| Effect of contour ridging and geosynclinal in furrow on soil moisture and yield of potato |
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| DOI：10.7606/j.issn.1000-7601.2013.05.015 |
| Key Words: Loess Plateau geosynclinal for water harvesting soi
l moisture soil temperature water use efficiency |
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| Abstract: |
| The field experiment of water harvesting modes wa
s conducted in Loess Plateau by planting potato with five treatments: (1) contou
r ridging; (2) contour ridging + film mulching on ridge; (3) contour ridging + g
eosynclinal in furrow; (4) contour ridging + film mulching on ridge + geosynclin
al in furrow; and (5) the control. Through the analysis of soil moisture content
, soil temperature and crop yield, it was shown that the technology of ‘contour
ridging + film mulching on ridge + geosynclinal in furrow’ could reduce soil b
ulk density, and increase remarkably the aboveground biomass, water use efficien
cy and proportion of large and middle potatoes, therefore it was an effective wa
ter saving agricultural practice in the semi-arid area of Loess Plateau in Chin
a. |