| 黑土农田供肥能力及化肥利用率的试验研究 |
| |
| 引用本文： | 韩秉进,陈渊,孟凯,乔云发.黑土农田供肥能力及化肥利用率的试验研究[J].土壤通报,2004,35(3):264-266. |
| |
| 作者姓名： | 韩秉进 陈渊 孟凯 乔云发 |
| |
| 作者单位： | 中国科学院东北地理与农业生态研究所,黑龙江,哈尔滨,150040 |
| |
| 基金项目： | 中国科学院创新工程项目黑土肥力质量安全及调控课题(KZCXZ-SW-416)，退化黑土农田生态系统修复课题(KZCX1-SW-19-5-02)的部分内容 |
| |
| 摘 要： | 在氮磷钾配合施用条件下,黑土农田土壤养分的供给能力大幅度增加,土壤可以供氮145.5kghm-2、供磷84 2kghm-2、供钾160.7kghm-2;施用氮肥的增产效果显著、肥效高、对吸收磷钾元素的协助作用大,但土壤供氮潜力较磷钾小。黑土农田要特别重视氮肥的施用。
|
| 关 键 词： | 黑土 供肥能力 肥效 利用率 |
| 文章编号： | 0564-3945(2004)03-0264-03 |
| 修稿时间： | 2003年3月29日 |
Ability of Soil Nutrient Supply and Chemical Fertilizer Efficiency in Black Soil |
| |
| HAN Bing-jin,CHEN Yuan,MENG Kai,QIAO Yun-fa.Ability of Soil Nutrient Supply and Chemical Fertilizer Efficiency in Black Soil[J].Chinese Journal of Soil Science,2004,35(3):264-266. |
| |
| Authors: | HAN Bing-jin CHEN Yuan MENG Kai QIAO Yun-fa |
| |
| Abstract: | Under the combination supply of N,P,and K fertilizers,the black soil nutrient supplement was increased significantly,and the soil could provided maiz with N 145.5kg hm~(-2),P_2O_5 84.2kg.hm~(-2) and K_2O 160.7 kg.hm~(-2). Experimental results showed that the black soil had a lower potential to supply N nutrient compared with P and K. The application of N fertilizer increased the crop yield significantly by increasing P and K absorption. From this result, we highlighted that the application of N fertilizer should be especially emphasized in black soil. |
| |
| Keywords: | Black soil Potential fertility Fertilizer effect Efficiency |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
