Magnesium-fortified phosphate fertilizers improve nutrient uptake and plant growth without reducing phosphorus availability

Lu, Zhenya; Wang, Yanyan; Degryse, Fien; Huang, Chengdong; HOU, Cuihong; Wu, Liangquan; Jiang, Rongfeng; McLaughlin, Michael J.; Zhang, Fusuo

doi:10.1016/j.pedsph.2022.06.010

Cited by 14 publications

(10 citation statements)

References 37 publications

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“…The granulation time was 45-60 min, with 100-120 g of binder being consumed in total. After granulation, the fertilizer granules were dried in an air blast drying oven for 7 h at 50 • C and then cooled, placed in Ziplock bags, and stored in sealed plastic containers at room temperature [42]. The pH and N, P, and S contents of the fertilizers were measured and are presented in Table 1.…”

Section: Fertilizer Manufacturingmentioning

confidence: 99%

“…The soil (0-10 cm) used was calcareous soil, obtained from Qvzhou County, Hebei Province, China. The soil was air-dried, sieved to <2 mm, and analyzed before use [42]. The basic soil properties were as follows: pH 7.97, organic matter 15.8 g kg −1 , alkaline nitrogen 89.6 mg kg −1 , available phosphorus 9.76 mg kg −1 , available potassium 283 mg kg −1 , exchangeable calcium 115 cmol (+) kg −1 , exchangeable magnesium 5.47 cmol (+) kg −1 , and available S 0.27 mg kg −1 , which is less than the concentration considered deficient (<12 mg S kg −1 ) [43].…”

Section: Pot Experimentsmentioning

confidence: 99%

“…Each pot was filled with 3 kg of air-dried soil and fertilized at a rate of 75 mg P kg −1 , with fertilizers added equidistantly at 5 cm below the soil surface [42]. Eleven treatments with four replicates of each treatment were included in this experiment: the control, MAP, MAP+3S%, MAP+6S%, MAP+9S%, MAP+12S%, DAP, DAP+3S%, DAP+6S%, DAP+9S%, and DAP+12S%.…”

Section: Pot Experimentsmentioning

confidence: 99%

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The Effects of Ammonium Phosphate with Different Sulfur Additions on Crop Yield and Nutrient Uptake in Calcareous Soil

Lu,

Liu,

Zhu

et al. 2024

Agronomy

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Sulfur (S) deficiency is becoming increasingly prevalent, posing a serious threat to crop yield and quality. The incorporation of S fertilizers into macronutrient fertilizers such as ammonium phosphate represents a straightforward and economically efficient approach to alleviating S deficiency, strengthening S supply, and improving crop yield. However, limited research has been conducted to assess the effect of monoammonium phosphate (MAP) and diammonium phosphate (DAP) with different S additions on agronomic outcomes. In this study, ammonium sulfate and elemental S with S set at 3%, 6%, 9%, and 12% (ensuring a 1:1 ratio of SO4−S to elemental S) were granulated with MAP and DAP, respectively. Maize was used as the test crop to evaluate its yield, nutrient uptake, and apparent sulfur recovery. The results showed that S-fortified MAP treatment increased crop yield and S uptake by an average of 9.3% and 10.6%, respectively. A significant difference in crop yield and S uptake was observed when the S addition in MAP exceeded 9% S. Nevertheless, no statistical difference was found among the DAP-based treatments in calcareous soil. There was a strong relationship between S applied in fertilizers and S uptake by crops for MAP-based treatments. However, the apparent sulfur recovery drastically dropped from 44.2% to 7.19% with the increased addition level of S for MAP-based fertilizers. The results of this study indicate that the addition of S to MAP could be a simple, low-cost, and effective approach with great potential to promote S fertilizer application, minimize soil S deficiency, and improve crop yield in calcareous soil.

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Section: Fertilizer Manufacturingmentioning

confidence: 99%

Section: Pot Experimentsmentioning

confidence: 99%

Section: Pot Experimentsmentioning

confidence: 99%

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The Effects of Ammonium Phosphate with Different Sulfur Additions on Crop Yield and Nutrient Uptake in Calcareous Soil

Lu,

Liu,

Zhu

et al. 2024

Agronomy

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“…It has been proposed that the antagonistic effect of K enrichment on absorption of Mg by plants is the main cause of Mg deficiency for greenhouse vegetables on calcareous soil (Farhat et al, 2016; Guo et al, 2016; Yan et al, 2020). However, the relationship between Mg deficiency and plant and soil physicochemical characteristics is not well understood (Chen et al, 2022; Lu et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

“…Recently, greenhouse tomatoes in Mg‐rich calcareous soil have been experiencing frequent Mg deficiency, resulting in a significant decline in tomato yield and quality (Yan et al, 2016). Unsound Mg fertilizer application will not only cause waste of fertilizer resources, but also aggravate soil salinization, especially for greenhouse soil (Lu et al, 2022; Shen et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Assessment of magnesium deficiency in greenhouse tomato crops grown on calcareous soil

Chao

Zhang

Sun

et al. 2023

Soil Use and Management

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Magnesium (Mg) deficiency in greenhouse vegetable plants affects crop yields and quality. Assessing the degree of Mg deficiency and influencing factors is necessary for evidence‐based Mg supplementation. In this study, an investigation was conducted at 71 tomato cultivation greenhouses with calcareous soil, located in the main greenhouse vegetable production area of China. Plant and soil Mg contents were analysed, as well as nitrogen (N), phosphorus (P), potassium (K) and other nutrients. The tomatoes showed Mg deficiency, with none of the farms supplementing this element. The critical leaf Mg concentration of the tomatoes was 3.40 mg kg−1. Using Ward's hierarchical cluster analysis, three clusters of Mg leaf content were obtained, which were 1.07–3.00 mg kg−1 (SD cluster), 2.56–5.64 mg kg−1 (MD cluster) and 5.12–6.88 mg kg−1 (ND cluster). Tomato yields in the SD and MD clusters were 31.4% and 16.5% lower than the ND cluster, respectively. Both soil exchangeable Mg content and soil pH in the SD cluster were the lowest, while total NPK, available NPK, K/Mg and the Ca/Mg ratio were the highest. A principal component analysis (PCA) showed that Mg leaf content was negatively correlated with the exchangeable K/Mg ratio, and positively correlated with soil exchangeable Mg content, soil pH and tomato yield. Mg deficiency in the tomatoes was attributed to the high accumulation of available K in the calcareous soil and the fact that the SD cluster with greatest Mg deficiency also had the lowest soil total Mg concentration. Considering the accumulation of NPK and the causes of Mg deficiency, foliar Mg spraying is suggested to mitigate Mg deficiency in calcareous greenhouse tomato soil.

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Slow- and fast-release magnesium-fortified macronutrient fertilizers improve plant growth with lower Mg leaching loss

Lu,

Degryse,

et al. 2024

J Soils Sediments

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Magnesium-fortified phosphate fertilizers improve nutrient uptake and plant growth without reducing phosphorus availability

Cited by 14 publications

References 37 publications

The Effects of Ammonium Phosphate with Different Sulfur Additions on Crop Yield and Nutrient Uptake in Calcareous Soil

The Effects of Ammonium Phosphate with Different Sulfur Additions on Crop Yield and Nutrient Uptake in Calcareous Soil

Assessment of magnesium deficiency in greenhouse tomato crops grown on calcareous soil

Slow- and fast-release magnesium-fortified macronutrient fertilizers improve plant growth with lower Mg leaching loss

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