The integrated weed management sequence gave the highest net returns in both years.

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. positive
   The integrated brown manuring and herbicide practices improved rice yield attributes, yields, and harvest index.

   Effect of crop establishment methods and weed management practices on weed flora and yield of direct-seeded rice (Oryza sativa) · 2001

   Same directionCites this paper

2. positive
   Pendimethalin followed by Sesbania brown manuring significantly increased rice grain yield to 2.78 t/ha.

   Influence of nitrogen and weed-management practices on crop-growth indices and productivity of dry direct-seeded rice (Oryza sativa) · 2023 · compared with other treatments

   Same directionCites this paper

3. positive
   Puddled transplanted rice with 100% NPK and Sesbania had the highest rice grain yield of 4.3 t ha ‒1.

   Effect of Sesbania aculeata as brown manure on grain yield and partial factor productivity of nutrients in dry direct seeded rice-wheat system · 2023

   Same directionCites this paper

4. 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

5. 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

6. 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

7. 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

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

   Nitrogen, Phosphorus and Potassium Interactions in Upland Rice · 2014

   Opposite direction

3,446 papers more in this group