دورية أكاديمية
Comparing application methods for N-fertilizer in the sugar beet crop (Beta vulgaris L. subsp. vulgaris).
| العنوان: | Comparing application methods for N-fertilizer in the sugar beet crop (Beta vulgaris L. subsp. vulgaris). |
|---|---|
| المؤلفون: | AMADUCCI, MARIA TERESA, BARBANTI, LORENZO, VENTURI, GIANPIETRO |
| المساهمون: | AMADUCCI M.T., BARBANTI L., VENTURI G. |
| سنة النشر: | 2006 |
| المجموعة: | IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) |
| مصطلحات موضوعية: | FERTILIZER PLACEMENT, NITRATES, NITROGEN, SUGAR BEET |
| الوصف: | BACKGROUND. Sugar beet seeders have been developed in other countries, in order to place nitrogen into the soil at a few centimeters from the seed. Placing fertilizer has proved safe for seedling emergence, successful in reducing soil residual nitrogen at harvest, sometimes even better-yielding than broadcast applications. METHODS. In a 3-year research on sugar beet, spreading fertilizer on the soil surface followed by incorporation was compared with placing in rows 6 and 3 cm far from the seed ones, slightly deeper than the seed, in combination with two rates of urea-N, 60 and 120 kg ha-1, plus an unfertilized check. The course of soil mineral nitrogen and that of N-uptake were evaluated during crop cycle. Yield and quality were evaluated at harvest. RESULTS. Nitrogen placement close to the seed (3 cm) negatively affected crop emergence. In the plant-soil system, placement showed a higher soil N-content in the first phases and a lower plant uptake at harvest. As for yield, placement attained a slightly-lower level than broadcasting at 60 kg N ha-1 of N, almost the same at 120. No significant difference in quality was observed between the two patterns. CONCLUSIONS. At a certain distance from the seed, placement proved a safe way of applying fertilizer. Its yield and quality, the uptake by the plant and the amount of soil residual-N are comparable with those of broadcast fertilizer; in the case of soil nitrogen, it is perceived that the year/location effect is potentially stronger than that of rate/pattern of application. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | STAMPA |
| اللغة: | English |
| العلاقة: | volume:1; firstpage:51; lastpage:61; numberofpages:11; journal:ITALIAN JOURNAL OF AGRONOMY; http://hdl.handle.net/11585/760Test; https://www.agronomy.it/index.php/agro/article/view/ija.2006.51Test |
| DOI: | 10.4081/ija.2006.51 |
| الإتاحة: | https://doi.org/10.4081/ija.2006.51Test http://hdl.handle.net/11585/760Test https://www.agronomy.it/index.php/agro/article/view/ija.2006.51Test |
| حقوق: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.37EE55D0 |
| قاعدة البيانات: | BASE |
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