The Effects of Organic Manures and Silicon Nutrition on the Productivity of Rice

silicon atom · growth · Oryza sativa (rice)Results differ

156 papers in the same direction as this paper · 14 in the opposite direction

1. no effect
   Si fertilisation did not significantly affect rice shoot dry matter in Grey Vertosol except at the highest rate and pH 5.5.

   Silicon nutrition of rice is affected by soil pH, weathering and silicon fertilisation · 2011

   Opposite direction

2. no effect
   The authors observed no considerable reduction of rice growth from silicon absence during at least the vegetative stage.

   The chemical nature of silicon in rice plant · 1959

   Opposite directionAbout lacking this nutrient, so it counts the other way round

3. no effect
   Foliar silicon did not significantly affect rice seedling growth.

   Effects of foliar and soil application of sodium silicate on arsenic toxicity and accumulation in rice (Oryza sativaL.) seedlings grown in As-contaminated paddy soils · 2015

   Opposite direction

167 papers more in this group

silicon atom · yield · Oryza sativa (rice)Results differ

201 papers in the same direction as this paper · 16 in the opposite direction

1. no effect
   Silicon without fungicides and fungicides at full rate without silicon showed no differences in yield in upland rice.

   Effects of Silicon and Fungicides on the Control of Leaf and Neck Blast in Upland Rice · 2004 · compared with fungicides (full rate) without Si

   Opposite directionAbout lacking this nutrient, so it counts the other way round

2. no effect
   Silicon application produced no significant yield difference under high silica availability.

   Growth and canopy structure of rice plants grown under field conditions as affected by Si application · 2002 · compared with without Si application

   Opposite direction

3. negative
   Yield of rice was depressed at the higher Si rate (500 kg ha−1 compared with 250 kg ha−1) with potassium and sodium silicates in sandy-loam soil under W2 irrigation.

   Effects of different sources of silicon and irrigation regime on rice yield components and silicon dynamics in the plant and soil · 2020 · compared with 250 kg ha−1

   Opposite direction

214 papers more in this group

diatomaceous earth · growth · Oryza sativa (rice)Results agree

1 paper in the same direction as this paper

1. positive
   The combined N, S and Si treatment gave higher plant height (110.48 cm).

   Impact of nitrogen, sulphur and silicon application on the growth and yield of lowland rice (Oryza sativa L.) in the Cauvery delta zone of Tamil Nadu  · 2024

   Same direction

diatomaceous earth · yield · Oryza sativa (rice)Results agree

7 papers in the same direction as this paper

1. positive
   Diatomaceous earth applications increased rice grain yield under submergence in all three soils.

   Diatomaceous earth as source of silicon on the growth and yield of rice in contrasted soils of Southern India · 2018

   Same direction

2. positive
   Diatomaceous earth yielded over 45.0q/ha, significantly more than control at 36.66q/ha.

   Effect of organic and inorganic silicon amendments against yellow stem borer (Scirpophaga incertulas Walker) and leaf folder (Cnaphalocrocis medinalis Guenee) of rice in Costal Odisha · 2018 · compared with untreated control

   Same direction

3. positive
   Diatomite at 250 kg Si ha-1 with gypsum at 100% GR significantly increased rice yield.

   Evaluation of silicon and gypsum amendments on growth and yield of rice in an alkali soil · 2019

   Same direction

4 papers more in this group

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

669 papers in the same direction as this paper · 81 in the opposite direction · 8 reporting no difference from an alternative

1. negative
   Salt stress inhibited overall seedling growth.

   A hydroponic rice seedling culture model system for investigating proteome of salt stress in rice leaf · 2005

   Opposite direction

2. negative
   Higher nitrogen increased Wuyunjing23 plant height and inner culm diameters.

   Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application Rates · 2016

   Opposite direction

3. negative
   Increasing top-dressing N raised or reduced lodging rate as reported for two japonica rice varieties.

   Top-dressing nitrogen fertilizer rate contributes to decrease culm physical strength by reducing structural carbohydrate content in japonica rice · 2016

   Opposite direction

755 papers more in this group

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

3,182 papers in the same direction as this paper · 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

3,451 papers more in this group