density · Yield · Ricinus communis (castor bean)

Effects of Plant Population on Castorbean Yield¹ · 1970

• positive
  Low plant population in nonirrigated tests increased the number of racemes per sequential set and the yield of all sets of racemes.

cited by 1 paper here

Effect of Spacing on Yield and Yield Components of Castor (Ricinus communis Linn) · 1977

• positive
  A 60cm intra-row spacing significantly increased yield relative to 75cm and 90cm.

  compared with 75cm and 90cm

Evaluation of castor (Ricinus communis) genotypes for productivity, economics, litter fall and changes in soil properties under different levels of inter-row spacing and nitrogen · 2001

• positive
  At 98 cm spacing, maximum seed yield was 26.5 qlha.
• positive
  At 98 cm spacing, maximum net return was Rs 23,420lha.
• positive
  At 98 cm spacing, maximum harvest index was 9.72%.

Effects of Different Planting Density on Growth and Development and Yield of Castor Beans(Ricinus communis L.) · 2012

• positive
  Yield at 6 825 and 8 530 plants/hm2 was more than 10% above CK.

  compared with CK

Effect of Intercropping Castor with Maize and Beans on Growth, Yield and Seed Oil Content · 2013

• positive
  The castor-bean intercrop yielded 2.15 - 2.43 tons seeds ha-1 yr-1 for castor.

Response of Wider Spaced Drip Irrigated Rabi Castor to Intra-Row Spacing under Varying N Levels · 2013

• positive
  Intra-row spacing of 120 cm produced significantly higher seed yield per plant.
• positive
  Intra-row spacing of 120 cm produced significantly more branches, leaves and spikes per plant.

Performance of Castor Bean Selects In Saline Sodic Soil · 2016

• positive
  Lower planting density increased harvest index to 8.0%.
• positive
  Lower planting density increased seed yield per plant to 55.6 g.

Effect of sowing date and plant spacing on growth, yield and quality of castor (Ricinus communis L.) in Transitional Luni Basin Plain Zone of Rajasthan · 2016

• positive
  At 90x60 cm spacing, yield components were significantly higher.

  compared with 90x 45 cm and 60x45 cm plant spacing

• positive
  At 90x60 cm spacing, net return and BC ratio were significantly higher.

  compared with 90x 45 cm and 60x45 cm plant spacing

• positive
  At 90x60 cm spacing, growth traits were significantly higher than at narrower spacings.

  compared with 90x 45 cm and 60x45 cm plant spacing

Morphological, Physiological and Proteomic Analyses Provide Insights into the Improvement of Castor Bean Productivity of a Dwarf Variety in Comparing with a High-Stalk Variety · 2016

• positive
  Zhebi 26 at a higher planting density of 36,000 seedlings/hm² achieved a higher yield than Zhebi 100 at 12,000 seedlings/hm².

  compared with Zhebi 100 (12,000 seedlings/hm²)

Growth and Yield of Hybrid Castor (Ricinus communis L.) under Different Spacing during Rabi Season in Tamil Nadu · 2017

• positive
  Wider spacing increased castor spike number.
• positive
  Wider spacing increased effective spike length in castor.

Growth and Yield of Hybrid Castor (Ricinus communis L.) under Different Spacing during Rabi Season in Tamil Nadu · 2017

• positive
  Wider spacing improved spike number and effective length.

Intercropping of mungbean at different row patterns under various row spacings of rabi castor (Ricinus communis L.) · 2018

• positive
  Two mungbean rows between castor at 150 cm gave significantly higher castor seed equivalent yield than sole mungbean.

  compared with sole mungbean

The effect of crop geometry on physiological characters to influence of seed and oil yield of hybrid castor · 2018

• positive
  Spacing of 120×120 cm gave higher dry matter production and leaf area index in hybrid castor.

  compared with different crop geometry

Effect of plant geometry on castor under conserved moisture condition at Ratia (Ghed), Gujarat · 2020

• positive
  Inter-row spacing of 120 cm gave seed yield of 1093 kg/ha in 2017-18, significantly higher.
• positive
  Inter-row spacing of 120 cm gave pooled seed yield of 1049 kg/ha, significantly higher.
• positive
  Inter-row spacing of 120 cm gave seed yield of 1196 kg/ha in 2018-19, significantly higher.
• positive
  Inter-row spacing of 120 cm gave seed yield of 969 kg/ha in 2016-17, significantly higher.

POTENTIAL AGROFORESTRY SYSTEMS FOR SEMIARID REGIONS · 2021

• positive
  Castor yield was higher at 10 m x 3 m spacing.
• positive
  Castor yield was higher at 10 m x 3 m spacing.

Plant Density Differentially Influences Seed Weightin Different Portions of the Raceme of Castor · 2023

• positive
  Decreasing spacing increased seed yield per unit area through larger plant populations.
• negative
  Reduced in-row spacing significantly reduced castor seed yield per plant.
• negative
  At 30 cm spacing, seed fresh weight yield decreased.
• negative
  Reducing spacing decreased seed weight in the basal raceme portion.
• negative
  Reducing spacing decreased seed yield in the basal raceme portion.

Response of castor (GCH 10) to spacing and nitrogen under irrigated condition · 2025

• positive
  Spacing 120 x 60 cm significantly increased capsule number, raceme number and seed yield of castor compared with 150 x 75 cm.

  compared with treatment S2: 150 x 75 cm

Irrigation is a Decisive Factor for Obtaining Higher Economic Viability of Dwarf Castor Hybrids Cultivation in Tropical Fall–Winter Conditions · 2026

• positive
  Higher density increased irrigated grain yield by 69.28% on average.
• positive
  Higher density increased irrigated operating profit by 97.97% on average.