Nitrogen use efficiency with the application of controlled release fertilizers coated with Kraft pine lignin

Garcı́a, Carlos; Vallejo, Antonio; Díez, Javier López; García, Ligia; Cartagena, M. C.

doi:10.1080/00380768.1997.10414768

Cited by 16 publications

(4 citation statements)

References 10 publications

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“…However, high production costs and contamination linked to synthetic fertilizers and waste materials, together with increasingly restrictive environmental policies, have forced new ecological materials to be sought to allow sustainable fertilization [40,41]. The use of water-soluble synthetic products or natural polymers based on lignin has been indicated as an alternative to these problems because they can be obtained in large quantities and at cheap prices from the waste generated in the paper industry, from wood and other sources [42,43].…”

Section: Discussionmentioning

confidence: 99%

New Eco-Friendly Polymeric-Coated Urea Fertilizers Enhanced Crop Yield in Wheat

et al. 2020

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Presently, there is a growing interest in developing new controlled-release fertilizers based on ecological raw materials. The present study aims to compare the efficacy of two new ureic-based controlled-release fertilizers formulated with water-soluble polymeric coatings enriched with humic acids or seaweed extracts. To this end, an experimental approach was designed under controlled greenhouse conditions by carrying out its subsequent field scaling. Different physiological parameters and crop yield were measured by comparing the new fertilizers with another non polymeric-coated fertilizer, ammonium nitrate, and an untreated ‘Control’. As a result, on the microscale the fertilizer enriched with humic acids favored a better global response in the photosynthetic parameters and nutritional status of wheat plants. A significant 1.2-fold increase in grain weight yield and grain number was obtained with the humic acid polymeric fertilizer versus that enriched with seaweed extracts; and also, in average, higher in respect to the uncoated one. At the field level, similar results were confirmed by lowering N doses by 20% when applying the humic acid polymeric-coated produce compared to ammonium nitrate. Our results showed that the new humic acid polymeric fertilizer facilitated crop management and reduced the environmental impact generated by N losses, which are usually produced by traditional fertilizers.

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Section: Discussionmentioning

confidence: 99%

New Eco-Friendly Polymeric-Coated Urea Fertilizers Enhanced Crop Yield in Wheat

et al. 2020

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“…Reductions in N 2 O emission levels have also been found when using thermoplastic resin-coated urea [ 33 ]. In this context, the use of lignin-based, water-soluble synthetic products or natural polymers represents an alternative to these problems posed by CRFs produced from plastic polymers, as they can be obtained in large quantities and cheaply from the waste generated in the paper and wood industries [ 34 , 35 ]. Presently, SCRFs have been limited mainly to horticultural and ornamental crops, and they are not well established in extensive cropping.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Agronomic Efficiency Using a New Controlled-Released, Polymeric-Coated Nitrogen Fertilizer in Rice

Gil‐Ortiz

Gutiérrez–Naranjo

Ruíz-Navarro

et al. 2020

Plants

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Fertilizer-use efficiency is one of the most critical concerns in rice cultivation to reduce N losses, increase yields, and improve crop management. The effects of a new polymeric-coated controlled-release fertilizer (CRF) were compared to those of other slow-release and traditional fertilizers in a microscale experiment, which was carried out in cuvettes under partly controlled ambient conditions, and a large-scale field experiment. To evaluate the fertilizer’s efficiency, nitrogen and water-use efficiency were calculated using the measurement of different photosynthetic and crop yield parameters. Improved responses regarding some of the analyzed physiological and growth parameters were observed for those plants fertilized with the new CRF. In the microscale experiment, significantly increased yields (ca. 35%) were produced in the plants treated with CRF as compared to traditional fertilizer. These results were in accordance with ca. 24% significant increased levels of N in leaves of CRF-treated plants, besides increased P, Fe, Mn, and cytokinin contents. At the field scale, similar yields were obtained with the slow-release or traditional fertilizers and CRF at a 20% reduced N dose. The new controlled-release fertilizer is a urea-based fertilizer coated with lignosulfonates, which is cheaply produced from the waste of pulp and wood industries, containing humic acids as biostimulants. In conclusion, CRF is recommended to facilitate rice crop management and to reduce contamination, as it can be formulated with lower N doses and because it is ecological manufacturing.

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“…García et al (7) and Dou and Alva (2) reported that polyolefin-or lignin-coated N fertilizers were particularly effective in minimizing N losses and enhancing N-use efficiency in sandy soils. DeDatta (8) indicated that application of coated N fertilizers would increase fertilizer N-use efficiency in paddy rice fields by reducing ammonia volatilization.…”

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confidence: 98%

Nitrogen recovery of coated fertilizers and influence on peanut seed quality for peanut plants grown in sandy soil

Geyi

Mori

Yamamoto

et al. 2001

Communications in Soil Science and Plant Analysis

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Warm and high precipitation climates in most area of Japan are suitable for growing crops. However, the arable lands are limited. A small scale field experiment was conducted on a sandy soil in the Tottori sand dune to test nitrogen (N)-use efficiency from a regular N fertilizer {ammonium sulfate [(NH 4 ) 2 SO 4 ]} and a mixture of resin-coated N fertilizers for peanut (Arachis hypogaea L. cv. Hanritusei) production. Nitrogen was applied at 30, 60, 90, and 120 kg N ha 21 for the regular N, and at 60, 90, and 120 kg N ha 21 for the mixture of coated N-phosphorous (P)-potassium (K) 80 days, NPK 140 days and ammonium nitride (NH 4 NO 3 ) + limestone 120 days, each providing 35, 35, and 30% of N supplied. Sufficient P and K and a micronutrient fertilizer were included. Water was applied through drip irrigation. The seed yields were 81 to 137% higher with the coated N than with 3121 ORDER REPRINTS the equivalent amounts of regular fertilizer N. Nitrogen recovery rates were 10% to32% for the regular N and 79 -94% (average 86%) for the coated N. The high recoveries obtained with the coated N were due to the fact that N release matched crop N uptake and the fertilizer placement (beneath the seeds) allowed for immediate uptake. A highly effective N fertilization management program for crop production on this sandy soil is possible. A carbon (C):N ratio of 16.9 and 13.4 in the seeds was found with the regular N and the high rates of coated N treatments, respectively, indicating the seed quality was significantly affected by N application from the different sources.

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Nitrogen use efficiency with the application of controlled release fertilizers coated with Kraft pine lignin

Cited by 16 publications

References 10 publications

New Eco-Friendly Polymeric-Coated Urea Fertilizers Enhanced Crop Yield in Wheat

New Eco-Friendly Polymeric-Coated Urea Fertilizers Enhanced Crop Yield in Wheat

Enhanced Agronomic Efficiency Using a New Controlled-Released, Polymeric-Coated Nitrogen Fertilizer in Rice

Nitrogen recovery of coated fertilizers and influence on peanut seed quality for peanut plants grown in sandy soil

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