2017
DOI: 10.6001/zemesukiomokslai.v24i3.3554
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The influence of different nitrogen forms and application time on winter wheat

Abstract: ), vidutinio humusingumo (2,47-2,82 %).Nustatyta, kad mineralinio azoto kiekis dirvožemyje, praėjus 7 dienoms po žieminių kviečių tręšimo amonio ir nitratinę formas turinčiomis trąšomis, buvo vidutiniškai 23,9 % didesnis, negu tręšiant amidinėmis trą-šomis. Žieminių kviečių chlorofilo indeksą ir asimiliacinį lapų plotą esmingai didino amonio ir nitratinę bei amidinę formas turinčios azoto trąšos. Šiems rodikliams efektyvesnės buvo amonio ir nitratinę formas turinčios azoto trąšos tik tuo atveju, kai žieminiai … Show more

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Cited by 2 publications
(3 citation statements)
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“…Another important factor is the cultivated agricultural crops, their change, and the use of fertilizers and other chemicals [21][22][23]. The amount of mineral nitrogen (N-NH 4 and N-NO 3 ) in the soil is very important for plant nutrition, which is constantly changing due to the activity of microorganisms, fertilization technologies, precipitation, ambient temperature, granulometric composition, organic matter content, soil moisture, and other factors [24][25][26][27]. The amount of nitrogen in the soil not only determines the yield and quality of agricultural crops, but its excess has a negative impact on the environment.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Another important factor is the cultivated agricultural crops, their change, and the use of fertilizers and other chemicals [21][22][23]. The amount of mineral nitrogen (N-NH 4 and N-NO 3 ) in the soil is very important for plant nutrition, which is constantly changing due to the activity of microorganisms, fertilization technologies, precipitation, ambient temperature, granulometric composition, organic matter content, soil moisture, and other factors [24][25][26][27]. The amount of nitrogen in the soil not only determines the yield and quality of agricultural crops, but its excess has a negative impact on the environment.…”
Section: Introductionmentioning
confidence: 99%
“…The amount of nitrogen in the soil not only determines the yield and quality of agricultural crops, but its excess has a negative impact on the environment. Once in the soil, nitrogen is constantly transformed, and its most dangerous form is nitrates [27][28][29]. The nitrate concentration in the soil can be increased by mineralization processes of organic matter that are too fast, excessive amounts of fertilizers, high environmental and soil temperatures, and slow infiltration properties of the topsoil [25,30,31].…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, it is important to distribute N fertilisers correctly for crops during the growing season (Leghari et al, 2016;Morari et al, 2021). According to trials and production experience, winter wheat is fertilised at a rate of 30 kg ha -1 N in the autumn or not fertilised, if the soil is well cultivated or rich in mineral nitrogen (N min ) (Smalstienė et al, 2017).…”
Section: Introductionmentioning
confidence: 99%