Mineral nutrient deficiencies in quinoa grown in hydroponics with single nutrient salt/acid/chelate sources

Cole, David L.; Woolley, Roger K.; Tyler, Andrea; Buck, Rachel L.; Hopkins, Bryan G.

doi:10.1080/01904167.2020.1739304

Cited by 5 publications

(27 citation statements)

References 24 publications

(36 reference statements)

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“…Cole et al. (2020) reported K concentrations between 53 and 35 mg/g in control quinoa plants supplied with 4 mM K, and between 25 and 17 mg/g for quinoa plants supplied with 0.4 mM K, depending on the growth stage. Thus, we conclude that the K concentrations under low K supply in our study fall into a deficient range which is also indicated by reduced growth performance (Table 2).…”

Section: Resultsmentioning

confidence: 99%

Potassium, an important element to improve water use efficiency and growth parameters in quinoa (Chenopodium quinoa) under saline conditions

Turcios

Papenbrock

Tränkner

2021

J Agronomy Crop Science

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Over time, the world population is growing rapidly and will increase from 7.7 billion to 9.7 billion by 2050 (United Nations-UN, 2019). To be able to provide the growing population with sufficient food, a significant increase in plant production must be achieved. This should meet the food needs of future generations without depleting the planet's ecological and energy resources. However, the production of agricultural products is limited by numerous biotic (e.g. insects, pathogens and weeds) and abiotic factors (e.g. drought, salinity, frost and waterlogging), which reduce the quality and quantity of plant products (Wang et al., 2013). Currently, salt is degrading 20% of the world's irrigated land and causing around US$27.3 billion per year in economic losses, according to the assessment from the United Nations University (Smith, 2014). Salt stress leads to nutrient disturbances in plants, where the transport and availability of nutrients are severely impaired. The nutrient deficiencies and imbalance in saline environments are mainly

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Section: Resultsmentioning

confidence: 99%

Potassium, an important element to improve water use efficiency and growth parameters in quinoa (Chenopodium quinoa) under saline conditions

Turcios

Papenbrock

Tränkner

2021

J Agronomy Crop Science

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“…Hydroponic and related systems are the simplest and most rapid methods of providing information for plant nutrition [1][2][3][4][5][6]. Soil-based studies are vital for applying crop research intended to guide field-crop management, but hydroponic studies can be used for basic or foundational science studies as well as to understand applications for commercial hydroponic growth systems.…”

Section: Introductionmentioning

confidence: 99%

“…It is especially difficult to create multiple micronutrient and/or secondary macronutrient deficiencies in some soils. In contrast, hydroponic systems potentially enable the induction of every mineral nutrient deficiency in a comparative study in a controlled environment, enabling the efficient study of basic plant nutrition studies [1,4,5].…”

Section: Introductionmentioning

confidence: 99%

“…This often occurs because the traditional hydroponic solutions are made with many dual nutrient compounds, where the compounds are cationic and anionic nutrient salts. For example, if magnesium sulfate is the Mg source, lowering the Mg concentration simultaneously lowers the S concentration [1].…”

Section: Introductionmentioning

confidence: 99%

“…Preliminary studies showed this solution to be effective for growing plants and creating N deficiencies in quinoa (Chenopodium quinoa Willd. ; [1]) and soybean (Glycine max (L.) Merr; [37]). However, these initial findings have no comparison to contemporary nutrient solutions that have been shown to grow plants effectively.…”

Section: Introductionmentioning

confidence: 99%

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Soybean Nutrition in a Novel Single-Nutrient Source Hydroponic Solution

et al. 2021

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Hydroponic systems are efficient for studying plant nutrition. It is often desirable to adjust individual nutrients for unique species’ needs and/or to create multiple nutrient deficiencies within the same study. However, this is challenging to do with traditional solutions as nutrients are generally added as dual nutrient salts, such as when varying phosphorus (P) concentration also affects nitrogen concentration; potentially, the chemical form of the nutrient taken up when ammonium phosphate is the source for P. This can create unintended consequences with nutrients other than those intended for adjustment. A new hydroponic system has been created to allow for nutrient deficiencies using single-nutrient sources, including ammonium nitrate; phosphoric, sulfuric, hydrochloric, and boric acids; potassium, calcium, magnesium, zinc, and copper carbonates; manganese acetate; sodium molybdate; iron EDDHA; with HEDTA as an additional chelate. This nutrient solution was compared to a traditional “Hoagland” hydroponic solution to grow soybean (Glycine max (L.) Merr). Additional treatments included alteration of pH in the new solution as well as evaluating varying levels of calcium, magnesium, and manganese. This new solution proved effective, as soybean was grown to maturity and performed as well as the traditional Hoagland solution. Adjusting pH downward with hydrochloric acid resulted in healthy plants, but solution pH was not adequately buffered. Adjusting pH with acetic acid resulted in toxicity. Further work is required to provide better pH buffering and approximately align tissue nutrient concentrations with field-grown soybean.

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Structure and nutrient composition of quinoa grain

Zhu

2023

Quinoa

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Mineral nutrient deficiencies in quinoa grown in hydroponics with single nutrient salt/acid/chelate sources

Cited by 5 publications

References 24 publications

Potassium, an important element to improve water use efficiency and growth parameters in quinoa (Chenopodium quinoa) under saline conditions

Potassium, an important element to improve water use efficiency and growth parameters in quinoa (Chenopodium quinoa) under saline conditions

Soybean Nutrition in a Novel Single-Nutrient Source Hydroponic Solution

Structure and nutrient composition of quinoa grain

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