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Global warming

Climate Change Affects Agriculture, Study Finds

Strategic Insights

— 2 min read

Research published in the Paddy and Water Environment journal has shed light on the impact of climate change on agriculture, with a particular focus on the use of biological products as a safer alternative to chemicals. The study, conducted by Can Tho University and supported by the Economics Department of Long My Town, Hau Giang Province, aimed to evaluate the potency of purple nonsulfur bacteria (PNSB) strains in reducing the use of chemical nitrogen-phosphorus-potassium (NPK) fertilizers. The findings suggest that the use of PNSB biofertilizers can increase nitrogen availability, phosphorus solubility, and potassium exchangeability, while also reducing the uptake of heavy metals and increasing crop yields.

Key Takeaways:

  • The study found that the use of PNSB biofertilizers can increase nitrogen availability by 1.80-5.20 mg kg-1, phosphorus solubility by 11.2-13.8 mg kg-1, and potassium exchangeability by 0.216-0.233 meq 100 g-1 compared to conventional fertilization.
  • The study also found that the use of PNSB biofertilizers can reduce the uptake of heavy metals such as aluminum, manganese, and iron by 48.5%, 25.4%, and 43.8%, respectively, and increase crop yields by 9.15% compared to conventional fertilization.
  • The study recommends the use of 10 L ha-1 of PNSB biofertilizer (LPB) in rice seeds and soil to reduce the use of NPK fertilizers by 25% N, 50% P, and 50% K.
  • The study suggests that the use of PNSB biofertilizers can reduce the effects of climate change on crops, increase crop yield, and save production costs, ultimately improving farmers' livelihood and conserving the soil and water environment.

Statistics:

  • The study found that the use of PNSB biofertilizers can increase nitrogen availability by up to 5.20 mg kg-1.
  • The study also found that the use of PNSB biofertilizers can increase phosphorus solubility by up to 13.8 mg kg-1.
  • The study recommends the use of 10 L ha-1 of PNSB biofertilizer (LPB) in rice seeds and soil.
  • The study suggests that the use of PNSB biofertilizers can reduce the uptake of heavy metals by up to 48.5%, 25.4%, and 43.8%, respectively.

Sources:

  • Effects of rhodopseudomonas Palustris and rhodopseudomonas Pentothenatexigens On Reducing Chemical Npk Fertilizer Used for Rice In Acid Sulfate Soil Under Field Conditions. Paddy and Water Environment, 2025.
  • Can Tho University, College of Agriculture, Fac Crop Sci, Can Tho, Vietnam.
  • Springer Heidelberg, Tiergartenstrasse 17, D-69121 Heidelberg, Germany.
  • NewsRx. Findings from Can Tho University in the Area of Climate Change Reported (Effects of rhodopseudomonas Palustris and rhodopseudomonas Pentothenatexigens On Reducing Chemical Npk Fertilizer Used for Rice In Acid Sulfate Soil Under ...). Global Warming Focus. June 9, 2025; p 998.

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