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Authors Zhang, JF; Xing, SJ; Zhou, JX; Zhang, XD; Xi, JB; Song, YM
[=Group Author] CSTP
Author Full Name Zhang, JF; Xing, SJ; Zhou, JX; Zhang, XD; Xi, JB; Song, YM
Title Study on cultural technologies and salt-resistance of Nitraria sibirica in coastal areas with serious salt-affected soil
Source PROCEEDINGS OF THE WORLD ENGINEERS' CONVENTION 2004, VOL F-A, RESOURCES AND ENERGY
Language English
Document Type Proceedings Paper
Conference Title World Engineers Convention 2004
Conference Date NOV 02-06, 2004
Conference Location Shanghai, PEOPLES R CHINA
Conference Sponsors Shanghai Baosteel Grp Corp, Shanghai Automot Ind Corp, China Natl Petroleum Corp, China Petrochem Corp, State Grid Corp China, Shanghai Huizhong Automat Mfg Co Ltd, China Aerosp Sci & Technol Corp, China Yangtze Three Gorges Project Dev Corp, China Natl Nucl Corp, BMW Grp Beijing, Chun Wo Construct & Engn Co Ltd, Shui On Land Ltd, Air China
Keywords Plus TOLERANCE; LAND
Abstract In this research, five Nitraria sibirica seed provenances such as Dayilu were selected to do experiment of salt-resistance, combining fixed plots test with typical plot investigation, measuring survival rate and growth as main indicators. The experiments of main cultural technology were done on Nitraria sibirica in 4 types of site preparation, 3 types of planting, 3 designs for planting density. The Nitraria sibirica experiments for the effects of curbing salt and improving soil were done by testing soil nutrients, salt content, soil physical properties as focal points in typical site of 3-4 years woods. The experiment results show that the Nitraria sibirica could survive well at soil salt content of 0.6%, survival rate declined distinctively as soil salt content exceeding 0.8%, however, high soil salt content did not influenced growth in the year of planting. There were obvious differences for salt-tolerance among Nitraria sibirica seed provenances; the Dayilu was the best on salt-tolerance, the other four seed provenances had no differences, and obviously inferior to Dayilu. The thousand-fruit-weight of Dayilu (average 211.5g) was higher than the other four seed provenances (118-192g) The different types of site preparation clearly influenced planting survival rate, conserving rate and growth. The method of two-ploughing-two-harrowing was the best among all four site preparation types. Seed forestation was largely limited, bared-rooted seedling forestation may be popularised when soil salt con-tent was less than 1% and soil moisture content was better in spring. Forestation with contained seedling was suited to coastal saline soil in rain season. The optimum planting density of Nitraria sibirica was 2505/ha in the Yellow river delta area in view of coverage rate, yield of fruits, and cost of planting. Generally spoken Nitraria sibirica could effectively refrain soil from accumulation of salt in the surface soil, decrease salt content and increase soil nutrient, heighten soil capillary pore rate.
Author Address Chinese Acad Forestry, Beijing 100093, Peoples R China
Reprint Address Zhang, JF (corresponding author), Chinese Acad Forestry, Beijing 100093, Peoples R China.
Times Cited 2
Total Times Cited Count (WoS, BCI, and CSCD) 2
Publisher CHINA SCIENCE TECHNOLOGY PRESS
Publisher City BEIJING
Publisher Address 32 BAISHIQIAOLU, BEIJING 100081, PEOPLES R CHINA
Year Published 2004
Beginning Page 281
Ending Page 285
Page Count 5
Web of Science Category Energy & Fuels; Water Resources
Subject Category Energy & Fuels; Water Resources
Document Delivery Number BDE34
Unique Article Identifier WOS:000233029500049
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