RECENT RESEARCH ON FERTILIZER PROBLEMS IN ASIAN AGRICULTURE

被引：9

作者：

CRASWELL, ET

KARJALAINEN, U

机构：

[1] Australian Centre for International Agricultural Research, Canberra

来源：

FERTILIZER RESEARCH | 1990年 / 26卷 / 1-3期

关键词：

NITROGEN; SULFUR; BORON; UPLAND AND LOWLAND CROPS;

D O I：

10.1007/BF01048762

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Asian agriculture has made enormous gains in food production despite rapid population growth and a shortage of land. This paper reviews the role of fertilizer in agricultural production and the results of recent research on fertilizers and plant nutrition in the region. Fertilizer use has contributed greatly to the increase in food production which has occurred largely in the high potential areas. In these areas research has shown that losses reduce the efficiency of broadcast urea and that the use of high analysis fertilizers is inducing sulfur deficiency in some areas. In upland areas, research has highlighted a major problem of boron deficiency in Thailand. Research progress is being made in understanding the magnitude of nitrogen fixation inputs and the role of shrub legumes in upland systems.

引用

页码：243 / 248

页数：6

共 18 条

[1]

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[2]

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[3]

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[4]

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[5]

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[6]

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[7]

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[8]

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[9]

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[10]

Nangju D., Soil management research: a suggested approach, Soil management under humid conditions in Asia (ASIALAND), proc. of the first regional seminar on soil management under humid conditions in Asia and the Pacific, Khon Kaen, Phitsanulok, Thailand, 13–20 October 1986, pp. 69-95, (1987)

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