Short‐statured maize achieved similar growth and nitrogen uptake but greater nitrogen efficiencies than conventional tall maize DOI Creative Commons
Raziel A. Ordóñez, Lía B. Olmedo Pico, Frank G. Dohleman

et al.

Crop Science, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 19, 2024

Abstract Despite a historical favoring of robust tall plants in maize ( Zea mays L.) production systems as potential indicator increased total and/or grain biomass yields, short‐statured is receiving renewed commercial attention North America. Little known the relative N efficiencies resulting from inter‐stature differences dry matter formation and processes during pre‐ post‐silking stages. To investigate this, two field rainfed experiments were conducted West Lafayette, IN. The included factorial combinations tall‐ hybrids subjected to three rates: 0 (unfertilized), 168 (moderate), 224 kg ha −1 (elevated) applied at planting. Short with 25% reduced stature showed no statistically significant seasonal accumulation uptake, or partitioning (harvest index) versus stover maturity conventional hybrids. Increased leaf ear growth silking, plus comparable quantities remobilization stems filling, short‐stature contributed its yield parity tall‐stature maize. Additionally, our research revealed other noteworthy findings: had higher harvest index recovery efficiency than maize, implying more status resiliency moderate rates. lack interactions between × most studied traits suggests that short can perform least well across range Our findings provide insights for fine‐tuning breeding management programs.

Language: Английский

Nitrogen Utilization by Grain Sorghum as Affected by Rate of Nitrogen Fertilization and Plant Density: A Preliminary Study DOI Creative Commons
Ariel Tóth, Zoltán Tóth

Advances in Agriculture, Journal Year: 2025, Volume and Issue: 2025(1)

Published: Jan. 1, 2025

Grain sorghum ( Sorghum bicolor (L.) Moench ) has become a popular alternative to maize in drought‐stricken areas of Hungary. A three‐factorial small plot field experiment was conducted Keszthely (Hungary) order examine the effects plant density (D1 = 240,000, D2 280,000 plants ha −1 and nitrogen (N) application (N0–N5 0−40−80−120−160−200 kg on N utilization characteristics grain content indicators four commercial cultivars (G1 KWS Nemesis, G2 RTG Huggo, G3 GK Erzsébet, G4 ES Foehn). The results revealed that applied better D2, which also resulted significant increase most quantitative parameters. This can be verified based generally higher total uptake, harvest index (HI N% ), efficiency (NUtE), agronomic use (AE values. Plant treatment did not have effect p 0.096), but compared D1, densification significantly reduced crude protein < 0.001) starch contents. An inverse proportional relationship between evolution contents found. Optimum rates varied 120 160 for G1 G2, both D1 40–80 80–120 120–160 160–200 D2. In conclusion, genotype‐specific approach optimization Hungarian cultivation technology is required ensure potential performance reduce loss.

Language: Английский

Citations

0
Effects of coupled application of magnetoelectric activated water and amendments on photosynthetic physiological characteristics and yield of maize in arid regions DOI Creative Commons
Qingyuan Lei, Wanghai Tao, Fan Yang

et al.

Frontiers in Plant Science, Journal Year: 2025, Volume and Issue: 15

Published: Jan. 16, 2025

Seeking effective improvement agent control measures to enhance the photosynthetic physiological traits and yield levels of spring maize is crucial for efficient green agriculture in arid regions. Therefore, this study was conducted clarify effects coupling agents under magnetoelectric activated water irrigation conditions on traits, grain nutrients, region northwest China. Field experiments were set up with three concentrations growth regulators: 400 times (G1), 500 (G2), 600 (G3), amounts Bacillus subtilis: 15 kg/ha (R1), 45 (R2), 75 (R3), along a group CK, making total 10 treatments applied field experiment. The results indicate that irrigation, significantly areas. With agents, rectangular hyperbola correction model showed good fit light response curve (R2 >0.992). Pnmax increased (7.37%~37.46%) highly correlated (P<0.01). entropy-weight TOPSIS comprehensive evaluation analysis found G2R2 treatment optimal measure production This yielded 12.68 t/ha 100-kernel weight, grains per spike, soluble sugar content by 21.3%, 8.22%, 63.81%, respectively, representing best balance quality high yield. provide theoretical references technical support high-quality China's

Language: Английский

Citations

0
Nitrogen fertilizer application rate affects the dynamic metabolism of nitrogen and carbohydrates in kernels of waxy maize DOI Creative Commons
Wanjun Feng,

Weiwei Xue,

Zequn Zhao

et al.

Frontiers in Plant Science, Journal Year: 2024, Volume and Issue: 15

Published: Aug. 1, 2024

Nitrogen (N) plays a pivotal role in the growth, development, and yield of maize. An optimal N application rate is crucial for enhancing carbohydrate (C) accumulation waxy maize grains, which turn synergistically improves grain weight.

Language: Английский

Citations

3
Rational reduction of planting density and enhancement of NUE were effective methods to mitigate maize yield loss due to excessive rainfall DOI

Ruiqi Ma,

Ning Cao,

Yuanyang Li

et al.

European Journal of Agronomy, Journal Year: 2024, Volume and Issue: 160, P. 127326 - 127326

Published: Aug. 29, 2024

Language: Английский

Citations

3
One-Time Application of Polymer-Coated Urea Increased Rice Yield and Plant Nitrogen Uptake by Optimizing Root Morphological and Physiological Traits DOI Creative Commons

Junlin Zhu,

Song Chen,

Chunmei Xu

et al.

Agronomy, Journal Year: 2025, Volume and Issue: 15(2), P. 282 - 282

Published: Jan. 23, 2025

Previous studies have shown that a one-time application of polymer-coated urea (PCU) can increase rice yield and nitrogen (N) uptake. However, the connection between root morphology physiological traits grain N absorption has still not been well understood. The objective this study was to explore whether PCU could enhance shoot growth, improve plant activity, ultimately boost NUE by optimizing morphological traits. In study, super-large-panicle indica-japonica hybrid variety, Yongyou1540, cultivated under three treatments during 2022 2023: (1) 0N, throughout entire growth period, no fertilizer applied; (2) LFP, local farmers’ management practices were followed, using as source, carried out according customary fertilization practices; (3) PCU, performed at one day before transplanting. is controlled-release in which granules are coated with synthetic polymer layer; it widely used cultivation. both LFP treatments, applied rate 200 kg ha−1. type layer polymer. Compared significantly improved several traits, including increased deep-root proportion specific length (SRL), period; density heading maturity; biomass from jointing reduced reduction after heading. Additionally, enhanced oxidative activity (ROA) zeatin riboside (Z+ZR) content roots bleeding sap middle late grain-filling stages. Furthermore, markedly flag-leaf net photosynthetic rate, Z+ZR leaves, activities key enzymes involved sucrose-to-starch conversion grains Correlation analysis indicated showed significant positive correlation heading, negatively correlated ROA associated grains. On average, 10.0% agronomic 46.2%, compared LFP. These findings suggest optimize thereby promote NUE. Further research also investigate potential for combining other

Language: Английский

Citations

0
Global comprehensive evaluation shows that green manure enhances crop productivity while mitigating gaseous nitrogen losses DOI
Hua Huang, Zihui Zhang, Qi Wu

et al.

Resources Conservation and Recycling, Journal Year: 2025, Volume and Issue: 220, P. 108351 - 108351

Published: May 5, 2025

Language: Английский

Citations

0
Optimizing root morphology is a key to improving maize yield under nitrogen reduction and densification cultivation DOI
Bowen Zhao, Liang Tong, Huiling Liu

et al.

Field Crops Research, Journal Year: 2025, Volume and Issue: 329, P. 109958 - 109958

Published: May 5, 2025

Language: Английский

Citations

0
Foliar magnesium application improves sweet corn yield: boosting nutrient uptake and grain carbohydrate under dense planting condition DOI Creative Commons

Delian Ye,

Zexun Yu,

Jiajie Chen

et al.

Frontiers in Plant Science, Journal Year: 2025, Volume and Issue: 16

Published: May 9, 2025

Magnesium (Mg) plays a critical role in regulating yield and grain quality corn. However, its management is often overlooked cultivation, particularly under high-density planting conditions, where intensified nutrient competition can exacerbate Mg deficiency. To address the knowledge gap strategies, we conducted three-season field trials (2021-2022) evaluating foliar spraying with different concentrations of fertilizer dense conditions. The results showed that 4% significantly increased sweet corn fresh ear yield, weight, grains per ear, while reducing abortion rate compared to water (CK) treatment across all three seasons. Foliar markedly dry matter, N, K, Ca, accumulation over two seasons 2022. leaf Soil Plant Analysis Development (SPAD) value by an average 6.9% 9.3% at R1 R3 stages, respectively, CK treatment. Although 21.1% total (16.9 kg ha − ¹) was acquired post-silking, vegetative remobilization contributed minimally (&lt; 5%). filling 7 12 days after silking, sucrose, fructose, glucose 14.4%, 2.7%, 9.3%, 27 silking Based on these findings, propose practical fertilization guideline for cultivation: applications MgSO 4 ·7H 2 O, totaling 8.78 -1 . This strategy improves uptake, enhances carbohydrate accumulation, supports optimization without compromising quality.

Language: Английский

Citations

0
Effects of Planting Density and Nitrogen Management on Light and Nitrogen Resource Utilization Efficiency and Yield of Summer Maize in the Sichuan Hilly Region DOI Creative Commons

Hao Lei,

Fang Zhou, Qianyi Cai

et al.

Agronomy, Journal Year: 2024, Volume and Issue: 14(7), P. 1470 - 1470

Published: July 7, 2024

The low efficiency of light and nitrogen resources, poor yield profit, environmental pollution maize production are main problems in many areas China. We hypothesized that optimizing fertilizer density management strategies could alleviate the above issues. To address this, a 3-year on-site experiment with three planting densities four rates was conducted Sichuan Hilly Region. results indicated increasing increase extinction coefficient solar radiation interception populations as well enhance utilization resources yield. For every 100 kg ha−1 fertilizer, RUE increased by 0.16%, NUE decreased 25.0%, soil apparent loss quantity 67.8 ha−1. There certain interaction between rate. appropriate rate combination 67,500 plants 180 N under experimental condition. Excessive close weak-light excessive reduction after densification not advisable. This study nitrogen–density should be matched local natural such sunlight. provide theoretical for high-yield high-quality these areas.

Language: Английский

Citations

1
Short‐statured maize achieved similar growth and nitrogen uptake but greater nitrogen efficiencies than conventional tall maize DOI Creative Commons
Raziel A. Ordóñez, Lía B. Olmedo Pico, Frank G. Dohleman

et al.

Crop Science, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 19, 2024

Abstract Despite a historical favoring of robust tall plants in maize ( Zea mays L.) production systems as potential indicator increased total and/or grain biomass yields, short‐statured is receiving renewed commercial attention North America. Little known the relative N efficiencies resulting from inter‐stature differences dry matter formation and processes during pre‐ post‐silking stages. To investigate this, two field rainfed experiments were conducted West Lafayette, IN. The included factorial combinations tall‐ hybrids subjected to three rates: 0 (unfertilized), 168 (moderate), 224 kg ha −1 (elevated) applied at planting. Short with 25% reduced stature showed no statistically significant seasonal accumulation uptake, or partitioning (harvest index) versus stover maturity conventional hybrids. Increased leaf ear growth silking, plus comparable quantities remobilization stems filling, short‐stature contributed its yield parity tall‐stature maize. Additionally, our research revealed other noteworthy findings: had higher harvest index recovery efficiency than maize, implying more status resiliency moderate rates. lack interactions between × most studied traits suggests that short can perform least well across range Our findings provide insights for fine‐tuning breeding management programs.

Language: Английский

Citations

1