calcium atom · Yield · Arachis hypogaea (peanut)

Crop Response to Different Soil Fertility Levels in a 5 by 5 by 5 by 2 Factorial Experiment: II. Peanuts · 1956

• positive
  Calcium gave significant peanut yield responses in three out of four years.

Physiological Studies on the Fructification of Peanut : 7. The influence of Ca deficiency in rooting zone on growth, fruiting characteristics and chemical composition of the plant. · 1961

• positive
  Calcium deficiency after early growth significantly hindered top growth, flower production, and peg and pod formation.

  About lacking this nutrient, so it counts the other way round

Physiological Studies on Fructification of Peanut : 9. The influence of mineral deficiency in the fruiting zone on the fruit production and chemical composition of peanut. · 1963

• positive
  Minus calcium solution increased production of unfilled fruit.

  About lacking this nutrient, so it counts the other way round

Physiological Studies on Fructification of Peanut : 10. Relation between various nutrient treatments in the fruiting zone and organic acid content of fruit. · 1963

• positive
  Six nutrient treatments increased unfilled fruit production.

  About lacking this nutrient, so it counts the other way round

Comparison of Calcium and Boron Deficiencies of the Peanut I. Physiological and Yield Differences¹ · 1966

• positive
  Without calcium the peanut yield usually was lower than in normal plants.

  compared with normal peanutsAbout lacking this nutrient, so it counts the other way round

Effect of Calcium and Bradyrhizobium Inoculation of the Growth, Yield and Quality of Groundnut (A. hypogaea L.) · 1970

• positive
  Calcium significantly improved yield attributes up to 150 kg/ha, followed by decline.

cited by 3 papers here

Effect of Calcium Source, Rate, and Time of Application on Soil Calcium Level and Yield of Peanuts (Arachis hypogaea L.)1 · 1974

• positive
  Applying the Ca sources increased peanut yield and grade in one field study, with a positive response similar across the three materials.

cited by 1 paper here

Boron, Calcium, and Potassium Interactions in Spanish Peanuts · 1975

• positive
  High Ca without applied B increased greenhouse yield.
• no effect
  Field yield response to B and Ca applications was not significantly different.

Effect of phosphorus, potassium, and calcium on peanuts at Mauke (Cook Islands) · 1975

• positive
  Phosphorus and calcium together gave large increases in peanut yield relative to either element applied separately.

  compared with either element applied separately

Effect of Calcium and Irrigation Treatments on Peanut Yield, Grade and Seed Quality1 · 1976

• positive
  Calcium application slightly but consistently increased yield at all planting dates.

cited by 1 paper here

Influence of Calcium Application on Yield of Groundnut · 1977

• positive
  Calcium application increased groundnut shoot (haulm) yield at Tindivanam.
• positive
  Calcium addition increased the number of matured pods and kernel yield of groundnut.

Response of Early Bunch Peanuts to Calcium and Potassium Fertilization1 · 1979

• positive
  Calcium increased yield, sound mature kernels and extra large kernels on Fuquay and Tifton soils.
• no effect
  Calcium did not increase those traits on Greenville sandy loam.

cited by 1 paper here

Effect of Three Ca Sources Applied On Peanuts I. Productivity and Seed Quality1 · 1980

• positive
  All calcium treatments improved kernel size grades in 1977.
• positive
  Calcium treatments increased 1977 crop value by $343 to $889/ha.

  compared with check

• positive
  Calcium treatments increased 1977 peanut yield by 360 to 1,200 kg/ha.

  compared with check

• positive
  Early flowering calcium application gave higher productivity than earlier applications.

  compared with earlier applications

The nutrition of peanuts on cockatoo sands of the Ord River Valley · 1982

• positive
  Calcium improved kernel weight and shelling percentage.

Effect of Calcium and Sulphur application on the yield of dry matter, pod and kernel of POL. 2 groundnut grown in two soils collected from the major groundnut growing tracts of Tamil Nadu · 1982

• positive
  Calcium and sulphur application significantly increased root and shoot haulm yield.
• positive
  For Tindivanam soil, 150 kg Ca/ha and 120 kg S/ha substantially increased pod and kernel yield.

Involvement of Nutrition and Fungi in the Peanut Pod Rot Complex · 1984

• positive
  Calcium source treatments generally increased peanut yield.

  compared with other treatments

NUTRIENT UPTAKE - POD YIELD RELATIONSHIP DUE TO MACRO AND MICRONUTRIENTS IN RAINFED SPANISH GROUNDNUT · 1984

• positive
  Combined Ca and S affected yield more than either alone.

  compared with their individual effect

• positive
  Farm mixture of Ca and S or gypsum added to NPK significantly increased yield.

  compared with NPK

Soil Fertility Responses of Virginia‐type Peanut Cultivars¹ · 1986

• positive
  Yield, grade factors and germination were higher for the high fertility plus Ca treatment than for other fertility treatments.

  compared with other fertility treatments

Preliminary Investigation of a 'Peg Drying' Problem of Groundnut · 1995

• positive
  Calcium and/or boron improved groundnut growth, root mass, peg and pod numbers, and pod filling.

Peanut Response to Prohexadione Calcium in Three Seeding Rate–Row Pattern Planting Systems · 2001

• positive
  Prohexadione Ca increased pod yield by 160 kg ha −1.

cited by 1 paper here

Effects of calcium and boron on the growth, yield and quality of peanut · 2001

• positive
  Combined calcium and boron increased peanut yield, with calcium the main effect.
• positive
  Calcium fertilizer increased peanut yield.

Study on the Proper Combined Application of Calcium and Boron to Peanuts · 2001

• positive
  Combined calcium and boron application increased peanut production by 19.72% compared with no application.

  compared with withoat application

Influence of Prohexadione Calcium on Pod Yield and Pod Loss of Peanut · 2002

• positive
  Prohexadione Ca increased combined peanut yield by 220 kg ha-1 compared with nontreated peanut, regardless of digging date and lifting

  compared with nontreated peanut

• positive
  Prohexadione Ca at 140 g a.i. ha-1 increased peanut pod yield by 310 kg ha-1 when pooled over 19 sites
• positive
  Prohexadione Ca at 140 g a.i. ha-1 increased row visibility at harvest in peanut when pooled over 19 sites
• no effect
  Prohexadione Ca did not affect maximum yield of peanut (pods left in soil, on the surface and combined)

cites 1 paper here

Influence of Prohexadione Calcium on Pod Yield and Pod Loss of Peanut · 2002

• positive
  Prohexadione Ca increased row visibility at harvest in peanut.
• positive
  Prohexadione Ca increased peanut pod yield by 310 kg ha−1 when pooled over 19 sites.
• positive
  Prohexadione Ca increased combined peanut yield by 220 kg ha−1 compared with nontreated peanut, regardless of digging date and lifting.

  compared with nontreated peanut

• no effect
  Prohexadione Ca did not affect maximum peanut yield.

Peanut (Arachis hypogaea) Response to Agricultural and Power Plant By-Product Calcium · 2004

• positive
  Both calcium sources increased peanut yield by up to 25% over the non-treated control.

  compared with non-treated control

Effect of calcium on peanut plant growth and defence system of active oxygen in leaves · 2004

• positive
  High calcium level stress gave peanut pods that were much more, bigger and filled.

cited by 1 paper here

Effects of Different Application Rates of N,P,K,Ca Fertilizer on Photosynthesis Properties,Yield and Kernel Quality of Peanut · 2006

• positive
  Pod yield of peanut was highest when P, K and Ca were applied at middle rates.

Effects of Different Ca Applications on Physiological Characteristics, Yield and Quality in Peanut · 2008

• positive
  Calcium significantly increased peanut kernel weight.
• positive
  Calcium increased peanut pod weight, kernel rate and pod number per plant.

Interactions of pod-zone pH and Ca concentrations on reproductive growth of groundnut (Arachis hypogaea L.) · 2009

• positive
  Increasing calcium from 500 to 2000 µM at low pH had limited ameliorative effects on pod-set.
• positive
  Increasing calcium from 500 to 2000 µM at low pH had limited ameliorative effects on pod and seed mass, with higher positive responses at pH 5.0.

[Effects of applying calcium on peanut physiological characteristics, its yield and kernel quality under cadmium stress]. · 2011

• positive
  Calcium increased peanut pod yield.
• positive
  Calcium increased pod number per peanut plant and kernel number per pod.
• positive
  Calcium increased peanut kernel yield.

Effects of silicon,calcium on growth and yield of the peanut variety Zhengnonghua 9 · 2011

• positive
  A calcium combination increased yield significantly more than calcium-free fertilizer.

  compared with calcium-free fertilizers

• positive
  Calcium had the greatest impact on peanut yield components.
• positive
  Yield increased by 0.85% to 14.7%.

Development and Application Effect of Calcium Fertilizer on Preventing Sterile Pod of Peanut · 2011

• positive
  Applying the calcium fertilizers increased the yield of peanut.

INTERACTIONS OF POD-ZONE PH AND CALCIUM CONCENTRATION ON FRUCTIFICATION OF GROUNDNUT GROWN IN SOLUTION CULTURE · 2012

• positive
  Increasing calcium at low pH had limited ameliorative effect on pod set and mass.

cites 1 paper herecited by 1 paper here

Effect of Potassium and Calcium Application on Yield, Yield Components and Qualitative Characteristics of Peanut (Arachis hypogaea L.) In Guilan Province, Iran · 2012

• positive
  Increasing calcium application along with potassium increased the pod and kernel yield of peanut.
• positive
  Calcium from gypsum at 90 kg gave the highest pod yield, better than the other rates.

  compared with the rest

cited by 4 papers here

Effects of Spray Application of Microelement Fertilizer on Peanut Yield and Quality · 2012

• positive
  Spraying single microelement fertilizers (P, Zn, Ca, Mo) increased peanut seed kernel yield by 6.66%-8.96%.
• positive
  Spraying B and Ca fertilizers increased peanut seed kernel yield to 3 714.8 kg/ha, a 14.21% increase.
• positive
  Spraying B and Ca fertilizers increased peanut pod yield to 5 309.8 kg/ha, a 12.44% increase.
• positive
  Spraying single microelement fertilizers (P, Zn, Ca, Mo) increased peanut pod yield by 6.00%-8.38%.

Effects of Calcium Fertilizer Application on Peanut Physiological Characteristics and Yield under Drought Stress · 2013

• positive
  Calcium fertilizer significantly increased pod and kernel yield.
• positive
  Calcium fertilizer increased kernel rate and pod number per plant.

Effects of exogenous calcium and soil moisture at acicula forming stage of peanut on some physiological characteristics of plants · 2013

• positive
  Pod yields of peanut increased by 12.2%-19.4% with increasing calcium fertilizer levels.

Effects of Different Topdressing Conditions on Photosynthetic Characteristics and Yield for Peanuts under Mulched Drip Irrigation · 2015

• positive
  Peanut yield ranked T4 above T3, T2, T1 and T5.

  compared with T3 (N+PK)

• positive
  Adding Ca with sufficient NPK slightly increased peanut yield versus NPK alone.

  compared with T3

[Effects of calcium fertilizer application on peanut growth, physiological characteristics, yield and quality under drought stress]. · 2015

• positive
  Calcium fertilizer under drought stress increased pod and kernel yields of peanut, through a higher kernel rate and pod number per plant.

The Effect of Combining Calcium, Nitrogen and Phosphorus Fertilizer Application on Groundnut Yield in Smallholder Farmers’ Sole Cropping System · 2017

• positive
  Calcium, nitrogen and phosphorus alone or combined significantly increased groundnut 100 seed weight.
• positive
  Calcium, nitrogen and phosphorus alone or combined significantly increased groundnut haulm, pod and kernel yields.

cites 1 paper here

Characterization of low Ca2+ stress-induced embryo apoptosis response genes and their regulation of embryo development · 2017

• positive
  Calcium-rich soil improved pod filling.

[Effects of exogenous Ca²⁺ on growth and development, physiology and yield of peanut under salt stress]. · 2017

• positive
  Exogenous calcium enhanced pod yield of peanut under salt stress.

Enhancing Kharif Groundnut (Arachis hypogaea L.) Yield and Quality through Foliar Nutrition · 2018

• positive
  Calcium nitrate spray produced the highest haulm yield of 39.1 q ha-1.

Effect of Foliar Nutrition on Growth and Uptake of Macro and Micronutrients of Kharif Groundnut (Arachis hypogaea L.) · 2018

• positive
  Number of branches was highest under the 2 % foliar Ca(NO3)2 spray among the foliar treatments, at 9.10 per plant.

  compared with foliar treatments

Effects of Calcium Application Rate on Dry Matter Accumulation and Yield of Peanut · 2018

• positive
  Full fruit number, dry plant weight, kernel yield and pod yield increased with calcium application up to 150 kg/ha.
• negative
  Those yield traits declined above 150 kg/ha calcium.

cited by 1 paper here

Effect of Irrigation Systems and Calcium on Productivity and Quality of Peanut (Arachis hypogaea L.) at New Valley · 2018

• positive
  Sprinkler irrigation plus 6 cm3Ca foliar spray maximized pod-number, pod-weight and seed-weight measures.
• positive
  Sprinkler irrigation plus 6 cm3Ca foliar spray maximized pod, seed and oil-seed yields.

cites 1 paper herecited by 1 paper here

Response of Yield and Some Physiological Traits of Groundnut (Arachis hypogaea L.) to Topping Height and Application Methods of Zn and Ca Nano-Chelates · 2019

• positive
  Both foliar and soil Zn and Ca nano chelates improved groundnut yield.

cited by 2 papers here

Enhancing Water Use Efficiency in Sandy Soil Using some Organic and Mineral Additives under Deficit Irrigation during Vegetative Growth of Peanut · 2019

• positive
  Application of Hu, GA3, Si, K and Ca significantly increased peanut pods and kernel yield.

Effects of drip irrigation and topdressing on dry matter weight, mineral nutrient absorption and yield of pod-bearing stage in peanut · 2020

• positive
  Topdressing with N, B and Ca significantly increased peanut pod yield.

Effect of Sorbitol Calcium Chelate on Yield and Calcium Nutrient Absorption of Peanut · 2021

• positive
  At 1.60 g L 1 versus blank control, 100-kernel weight increased 20.4%.

  compared with blank control

• positive
  At 1.60 g L 1 versus blank control, fruit number per plant increased 46.8%.

  compared with blank control

• positive
  At 1.60 g L 1 versus blank control, peanut yield increased 28.6%.

  compared with blank control

• positive
  At 1.60 g L 1 versus blank control, full fruit number per plant increased 55.3%.

  compared with blank control

• positive
  At 1.6 g L 1, chelated calcium raised peanut yield 10.0% against non-chelated calcium.

  compared with sorbitol non-chelated calcium fertilizer treatments

cites 1 paper herecited by 2 papers here

GROUNDNUT GROWTH AND YIELD RESPONSES TO CALCIUM AND PHOSPHOROUS FERTILIZATION · 2021

• positive
  Calcium application at 165 kg ha-1 increased mean pod yield by 24% compared with the control.

  compared with control

• positive
  Calcium at 165 kg ha-1 from gypsum had a significant, major effect on pod production, filled pod number and hundred seed weight, better than the other levels.

  compared with the others

• positive
  The highest pod yield (2006 and 2477 kg ha-1) was obtained with calcium at 165 kg ha-1 in 2018 and 2019 respectively.

Conventional versus Nano Calcium Forms on Peanut Production under Sandy Soil Conditions · 2021

• positive
  Gypsum plus calcium nitrate produced peanut seed yield of 1.6 ton ha−1.

cites 4 papers herecited by 4 papers here

The Rhizobium and calcium fertilizer application to peanut plant in dry land · 2021

• positive
  Nodulin and calcium fertilizers increased peanut dry pod weight to 2.177 g per 6 m 2 or 3.7 tons.ha -1.

The Individual and Combined Effect of Nanoparticles and Biofertilizers on Growth, Yield, and Biochemical Attributes of Peanuts (Arachis hypogea L.) · 2022

• positive
  Combined calcium, boron and mycorrhiza improved peanut growth, yield and biochemical attributes.
• positive
  Ca+B maximally improved peanut 100-seed weight.
• positive
  Ca+B maximally improved peanut seed yield.

cites 3 papers here

Spraying sorbitol-chelated calcium affected foliar calcium absorption and promoted the yield of peanut (Arachis hypogaea L.) · 2022

• positive
  Yield of peanuts sprayed with sorbitol-chelated calcium was 12.31-16.63% higher than the deionized water control.

  compared with CK

• positive
  Yield of peanuts sprayed with sorbitol-chelated calcium was 10.22-11.83% higher than with sorbitol alone.

  compared with Sor

• positive
  Yield of peanuts sprayed with sorbitol-chelated calcium was 6.31-9.69% higher than with calcium nitrate alone.

  compared with CaN

• positive
  Yield of peanuts sprayed with sorbitol-chelated calcium was 4.18-6.99% higher than with a sorbitol and calcium nitrate mixture.

  compared with SN

cites 2 papers herecited by 2 papers here

Influence of Calcium and Gibberellic Acid on Growth, Yield and Economics of Summer Groundnut (Arachis hypogea L.) · 2023

• positive
  Ca (40kg/ha) + GA3 (120ppm) gave maximum number of pods/plant (24.60) than other treatments.
• positive
  Ca (40kg/ha) + GA3 (120ppm) gave higher harvest index (32.83 %) than other treatments.
• positive
  Ca (40kg/ha) + GA3 (120ppm) gave higher seed index (37.8 g) than other treatments.
• positive
  Ca (40kg/ha) + GA3 (120ppm) had highest benefit cost ratio (2.32) compared with other treatments.

  compared with other treatments

• positive
  Ca (40kg/ha) + GA3 (120ppm) gave higher haulm yield (4.11 t/ha) than other treatments.
• positive
  Ca (40kg/ha) + GA3 (120ppm) gave maximum number of kernels/pod (1.93) than other treatments.
• positive
  Ca (40kg/ha) + GA3 (120ppm) had Maximum gross returns (1,25,778.00 INR/ha) compared with other treatments.

  compared with other treatments

• positive
  Ca (40kg/ha) + GA3 (120ppm) gave higher seed yield (2.02t/ha) than other treatments.
• positive
  Ca (40kg/ha) + GA3 (120ppm) had maximum net returns (87,853.50 INR/ha) compared with other treatments.

  compared with other treatments

Increasing Calcium and Decreasing Nitrogen Fertilizers Improves Peanut Growth and Productivity by Enhancing Photosynthetic Efficiency and Nutrient Accumulation in Acidic Red Soil · 2023

• positive
  Across nitrogen levels, calcium application increased peanut pod yields by 11.5-29.6%.

cites 1 paper herecited by 1 paper here

The physio-biochemical characterization reflected different calcium utilization efficiency between the sensitive and tolerant peanut accessions under calcium deficiency · 2023

• positive
  Under calcium deficiency, peanut yield of HN032 was significantly reduced by 22.75%.

  About lacking this nutrient, so it counts the other way round

cites 1 paper herecited by 1 paper here

Response of Diverse Peanut Cultivars to Calcium Fertilization under Clay Soil Conditions · 2023

• positive
  NC-7 with soil calcium application gave the maximum seed index, 84.1 g.
• positive
  Soil calcium application significantly improved peanut production compared with foliar calcium application.

  compared with foliar calcium application

• positive
  NC-7 with soil calcium application gave the maximum pod yield, 6.8-ton ha−1.
• positive
  Calcium application significantly enhanced oil yields.
• positive
  NC-7 with soil calcium application gave the maximum seed yield, 4.4-ton ha−1.
• positive
  Calcium application significantly enhanced yield components.
• positive
  NC-7 with soil calcium application gave the maximum biological yield, 92.9-ton ha−1.

cites 5 papers here

Evaluation of the Seed Quality and Fatty Acids Composition of Groundnut ( Arachis Hypogaea L.) in Response to the Conventional and Nano Forms of Zn and Ca Based Fertilizers · 2023

• positive
  The greatest 100-seed weight (61.49 g) was obtained with Zn and Ca nanofertilizers in groundnut.
• positive
  The greatest biological yield (9303 kg/ha) was obtained with Zn and Ca nanofertilizers in groundnut.
• positive
  Combined application of Zn and Ca nanofertilizers enhanced groundnut seed yield by increasing pod number per plant and 100-seed weight.
• positive
  The greatest pod number per plant (38.78) was obtained with Zn and Ca nanofertilizers in groundnut.
• positive
  The greatest seed yield (2790 kg/ha) was obtained with Zn and Ca nanofertilizers in groundnut.

cites 3 papers here

Effects of calcium application on the distribution of photosynthetic carbon in plant-soil system at different peanut pod development stages · 2023

• positive
  Suitable calcium application increased kernel percent, full pod percent and pod yield.
• no effect
  Different calcium amounts did not affect total peanut dry matter accumulation.

Effect of calcium and boron on growth and yield of groundnut (Arachis hypogaea L.) · 2024

• positive
  Treatment 9 of calcium and boron gave the highest number of pods per plant in groundnut.
• positive
  Treatment 9 of calcium and boron gave the highest seed yield in groundnut.
• positive
  Treatment 9 of calcium and boron gave the highest number of kernels per pod in groundnut.

Effect of calcium and sulphur on growth and yield of groundnut · 2025

• positive
  The treatment produced a maximum 26.73 pods per plant.
• positive
  The treatment produced a seed index of 43.13.

Nano Calcium Preparation from Eggshell: Effects on Peanut Productivity and the Nutrient Status of Plant and Soil · 2025

• positive
  Peanut seed output increased 32%.
• positive
  Peanut straw output increased 31%.

Response of Peanut Plants to Foliar Nutrition Treatments and Plant Densities Under the Condition of Newly Reclaimed Sandy Soils · 2025

• positive
  Peanut sprayed with chelated calcium plus iron or zinc significantly outperformed calcium alone and the unsprayed control in yield characters and plant traits in both seasons.

  compared with calcium alone

Synergistic regulation of calcium hydroxide and ARC microbial inoculant on rhizosphere microbiota and soil chemical properties during peanut middle growth stages in acidic red soils · 2025

• positive
  Ca 50 A 4 increased total pod weight per plant by 45.18 % versus control.

  compared with control

• positive
  Ca 50 A 4 increased total pods per plant by 57.14 % versus control.

  compared with control

cites 3 papers here

Physiological and transcriptomic analyses of exogenous calcium in boosting nitrogen use efficiency via oxidative and resistance pathways in peanuts · 2026

• positive
  Calcium enhanced pod dry matter accumulation.

cites 1 paper here

Calcium-pH interplay modulates cadmium accumulation in Arachis hypogaea: Implications for safe peanut production · 2026

• positive
  Balancing pH and calcium increased peanut yield 41.2%.