Nitrogen, phosphorus, and potassium requirements for Eucalyptus urograndis plantations in southern Brazil

Bassaco, Marcos Vinícius Martins; Motta, Antônio Carlos Vargas; Pauletti, Volnei; Nisgoski, Silvana; Ferreira, Carla Fernanda

doi:10.1007/s11056-018-9658-0

Cited by 30 publications

(20 citation statements)

References 28 publications

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“…The Mn concentration obtained in the first evaluation was above the considered adequate limit of 840 mg kg -1 by Gonçalves (1995) and Silveira, but within the value established by Dell et al (2002), which goes up to 2,200 mg kg -1 . The values can be considered normal as the plants did not show apparent symptoms of Mn toxicity and the growth was adequate (BASSACO et al, 2018). Reinforcing the indication of normality, Harguindeguy et al (2018) found values between 300 and 5,083 mg kg -1 in Eucalyptus seedling leaves developed under controlled oxygenation condition and Mn availability, without being able to associate this variation with growth of the two studied clones.…”

Section: Temporal Variation Of Macros Micronutrients and Aluminum Inmentioning

confidence: 55%

“…This maintenance of levels close to adequate indicated a high N availability in the soil even after three years, since there was no effect of N fertilization on leaf concentrations. Also, there was no effect of N fertilization on any of the evaluated growth parameters (height, DBH, commercial volume) (BASSACO et al, 2018).…”

Section: Macronutrient Concentrationmentioning

confidence: 84%

“…Thus, values close to 3 to 4 g kg -1 represent lower limit for the occurrence of deficiency. Still, the only visual analysis of K symptom may not be the most appropriate, since it manifests itself in very low concentrations, and the detrimental effect on growth is slower than the onset of the symptom, since only from the 24 th month onwards decrease in growth (BASSACO et al, 2018).…”

Section: Macronutrient Concentrationmentioning

confidence: 99%

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FOLIAR COMPOSITION OF Eucalyptus urograndis IN TWO SITES FERTILIZED WITH N, P AND K IN SOUTHERN BRAZIL

Bassaco¹,

Motta

Nisgoski

et al. 2019

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The leaf composition has been used as a tool in establishing the nutritional diagnosis and evaluation of the effectiveness of the use of nutrients. This knowledge is still scarce in subtropical conditions of cultivation. In this sense, the study aims to evaluate the effect of N, P and K fertilization on leaf concentration of Eucalyptus urograndis. The experiments were installed in the Oxisols of the sandy-loam texture, in the counties of Jaguariaíva and Ventania, state of Paraná. In the N and P experiments, the following doses: 0; 30; 60; 120 and 240 kg ha-1 of N and P2O5; and 0; 35; 70; 140 and 280 kg ha-1 K2O, split in four applications: during planting and side dressing at 3, 9 and 12 months of age. The response was evaluated according to the nutritional status of the plants at 12, 24 and 36 months, by foliar concentration. It also evaluated levels of K deficiency plant through visual and chemical analysis. The application of N and P did not result in alteration in the leaf contents of the same in all evaluated periods and in the two regions, with a slight decrease in the concentrations with time. A different effect occurred with K at the Jaguariaíva site, which altered its foliar concentration at the 24th and 36th month, and increased foliar concentrations with time. These effects demonstrate that foliar diagnosis, through foliar concentrations, may present limitations of interpretation and should not be evaluated separately for fertilization recommendation.

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Section: Temporal Variation Of Macros Micronutrients and Aluminum Inmentioning

confidence: 55%

Section: Macronutrient Concentrationmentioning

confidence: 84%

Section: Macronutrient Concentrationmentioning

confidence: 99%

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FOLIAR COMPOSITION OF Eucalyptus urograndis IN TWO SITES FERTILIZED WITH N, P AND K IN SOUTHERN BRAZIL

Bassaco¹,

Motta

Nisgoski

et al. 2019

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“…The majority of plants, including eucalyptus hybrid, would grow well and avoid detrimental growth when they absorbed sufficient soil nutrients. Many studies have reported that most eucalyptus trees were highly required the adequate phosphorus nutrient (Albaugh et al, 2015;Novais et al, 2016;Bassaco et al, 2018). Unfortunately, soil type in the study site was classified as ultisols with low phosphorus availability (Nurudin et al, 2013).…”

Section: Resultsmentioning

confidence: 90%

Interaction of Fertilization and Weed Control Influences on Growth, Biomass, and Carbon in Eucalyptus Hybrid (E. pellita × E. brassiana)

Wirabuana

Sadono

Juniarso³

et al. 2020

jtfm

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Fertilization and weed control are regularly conducted as the main silvicultural prescriptions in the eucalyptus plantation. However, the both treatment's interaction effects on eucalyptus performance are still not deeply understood, even though these treatments require high investment. This circumstance may potentially inhibit the managers in formulating a more efficient maintenance strategy for increasing stand productivity. This study examined the interaction effects of fertilization and weed control on growth, biomass, and carbon storage in eucalyptus hybrid (E. pellita E. brassiana). Results demonstrated that without both treatments, the average stand 3-1-1 volume only reached 37.9 m ha with the mean biomass and carbon storage approached 25.4 and 12.7 Mg ha , 3-1 respectively. In contrast, the use of both treatments simultaneously improved the mean volume around 60.4 m ha-1 with the average biomass and carbon storage closed to 37.6 and 18.8 Mg ha. The development of eucalyptus hybrid 3-1 using fertilization without weed control only gained the mean wood production approximately 58.7 m ha. In 3-1 contrast, weed control application without fertilization only resulted in an average volume of nearly 43.7 m ha. These facts indicated fertilization exhibited more substantial influence than weed control on the performance of eucalyptus hybrid.

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“…Similar to S, organic matter can also be a major nitrogen (N) soil reservoir. At the same locations (Bassaco et al, 2018), the absence of N response in Eucalyptus over three years suggested an adequate supply via Soil Organic Matter (SOM) and litter decay. In another Brazilian Eucalyptus study, adequate concentrations of N supplied by organic matter decomposition resulted in little or no response to applied N (Gazola et al, 2015).…”

Section: /10mentioning

confidence: 99%

Dendrometric Analysis of Early Development of Eucalyptus urophylla x Eucalyptus grandis with Gypsum use Under Subtropical Conditions

Ferreira¹,

Bassaco²,

Pereira

et al. 2020

Floresta Ambient.

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Gypsum can be used as a source for calcium (Ca) and sulphurum (S) for plants, as well as an acid, that is, a natural soil conditioner. Aiming to determine the influence of gypsum on the development of Eucalyptus urograndis in Brazil, an experiment was conducted at two locations in Paraná State. Experiments were conducted with rates of 0, 0.3, 0.6, 1.2, 2.4, 4.8 and 9.6 Mg ha-1 to verify the method of broadcast planting in a randomized block design with four repetitions. Diameter and height of plants were measured every six months and volume was determined after 36 months. There was a difference in Eucalyptus growth between the two areas, possibly related to differences in planting season and climate. Gypsum did not influence on the dendrometric growth of Eucalyptus trees. The lack of a response to gypsum, as a source of Ca, S and soil conditioner, was discussed based on soil type, Eucalyptus tolerance to soil acidity, and climatic conditions in the period evaluated.

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Nitrogen, phosphorus, and potassium requirements for Eucalyptus urograndis plantations in southern Brazil

Cited by 30 publications

References 28 publications

FOLIAR COMPOSITION OF Eucalyptus urograndis IN TWO SITES FERTILIZED WITH N, P AND K IN SOUTHERN BRAZIL

FOLIAR COMPOSITION OF Eucalyptus urograndis IN TWO SITES FERTILIZED WITH N, P AND K IN SOUTHERN BRAZIL

Interaction of Fertilization and Weed Control Influences on Growth, Biomass, and Carbon in Eucalyptus Hybrid (E. pellita × E. brassiana)

Dendrometric Analysis of Early Development of Eucalyptus urophylla x Eucalyptus grandis with Gypsum use Under Subtropical Conditions

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