Academic Journal
Yield gains of coffee plants from phosphorus fertilization may not be generalized for high density planting
| العنوان: | Yield gains of coffee plants from phosphorus fertilization may not be generalized for high density planting |
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| المؤلفون: | Samuel Vasconcelos Valadares, Júlio César Lima Neves, Roberto Ferreira Novais, Gustavo Nogueira Guedes Pereira Rosa, Hermínia Emília Prieto Martinez, Víctor Hugo Alvarez V. |
| المصدر: | Revista Brasileira de Ciência do Solo, Vol 38, Iss 3, Pp 905-911 (2014) |
| بيانات النشر: | Sociedade Brasileira de Ciência do Solo, 2014. |
| سنة النشر: | 2014 |
| المجموعة: | LCC:Agriculture (General) |
| مصطلحات موضوعية: | Coffea arabica, nutrição mineral, bienalidade, Agriculture (General), S1-972 |
| الوصف: | Inconclusive responses of the adult coffee plant to phosphorus fertilization have been reported in the literature, especially when dealing with application of this nutrient in high density planting systems. Thus, this study was carried out for the purpose of assessing the response of adult coffee plants at high planting density in full production (in regard to yield and their biennial cycle/stability) to the addition of different sources and application rates of P in the Zona da Mata region of Minas Gerais, Brazil. The experiment with coffee plants of the Catucaí Amarelo 6/30 variety was carried out over four growing seasons. Treatments were arranged in a full factorial design [(4 × 3) + 1] consisting of four P sources (monoammonium phosphate, simple superphosphate, natural reactive rock phosphate from Algeria (Djebel-Onk), and FH 550®), three P rates (100, 200, and 400 kg ha-1 year-1 of P2O5), and an additional treatment without application of the nutrient (0 kg ha-¹ year-¹). A randomized block experimental design was used with three replicates. The four seasons were evaluated as subplots in a split plot experiment. The P contents in soil and leaves increased with increased rates of P application. However, there was no effect from P application on the yield and its biennial cycle/stability regardless of the source used over the four seasons assessed. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1806-9657 0100-0683 |
| Relation: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000300022&lng=en&tlng=en; https://doaj.org/toc/1806-9657 |
| DOI: | 10.1590/S0100-06832014000300022 |
| URL الوصول: | https://doaj.org/article/2375f86e85fa43da8c1e1ef49cb894fa |
| رقم الانضمام: | edsdoj.2375f86e85fa43da8c1e1ef49cb894fa |
| قاعدة البيانات: | Directory of Open Access Journals |
| تدمد: | 18069657 01000683 |
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| DOI: | 10.1590/S0100-06832014000300022 |