THE COMPARATIVE AGRONOMIC EFFECTIVENESS OF ROCK PHOSPHATE AND SUPERPHOSPHATE FOR BANANA

被引：5

作者：

LIN, ML

FOX, RL

机构：

[1] Department of Tea Agronomy, Taiwan Tea Experiment Station, Yangmei, Taoyuan

[2] Department of Agronomy and Soil Science, University of Hawaii, Honolulu, 96822, HI

来源：

FERTILIZER RESEARCH | 1992年 / 31卷 / 02期

关键词：

ROCK PHOSPHATE; AGRONOMIC EFFECTIVENESS; BANANA; MYCORRHIZA; P-UPTAKE; EXTRACTABLE-P; P-DEFICIENCY SYMPTOMS;

D O I：

10.1007/BF01063287

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

The agronomic effectiveness of three rock phosphates (Idaho, Florida and North Carolina) as influenced by mycorrhizal inoculation with Glomus aggregatum was evaluated using small banana (Musa paradisiaca L.) corms as planting material. The treatments included superphosphate and a no-P control. The soil was fumigated to eliminate mycorrhizal propagules. The amount of P added was based on the quantity of material needed as superphosphate to establish 0.2 mg P L-1 in solution. Plants were grown in an Oxisol in 9-liter pots for 3 months after growth commenced. Plant dry weight, P percentage in the 3rd leaf, and total P uptake were increased when plants fertilized with insoluble rock phosphates were inoculated with mycorrhiza-producing fungi. Phosphorus uptake by plants fertilized with Idaho, Florida, and North Carolina rock phosphates was 0.18, 0.42, and 0.97 as much as by plants fertilized with superphosphate. The beneficial effect of mycorrhiza on phosphate uptake was 136, 30, 2 and 24 % for plants fertilized with Idaho, Florida and North Carolina rock phosphate, and superphosphate, respectively.

引用

页码：131 / 135

页数：5

共 8 条

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[2]

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