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ORIGINAL PAPER
Diversification of chloroplast pigment contents determined by differential selection of agriculture practices in maize cultivation
1
Uniwersytet Przyrodniczy w Poznaniu
2
Instytut Ochrony Roślin - Państwowy Instytut Badawczy
Journal of Research and Applications in Agricultural Engineering 2021;66(2):16-21
KEYWORDS
ABSTRACT
The article presents the results of a 3-year field study aimed at evaluating the effect of sowing method and NP fertilizer application on chloroplast pigment contents in two different types of maize (Zea mays L.) varieties. Cultivation method regardless of the years significantly shaping chloroplast pigment contents is the same factor that determines maize yield. Variety selection can but to a small extent correct the adverse effects of direct sowing systems on chlorophyll content. The lack of differences in the nitrogen nutritional status (SPAD) of plants at the BBCH 67 stage despite the considerable diversification of the experimental factor levels indicates good conditions for the uptake of this nutrient in the period up to flowering. Selection of the variety in combination with row NP fertilization is the factor supporting the nutritional status of maize at this stage. The “stay-green” type should be the more predisposed maize variety for direct sowing and row fertilization under these conditions due to the higher chlorophyll content of leaf blades.
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| eISSN: | 2719-423X |
| ISSN: | 1642-686X |
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