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doi:10.1016/b978-1-4832-3298-0.50008-4

Cited by 2 publications

(2 citation statements)

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“…For agricultural soils with low natural fertility, an application of a wide range of nutrient-rich substrates are recently under discussion [1][2][3]. To reduce the use of commercial conventional inorganic fertilizers the possibility of using pulp and paper industry wastes in agriculture as an alternative source of nutrients is also under study [4,5]. Lignosulfonates (LSs), which are by-products from the paper industry, can be applied as a soil conditioner and chelate fertilizer [6,7].…”

Section: Introductionmentioning

confidence: 99%

Nutrient and Water Use Efficiency at Leaf Level of Cucumber Plants under Contrasting Soil Nutrient and Lignosulfonate Level

Ikkonen¹,

Chazhengina

Jurkevich³

2020

The 1st International Electronic Conference on Plant Science

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To reduce the use of commercial conventional inorganic fertilizers, the possibility of using pulp and paper industry wastes in agriculture as an alternative source of nutrients has recently been under study and discussion. This work aimed to evaluate the effect of sodium lignosulfonate application to soil on photosynthetic leaf nutrient (N, P, K, Ca, Mg, Fe, and Mn) and water use efficiency. A pot culture experiment was conducted with cucumber seedlings using five lignosulfonate concentrations (0, 1, 2.5, 5, and 10 vol. %) in sandy soil under sufficient or low nutrient availability for plants. The impact of nutrient availability on plant physiological traits was stronger than the lignosulfonate impact. Under the condition of sufficient nutrient availability, the lignosulfonate application decreased N, P, K, Ca, Mg, and Fe use efficiency, increased Mn use efficiency, and did not change water use efficiency. The decrease in nutrient use efficiency was connected with both photosynthetic rate decrease and leaf nutrient content increase. The decline in soil nutrient availability caused a decrease in nutrient and water use efficiency. Under low nutrient availability, soil lignosulfonate tended to increase nutrient and water use efficiency, but it was not successful in eliminating the negative effects of soil nutrient deficiency on plant growth, photosynthetic processes, and efficiency of nutrient use.

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Section: Introductionmentioning

confidence: 99%

Nutrient and Water Use Efficiency at Leaf Level of Cucumber Plants under Contrasting Soil Nutrient and Lignosulfonate Level

Ikkonen¹,

Chazhengina

Jurkevich³

2020

The 1st International Electronic Conference on Plant Science

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“…The filtrates were collected at certain time intervals (1, 3, 5, 10, 15, 20, and 25 days) by adding 20 mL of tap water. The total N content of samples was determined by the Kjeldahl method (Bradstreet 1965). The ammonium (NH4 + ) or nitrate (NO3 -) content was determined through agitated extraction.…”

Section: Nitrogen Release Behavior and Biodegradation In Soilmentioning

confidence: 99%