草炭和风化煤对水稻根系活力和养分吸收的影响  

Effects of peat and weathered coal on activity of rice root system and its nutritional absorption.

作　　者：宋轩[1] 曾德慧[1] 林鹤鸣[1] 山口.达明[2] 西崎.泰[2] 山田.帕丽达 

机构地区：[1]中国科学院沈阳应用生态研究所陆地生态过程开放实验室,沈阳110016 [2]日本千叶工业大学工业化学系,日本千叶2750016

出　　处：《应用生态学报》2001年第6期867-870,共4页Chinese Journal of Applied Ecology

基　　金：日本草炭研究会与中国科学院沈阳应用生态研究所陆地生态过程开放实验室资助项目 (2 0 0 1 1 0 )

摘　　要：采用盆栽试验法 ,研究了草炭和风化煤对水稻根系的α 萘胺氧化力和养分吸收的影响 .结果表明 ,草炭和风化煤的施入 ,改善了盐碱土的养分供应状况 ,在水稻的各生育时期均不同程度地提高根系活力 ,增加了水稻的产量 ,促进了水稻对N、P2 O5、K2 O、CaO和MgO等养分的吸收 ;草炭对水稻的增产效果要好于相同数量的风化煤 .Effects of peat and weathered coal on activity of rice root system and its nutritional absorption were studied by pot experiment.The results showed that adding peat and weathered coal improved α-naphthyl amine oxidizing activity of root system during the different growing phases of rice,ameliorated the nutrient supplying of saline-alkali soil,enhanced the yield of rice,and increased the nutritional absorption of N,P\-2O\-5,K\-2O,CaO,and MgO by rice.To increase productivity,peat is better than the same quantity of weathered coal.

关 键 词：草炭 风化煤 根系活力 养分吸收 水稻 土壤肥力 

分 类 号：S511[农业科学—作物学]