate ha−1 at the beginning of September, and with 150 kg urea ha−1 at the end of September. Orange: application of CMW, SMC, OPR and BRX according to the “Materials and methods” section. Purple: the entire experimental field was fertilized with 1 t 15:15:15 ha−1. Yellow: fertigation of the entire experimental field with 150 kg ammonium sulphate ha−1. Red and black: the entire experimental field was fertilized with 800 kg BRX ha−1 and 400 kg calcium cyanamide ha−1. Green: crop cycles
  2. T0: Chemical analyses, total soil culturable fungi and bacteria, population density of V. dahliae and Phytophthora spp. before application of biomasses; T1: all microbial analyses after treatments; T2: total soil culturable fungi and bacteria; T3: all analyses at harvest; T4: chemical analysis before the application of biomasses; T5 and T6: total culturable soil fungi and bacteria; T7: all microbial analyses at harvest; T8: check of the residual effect of biomasses on the population density of V. dahliae and Phytophthora spp
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