Productivity of Pear Plantings Depending on the Content of Main Macroelemants (n, p, k) in the Soil after Optimized Fertilization
作者: R.V. YakovenkoP.G. KopytkoI.P. PetrishinaR.M. ButsykV.V. Borysenko
刊名: Indian Journal of Agricultural Research, 2020, Vol.54 (1), pp.77-82
DOI: 10.18805/IJARe.A-454
关键词: ConferenceFertilizationOsnovianskaPearVarieties optimum levelYield
原始语种摘要: The results of changes in the yield and quality of pear fruit on the clone rootstock of A quince grown again after a logged-off old pear tree garden using optimum levels of N and K2O content in the rooting soil layer in the presence of P2O5 in it more optimal level without fertilizers are given. Norms of nitrogen and potassium fertilizers are calculated on the basis of agrochemical soil analyzes in such quantities to compensate for the lack of N-NO3 (in terms of nitrification capacity of the soil) and available K2O forms for plant nutrition and bring their content to the optimal levels determined by studies for apples and recommended for pears. The studies have established that pear fertilizers are calculated on the basis of...
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  • nitrification 硝化酌
  • chemical 化学的
  • fertilizers 肥料
  • nitrogen 
  • introduction 导言
  • level 水准
  • higher 
  • given 已知的
  • recommended 推荐
  • optimal 最佳的