Nitrate and potassium concentrations in cotton petiole extracts as influenced by nitrogen fertilization, sampling date and cultivar

López, María-Isabel; Castro, Amaral; Gutiérrez, Joaquín; Leidi, Eduardo O.

doi:10.5424/sjar/2010081-1159

Cited by 5 publications

(6 citation statements)

References 19 publications

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“…Our study also determined that petiole sampling during the first week of bloom can be a useful predictor of yield outcomes. The critical petiole NO 3 −N concentration of 5600 mg NO 3 −N kg −1 to reach 92% relative yield established in this study is reflective of other research investigating cotton tissue nutrition on sandy loam soils (López et al., 2010, Lutrick, Peacock, & Cornell, 1986, Mitchell & Baker, 2000). Lint yields at and beyond this critical threshold exceeded yields from older studies by 300 kg ha −1 , most likely due to the use of modern, high‐yielding varieties (Rochester & Constable, 2015).…”

Section: Discussionsupporting

confidence: 72%

“…Petiole NO 3 −N concentration measured during the first week of bloom is commonly used as an indicator of in‐season N status for cotton due to the simplicity and accuracy of petiole testing (McConnell, Baker, Miller, Frizzell, & Varvil, 1993; Zhou & Yin, 2018). This analysis can provide forewarning of N deficiencies and can even predict variation in soil N availability (Bronson, Onken, Keeling, Booker, & Torbert, 2001; López, de Castro, Gutiérrez, & Leidi, 2010). While petiole NO 3 −N concentrations frequently correlate with applied N rate, correlation with lint yield has been weak in past studies (Bronson et al., 2001; Rochester, Constable, Oosterhuis, & Errington, 2012; Wood, Tracy, Reeves, & Edmisten, 1992).…”

Section: Introductionmentioning

confidence: 99%

“…For cotton production in the southeastern United States, Mitchell and Baker (2000) claimed that the sufficiency range for proper cotton nutrition during the first week of bloom in their Georgia study was 4500 −12,500 mg NO 3 −N kg −1 . Petiole NO 3 −N concentrations have also been reported to vary widely in response to variety, soil type, sampling date, harvest year, and crop management practices (López et al., 2010; Wiedenfeld, Wallace, & Hons, 2009; Zhou & Yin, 2018). Determination of a more precise critical petiole NO 3 −N concentration correlated with yields would be a useful reference for N management practices on coarse‐textured soils in the humid southeastern United States.…”

Section: Introductionmentioning

confidence: 99%

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Cotton yield and lint quality responses to nitrogen rate and placement in the humid southeast

McClanahan¹,

Frame

Stewart

et al. 2020

Agronomy Journal

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Proper N management in upland cotton (Gossypium hirsutum L.) is essential to optimize yields. Information on proper N application rate and placement method is needed for coarse-textured soils of the humid Southeast. The objective of this study was to measure strip-tilled cotton performance in response to five N rate and placement application methods. Five N rates (0, 45, 90, 135, and 180 kg N ha −1) and three placement methods {broadcast (urea + ammonium sulfate [AMS], surface banded (urea ammonium nitrate [UAN] + ammonium thiosulfate [ATS]), and injected (UAN + ATS) were evaluated from 2016 to 2018 at five sites in Virginia and one site in North Carolina. Petiole NO 3-N, lint yield, lint percent turnout, and fiber quality parameters were measured. Nitrogen rate and placement had a significant effect on lint yield but only N rate affected petiole NO 3-N concentration. Quadratic plateau analysis of relative yield found that 133, 128, and 180 kg N ha −1 were the optimum N rates for injected, surface-banded, and broadcast systems with relative yields of 95, 90, and 94%, respectively. A critical petiole NO 3-N concentration threshold of 5600 mg NO 3-N kg −1 at early bloom was calculated to reach 92% relative yield. Neither rate nor placement had an effect on fiber quality parameters. This study shows that both surface banding and injecting between 128 and 133 kg N ha −1 can produce 90% or more relative yield for a modern cotton variety in the upper southeastern coastal plain of the United States.

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Section: Discussionsupporting

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cotton yield and lint quality responses to nitrogen rate and placement in the humid southeast

McClanahan¹,

Frame

Stewart

et al. 2020

Agronomy Journal

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“…En sus experimentos, ellos encontraron concentraciones de NO 3 superiores a los 9500 mg L -1 . En este sentido López et al (2010) indican que este cultivo en particular, muestra una gran variación en los contenidos de NO 3 en el ECP. Mencionan que existe mucho efecto de la variedad utilizada y de las condiciones agroecológicas en las cuales se desarrolla el cultivo.…”

Section: Rendimiento Eu a Y Eanunclassified

La fertilidad del suelo afecta el crecimiento, nutrición y rendimiento de algodón cultivado en dos sistemas de riego y diferentes dosis de nitrógeno.

Cázares

Díaz

Núñez-Ramírez

et al. 2019

Terra

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Intrinsic soil fertility and the method of irrigation can affect the efficiency of nitrogen (N) fertilization, modify the yield goal, growth, and nutritional status of crops. A study was carried out with the objective of determining yield, growth, water use efficiency (WUE), agronomic efficiency of N (AEN), NO3- concentration in petiole cell extract (PCE) and chlorophyll index (SPAD) in a cotton crop by effect of N rates and two irrigation methods. The study consisted of two experiments established in soils of high fertility [˃13 g kg-1 organic matter (OM) and N-NO3- ˃ 30 mg kg], with varying N fertilization rates: a) flood irrigation (FRR, 11 and 220 kg N ha‑1), and b) drip irrigation (FRG, 11 to 440 kg N ha-1). Plant height and number of nodes were not affected by the applied treatments. SPAD values and NO3- concentrations in PCE were cubically related to crop yield. The highest yield and WUE was obtained in the experiment with drip irrigation. In the FRR experiment no response (P > 0.05) to N fertilization treatments was found. In the FRG experiment, application of 440 kg N ha‑1 reduced yield by 43% compared to the rest of the evaluated rates. AEN was statistically higher (P < 0.001) in treatments fertilized with 11 kg N ha‑1. The low yield response due to application of N in cotton was attributed to high concentrations of N-NO3- and OM that are present in the soils in which the experiments were conducted.

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“…The content of NO 3 − –N, PO 4 3− –P, and K + –K in cotton petiole correlates with yield. Studies have shown that the content of NO 3 − –N in petiole was significantly correlated with the cotton yield at bud stage, early flowering stage, full flowering stage and boll stage, which could be a sensitive indicator of N nutrition status in cotton [ 14 , 15 ]. Wang et al [ 16 ] conducted a study on the effect of different nitrogen fertilizer dosages on NO 3 − –N concentration in the last four leaf petioles of cotton using a reflectometer to diagnose nitrogen nutrition indicators and recommend top dressing.…”

Section: Introductionmentioning

confidence: 99%

Establishment of an NPK nutrient monitor system in yield-graded cotton petioles under drip irrigation

Dong,

Liu,

et al. 2023

Plant Methods

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Background The determination of nutrient content in the petiole is one of the important methods for achieving cotton fertilization management. The establishment of a monitoring system for the nutrient content of cotton petioles during important growth periods under drip irrigation is of great significance for achieving precise fertilization and environmental protection. Methods A total of 100 cotton fields with an annual yield of 4500–7500 kg/ha were selected among the main cotton-growing areas of Northern Xinjiang. The nitrate nitrogen (NO3−–N), inorganic phosphorus (PO43−–P) and inorganic potassium (K+–K) content and yield of cotton petioles were recorded. Based on a yield of 6000 kg/ha as the dividing line, a two-level and yield-graded monitoring system for NO3−–N, PO43−–P and K+–K in cotton petioles during important growth periods was established, and predictive yield models for NO3−–N, PO43−–P and K+–K in petioles during important growth periods were established. Results The results showed found that the yields of the 100 cotton fields surveyed were normally distributed. Therefore, two yield grades were classified using 6000 kg/ha as a criterion. Under different yield-graded, the NO3−–N, PO43−–P and K+–K content of petiole at important growth stages was significantly positively correlated with yield. Further, the variation range of NO3−–N, PO43−–P and K+–K content in petioles could be used as a standard for yield-graded. In addition, a yield prediction model for the NO3−–N, PO43−–P and K+–K content of petioles was developed. The SSO-BP validation model performed the best (R2 = 0.96, RMSE = 0.06 t/ha, MAE = 0.05 t/ha) in the full bud stage, which was 12.9% higher than the BP validation model. However, the RMSE and MAE were decreased by 86.7% and 88.1%, respectively. Conclusion The establishment of NPK nutrition monitor system of cotton petioles under drip irrigation based on yield-graded provides an important basis for nutrition monitor of cotton petiole under drip irrigation in Xinjiang. It also provides a new method for cotton yield prediction.

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Nitrate and potassium concentrations in cotton petiole extracts as influenced by nitrogen fertilization, sampling date and cultivar

Cited by 5 publications

References 19 publications

Cotton yield and lint quality responses to nitrogen rate and placement in the humid southeast

Cotton yield and lint quality responses to nitrogen rate and placement in the humid southeast

La fertilidad del suelo afecta el crecimiento, nutrición y rendimiento de algodón cultivado en dos sistemas de riego y diferentes dosis de nitrógeno.

Establishment of an NPK nutrient monitor system in yield-graded cotton petioles under drip irrigation

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