synergy effects of biochar and polyacrylamide on plants at thailand

synergy effects of biochar and polyacrylamide on plants at thailand
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  • Do biochar properties and soil conditions affect plant growth?
  • This meta-analysis will provide helpful information to elucidate the combined effect of biochar properties and soil conditions on plant growth, which is critical for developing engineered biochar with specific functionality to promote plant production and food security. 1. Introduction
  • Does biochar affect PPR?
  • Furthermore, the liming effect, improvement in soil physical structure, and increased nutrient use efficiency were suggested as the key mechanisms for the positive PPR in biochar-amended soils. Moreover, PPR could be significantly affected (strengthened or weakened) by the combined effect of biochar properties and soil conditions.
  • Does biochar affect plant productivity?
  • Grand mean of PPR was estimated to be 16.0% regardless of biochar/soil conditions. PPR varied from −31.8% to 974% under different biochar/soil combinations. Design of functional biochar according to initial soil conditions is needed. Biochar application in agricultural soils can be highly beneficial to plant productivity.
  • How to increase biochar utilization in agricultural soils?
  • In summary, we highlighted that, to increase the effective biochar utilization in agricultural soils, the properties of biochar should be selected carefully before their application to soils according to the conditions of targeted soils and specific problems to solve.