O-DAP plus micronutrients combined with Nano silicon plus complete spray gave the highest leaf chlorophyll content.

silicon atom · physiology: pigments · Oryza sativa (rice)Positive and negative results

35 papers in the same direction as this claim · 1 in the opposite direction · 1 reporting no difference from an alternative

1. negative
   During complete submergence, Si-treated seedlings showed a higher reduction in chlorophyll and non-structural carbohydrate concentrations than the control.

   Application of silica before sowing negatively affects growth and survival of rice following submergence · 2011 · compared with control

   Opposite direction

2. no effect
   Extracted silicon from rice husk ash and silicon liquid fertilizer did not clearly differ in rice chlorophyll and root vigor.

   Effects of Extracted Silicon from Rice Hull Ash on Rice Seed Germination · 2012 · compared with silicon liquid fertilizer

   No difference from an alternative

3. positive
   Si application significantly increased flag leaf area, chlorophyll content and Si content of MR219.

   Influence of silicon on growth, yield, and lodging resistance of MR219, a lowland rice of Malaysia · 2017

   Same direction

4. positive
   Carotenoid concentrations were significantly greater with silicon.

   Alterations in Gas Exchange and Oxidative Metabolism in Rice Leaves Infected byPyricularia oryzaeare Attenuated by Silicon · 2015 · compared with -Si plants

   Same direction

5. positive
   Silicon added to rice under Cd stress significantly improved morphological parameters, chlorophyll score and Fv/Fm compared with controls.

   Silicon induces phytochelatin and ROS scavengers facilitating cadmium detoxification in rice · 2020 · compared with controls

   Same direction

6. positive
   Silicon increased rice height, chlorophyll content and dry weight.

   Silicon application promotes rice growth and negatively affects development of Spodoptera frugiperda (J. E. Smith) · 2017

   Same direction

7. positive
   Silicon increased chlorophyll b under normal and osmotic stress conditions.

   Silicon Stimulates Plant Growth and Metabolism in Rice Plants under Conventional and Osmotic Stress Conditions · 2021

   Same direction

8. positive
   Combined Si, N and P significantly improved rice chlorophyll concentration after flood recovery.

   Combined application of silica and nitrogen alleviates the damage of flooding stress in rice · 2015

   Same direction

29 papers more in this group

micronutrient · physiology: pigments · Oryza sativa (rice)Positive and negative results

4 papers in the same direction as this claim · 1 reporting no difference from an alternative

1. no effect
   Rice biomass, biological properties, chlorophyll and IAA contents did not differ significantly between amino acid and EDTA chelated micronutrient fertilizers.

   Response of Rice Cultivated in Aerobic Soil to Amino Acid Chelated Micronutrient Fertilizer · 2006 · compared with EDTA chelated micronutrient fertilizers(EDTA-Met)

   No difference from an alternative

2. positive
   Micronutrient treatment significantly increased rice chlorophyll content relative to the control.

   Effect of Different Micronutrient Treatments on Rice (Oriza sativa L.) Growth and Yield under Saline Soil Conditions · 2011 · compared with the control

   Same direction

3. positive
   Micronutrient applications improved rice chlorophyll contents.

   Quality and antioxidant activity of rice grown on alluvial soil amended with Zn, Cu and Mo · 2015

   Same direction

4. positive
   The T10 foliar treatment recorded the highest SPAD chlorophyll values (45.7, 46.8, 48.6 and 44.5).

   Promotional Effect of Water Soluble Fertilizers on Growth and Yield of Lowland Rice · 2020

   Same direction

5. positive
   Longdeng micronutrient fertilizer increased rice chlorophyll content.

   Effects of Longdeng Micronutrients Fertilizer Application on Rice · 2012 · compared with conventional fertilization

   Same direction

nanoparticle · physiology: pigments · Oryza sativa (rice)Positive and negative results

30 papers in the same direction as this claim · 2 in the opposite direction

1. positive
   Nano (K + Ca) spraying gave the highest chlorophyll content of rice, 39.71 SPAD.

   Response of Rice (Oryza sativa L.) to Silica Fertilization and Spraying with Nano-Potassium and Calcium · 2021

   Same directionCites this paper

2. positive
   NPK, organic NPK and nano-vanadium gave the highest chlorophyll index of 40.80 SPAD.

   Effect of NPK, NPK Organic Fertilizers and Spraying Nano-Vanadium and Nano-Selenium on the Growth and Yield of Rice · 2022

   Same directionCites this paper

3. positive
   The same combination gave the highest chlorophyll index.

   Effect of Silica, Bio-Organic Fertilizers, and Spraying of Nano-Titanium and Nano-Cobalt on the Growth and Yield of Rice · 2022

   Same directionCites this paper

4. no effect
   CNPT caused no visible chlorosis or necrosis up to 1000 ppm.

   Evaluation of Tricyclazole-Encapsulated Chitosan Nanoparticles Against Blast Disease and on Physiological Attributes of Rice · 2025

   Opposite direction

5. no effect
   Y2O3 nanoparticles did not significantly affect visible growth traits or leaf chlorophyll status of rice seedlings.

   Non-Essential Element-Based Nanoparticles in Rice: Unraveling the Impacts of Yttrium Oxide and Zirconium Oxide Nanoparticles on Root Accumulation and Antioxidant Responses · 2026

   Opposite direction

6. positive
   ZnO nanoparticles increased rice SPAD value by 40% under Cd stress.

   Zinc oxide nanoparticles alleviates the adverse effects of cadmium stress on Oryza sativa via modulation of the photosynthesis and antioxidant defense system · 2021

   Same direction

7. positive
   ZnO NPs restored chlorophyll accumulation in chilling-stressed rice.

   Zinc Oxide Nanoparticles Alleviate Chilling Stress in Rice (Oryza Sativa L.) by Regulating Antioxidative System and Chilling Response Transcription Factors · 2021

   Same direction

8. positive
   At 100 mg/kg chromium, foliar application of Fe NPs from 0 to 20 mg/L increased the total chlorophyll contents from 2.8 to 3.9.

   Combined Role of Fe Nanoparticles (Fe NPs) and Staphylococcus aureus L. in the Alleviation of Chromium Stress in Rice Plants · 2022

   Same direction

24 papers more in this group