摘要
通过对信阳烟区187个有代表性的各类烟田灌溉水样分析表明,全市灌溉水全盐量平均为207.6mg/L,氯含量平均为28.0mg/L。4个烤烟主产县区比较,全盐含量和氯含量顺序相同,均为:淮滨>罗山>平桥〉固始。信阳市绝大部分(98.85%)烟田灌溉水全盐量符合烤烟生产要求;固始县各类烟田灌溉水及平桥区绝大部分(95.2%)烟田灌溉水氯含量适宜,淮滨县和罗山县约有45.0%和55.6%的烟田灌溉水氯含量适宜。
The analysis on 187 typical tobacco growing districts of Xinyang shows that the average total salt content of irrigating water is 207.6mg/L and the average chlorine content is 28.0 mg/L. Compared four main tobacco growing districts ,the total salt and chlorine content of Huaibin is more than that of Luoshan .And that of Pingqiao is the third .Gushi is the least .The total salt content of mostly growing distract accord with tobacco production requiration .The chlorine content of irrigating water is proper in the 95.2 percent tobacco growing districts . And in the Huaibin and Luoshan is 45.0 percent and 55.6 percent respectively.
出处
《中国农学通报》
CSCD
2004年第3期141-142,148,共3页
Chinese Agricultural Science Bulletin
基金
河南省烟草专卖局重大科技攻关项目(HYKJ200202)
