旱地小麦少耕全程覆盖技术研究 |
| |
引用本文: | 李海金 萧复兴. 旱地小麦少耕全程覆盖技术研究[J]. 山西农业科学, 1994, 22(3): 60-62 |
| |
作者姓名: | 李海金 萧复兴 |
| |
摘 要: | 旱地麦田少耕全程覆盖栽培体系比常规耕作土壤含水量提高1.97个百分点以上,有机质增加0.2个百分点,速效磷增加1.7mg/100g土,速效钾增加2.5mg/100s土,速效氮增加1.15mg/100g土,光合速率提高9.2mgCO2/dm2·h。
|
关 键 词: | 旱地麦田;少耕;秸秆覆盖 |
Reduced Tillage with yearly Wheat Straw Mulching |
| |
Abstract: | Compared to conventional tillage, under the reduced tillage sysytem, soil water content increased 1. 97 percent point, organic matter content 0. 2 percent point, available phoshate 1. 7mg/100g soil, available potassium 2. 5mg/100g soil, available nitrogen 1. 15mg/100g soil,and photosynthetic efficiency 9. 2mg CO2/dm2·h. |
| |
Keywords: | Dryland wheat Reduced tillage Straw mulching |
本文献已被 维普 等数据库收录! |
|