MFP raised grain yield 30.3% against control in low fertility soil.

fertilization · yield · Oryza sativa (rice)Positive and negative results

3,182 papers in the same direction as this claim · 207 in the opposite direction · 65 reporting no difference from an alternative

1. no effect
   Current high nitrogen practices do not significantly raise crop yields relative to optimum fertilization.

   Reducing environmental risk by improving N management in intensive Chinese agricultural systems · 2009 · compared with knowledge-based optimum N fertilization

   Opposite direction

2. no effect
   CRFs had no effect on crop yield.

   Effect of Enhanced Efficiency Fertilizers on Nitrous Oxide Emissions and Crop Yields: A Meta‐analysis · 2016

   Opposite direction

3. negative
   The authors found fertilizer and irrigation investment had limited effects on rice production.

   Moving toward rice self-sufficiency in sub-Saharan Africa by 2030: Lessons learned from 10 years of the Coalition for African Rice Development · 2021

   Opposite direction

4. negative
   Green manure and rice straw nitrogen, alone or in combination with inorganic N, gave lower grain yield, agronomic efficiency and apparent nitrogen uptake than a standard split application of prilled urea.

   Long-term Comparison of the Agronomic Efficiency and Residual Benefits of Organic and Inorganic Nitrogen Sources for Tropical Lowland Rice · 1996 · compared with a standard split application of prilled urea

   Opposite direction

5. negative
   Without P fertilization, rice produced no panicles or grain.

   Nitrogen, Phosphorus and Potassium Interactions in Upland Rice · 2014

   Opposite direction

6. negative
   Broadcast and split prilled urea left 11 to 35% of applied nitrogen unrecovered at harvest.

   Nitrogen‐15 Balance and Residual Effects of Urea‐N in Wetland Rice Fields as Affected by Deep Placement Techniques · 1984

   Opposite direction

7. no effect
   Cow dung manure rates did not significantly affect grain yield or greenhouse gas emissions.

   Influence of rice varieties, organic manure and water management on greenhouse gas emissions from paddy rice soils · 2021

   Opposite direction

8. negative
   Rice grain yield declined under control and sub-optimal fertilizer inputs.

   Yield trends and nutrient budgeting under a long-term (28 years) nutrient management in rice-wheat cropping system under subtropical climatic condition · 2014

   Opposite direction

3,446 papers more in this group