Growth, production and water and nitrogen use efficiency of maize under water depths and nitrogen fertilization

Campelo, David de Holanda; Teixeira, Adunias dos Santos; Moreira, Luís Clênio Jário; Lacerda, Claudivan Feitosa de

doi:10.1590/1807-1929/agriambi.v23n10p747-753

Cited by 8 publications

(3 citation statements)

References 21 publications

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“…Beatty and Wong [26] also disseminated that reducing nutrient loss could simultaneously increase nutrient efficiency through the application of optimum dose; the minimum dose that produces maximum biomass and grain yield. In accord with our findings, several previous studies reported higher NUEs at lower N levels while evaluating improved and hybrids varieties of maize at 0-280 kg ha −1 N doses [52,58,[76][77][78]80,[82][83][84]. The range of yield increment kg −1 N application was 22.01-38.16 kg at N doses of 45-150 kg ha −1 [76,80,82,84].…”

Section: Nitrogen Uptake and Use Efficiencysupporting

confidence: 91%

Optimizing N Fertilization for Increasing Yield and Profits of Rainfed Maize Grown under Sandy Loam Soil

et al. 2021

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The optimum dose of fertilizers for crops varies with soil, agro-ecology, and crop management practices. Optimizing application dose is critical to reduce nutrient loss to the environment and increase nitrogen use efficiency (NUE), crop yields, and economic return to farmers. An experiment was conducted to determine the optimum N dose for increasing maize (Zea mays L. cv, Manakamana-3) yield, NUE, and farm profits under rainfed conditions. Five levels of N (0, 60, 120, 180, and 240 kg ha−1), and a non-fertilized treatment were tested in a randomized complete block design with three replications. Effects of each treatment on yield and yield attributing traits, plant lodging and Sterility (plants with no cob or grain formation), NUE, and stay green trait of maize were recorded. Application of N above 120 kg ha−1 (N120) did not have any significant effects on yield and yield components. Nitrogen, at N120 and above, produced highly fertile plants (though sterility slightly increased at N180 and N240), higher N uptake, and lower dead leaf area (18–27%). N120 produced the highest agronomic; yield increase per unit of N application (AEN—26.89 kg grain kg−1 N) and physiological efficiency of N (PEN—42.67 kg grain kg−1 N uptake), and net benefit (USD 500.43). Considering agronomic, economic, and NUE factors, an N dose of 120 kg ha−1 was found optimum for the cultivation of rainfed maize (Manakamana-3) under sandy loam soil.

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Section: Nitrogen Uptake and Use Efficiencysupporting

confidence: 91%

Optimizing N Fertilization for Increasing Yield and Profits of Rainfed Maize Grown under Sandy Loam Soil

et al. 2021

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“…Rational irrigation and fertilization can effectively promote plant growth and yield, but excessive irrigation and fertilization reduce the water and fertilizer use efficiency [29,30], even causing environment pollution [21,22]. The difference of irrigation methods impacts the distribution of soil moisture [31,32].…”

Section: Discussionmentioning

confidence: 99%

Effects of Fertilization Management under WSPI on Soil Nitrogen Distribution and Nitrogen Absorption in Apple Orchard in Loess Plateau

Cheng¹,

Ma²,

Ruo-en³

et al. 2020

Agronomy

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Water storage pit irrigation (WSPI) has been proven effective in improving the water use efficiency of fruit trees in Loess Plateau, but so far there are still no matching efficient fertilization management methods. A two-year experiment was conducted to explore the management strategy of fertilization under the consideration of apple production and environmental sustainability. N isotope tracer technique was used to study the distribution of labelled nitrogen in soil, leaf, root and fruit. Moreover, the yield in different fertilizer managements were observed to evaluate the apple production. The results showed that increasing the amount of fertilizer could increase the accumulation of fertilizer nitrogen in soil, but also increased the risk of nitrogen leaching. Under the same amount of fertilizer, split fertilization can effectively increase of fertilizer nitrogen in soil by a mean of 4.7 times. Further, N300 application with split fertilization effectively increased apple yield. The yield of N300II treatment was higher than other treatment by maximum 68.5%. In addition, the root system mainly absorbed the fertilizer nitrogen applied in the current year, and the fruit mainly absorbed the fertilizer nitrogen applied in the previous year, but there was no significant difference in the leaves.

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“…Las láminas de riego aplicadas en cada tratamiento son consideradas como muy bajas. Campelo et al (2019) aplicaron láminas de riego del orden de los 506 a 538 mm y encontraron rendimientos de 16.7 a 17.8 Mg ha -1 . La tensión de humedad de 20 kPa fue la que alcanzó la mayor ef iciencia en el uso del agua de riego con un valor de 35.21 kg ha -1 mm -1 , mientras que la tensión de humedad de 40 kPa alcanzó 24.27 kg ha -1 mm -1 .…”

Section: Rendimiento Y Ef Iciencia En El Uso Del Aguaunclassified

Tensión de humedad del suelo, crecimiento, eficiencia en el uso del agua y rendimiento de maíz cultivado en el noroeste de México

Núñez-Ramírez

Escobosa-García²,

Cárdenas-Salazar³

et al. 2020

Terra

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En escenarios de escasez de agua, el manejo del riego en cultivos es de gran importancia. El objetivo de este trabajo fue identificar la tensión de humedad (T) óptima en suelo para producir el mayor crecimiento y rendimiento de maíz (Zea mays L.) cultivado en el valle de Mexicali, Baja California, México. El cultivo fue establecido durante el ciclo primavera-verano de 2017. Los tratamientos evaluados fueron cuatro tensiones de humedad [(T); (10, 20, 30 y 40 kPa)] y seis genotipos de maíz (G). Los tratamientos se distribuyeron bajo un diseño de bloques al azar con cuatro repeticiones (arreglo factorial doble). El primer factor fue tensión de humedad del suelo y el segundo factor la variedad de maíz. Se midió el crecimiento del cultivo expresado como altura, número de hojas, días a floración masculina (antesis), y área foliar. Al final del experimento se cosecharon las mazorcas de cada tratamiento y se calculó el peso de grano, rendimiento y eficiencia en el uso del agua de riego. No se encontró una interacción significativa entre las variables de respuesta evaluadas (T × G) (P > 0.05). Durante los primeros 50 días después de la siembra, el factor que más afectó al crecimiento y desarrollo fue T. Con una menor T, menor fue el número de días para alcanzar la etapa de floración masculina (P < 0.05). El rendimiento y la eficiencia en el uso del agua de riego fueron afectados por T y G (P < 0.05). La variedad Asgrow RX 717 presentó la floración masculina en un menor tiempo que el resto de los genotipos, el más alto rendimiento (10.63 Mg ha-1) y la mayor eficiencia en el uso del agua de riego (48.79 kg ha-1 mm-1) que el resto de los genotipos evaluadas (P < 0.05).

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Growth, production and water and nitrogen use efficiency of maize under water depths and nitrogen fertilization

Cited by 8 publications

References 21 publications

Optimizing N Fertilization for Increasing Yield and Profits of Rainfed Maize Grown under Sandy Loam Soil

Optimizing N Fertilization for Increasing Yield and Profits of Rainfed Maize Grown under Sandy Loam Soil

Effects of Fertilization Management under WSPI on Soil Nitrogen Distribution and Nitrogen Absorption in Apple Orchard in Loess Plateau

Tensión de humedad del suelo, crecimiento, eficiencia en el uso del agua y rendimiento de maíz cultivado en el noroeste de México

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