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Please use this identifier to cite or link to this item: https://scholars.tari.gov.tw/handle/123456789/7006
Title: Soil Fertility Management of Sustainable Agriculture in Chinese Taipei
Authors: Chong-Ho Wang
Issue Date: Mar-2004
Publisher: 農業試驗所
Related Publication(s): 農業試驗所特刊第109號
Start page/Pages: 245-263
Source: The 3rd APEC Workshop on Sustainable Agricultural Development 
Conference: The 3rd APEC Workshop on Sustainable Agricultural Development
Abstract: 
Of the major fertility management practices for wet rice, N fertilization is the most important. Since the type of cultivar and the climate have a profound effect on crop productivity, recommendations of N rates for rice are based primarily on the variety, the region and the cropping season. Recommendations of P and K rates are based primarily on results of soil testing for available P and K in the soiL There has, however, been a significant decline in rice response to these nutrients, compared with the response observed in the past, and in consequence there has been an accumulation of available P in the soil. More research should be done on whether further applications at such high rates are really needed. It is much stressed to develop the ¡§on-site¡¨ and quick soil diagnosis to regulate and recommend rational fertilization in vegetable fields. Particularly in intensive cropped vegetable production for envionmental conservation. Leaf diagnosis and soil testing present as a guide for economic fertilization of orchards. Thus, The extension work of nutrient diagnosis in fertilizer recommendation service by leaf analysis and soil test should be strengthened and made really available to farmers.
URI: https://scholars.tari.gov.tw/handle/123456789/7006
ISBN: 957-01-6963-1
Appears in Collections:農業化學組

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