IRRIGATION AND POTASSIUM FERTILIZATION BY FERTIGATION IN BANANA 'WILLIANS' - PRODUCTION AND FRUIT QUALITY

被引：3

作者：

Martins, Adriana Novais ^{[1
]}

Junqueira Teixeira, Luiz Antonio ^{[2
]}

Suguino, Eduardo ^{[3
]}

Hashimoto, Jorge Minoru ^{[4
]}

Narita, Nobuyoshi ^{[5
]}

机构：

[1] APTA Ctr Oeste DDD SAA, BR-17515200 Marilia, SP, Brazil

[2] IAC APTA SAA, Ctr Solos & Recursos Ambientais, BR-13012970 Campinas, SP, Brazil

[3] APTA Ctr Leste DDD SAA, BR-14030670 Ribeirao Preto, SP, Brazil

[4] Grp Engn Poscolheita ITAL APTA SAA, BR-13070178 Campinas, SP, Brazil

[5] APTA Alta Sorocabana DDD SAA, BR-19015970 Prudente, SP, Brazil

来源：

REVISTA BRASILEIRA DE FRUTICULTURA | 2011年 / 33卷 / 01期

关键词：

Musa sp; potassium; banana; nutrient use efficiency; GROWTH; MAGNESIUM;

D O I：

10.1590/S0100-29452011000500104

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

The application of nutrients through irrigation water increases their efficiency of utilization by plants. The objective of this study was to evaluate the effects of potassium fertilization and irrigation on the yield and fruit quality of banana cv. Willians, in the Medio Paranapanema Region, Sao Paulo. Four water regimes were evaluated: rainfed, 0.7 of the reference evapotranspiration (ETo), 1.4 ETo and 2.1 ETo, combined with four doses of potassium: 0, 300, 600 and 900 kg ha year(-1) K2O, applied weekly by fertigation. Under rainfed, potassium fertilization was applied during the rainy season, split into four times. Potassium fertigation affects positively both the production and the quality of the fruits of banana cv. Willians. In addition, the fertigation increased nutrient use efficiency when compared to fertilization under rainfed conditions.

引用

页码：743 / 751

页数：9

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