The paper analyzed the characteristics of the soil water movement of drip irrigation under mulch in different cropping patterns.
从土壤水流动系统的角度分析了膜下滴灌不同种植方式下土壤水流动系统特征。
Based on the data of observation in fixed location, the pilot study on the law of soil moisture variation in different cropping patterns on dryland in hilly area of Central Sichuan has been done.
利用定位观测数据，对四川中部丘陵地区不同种植模式下旱地土壤水分变化规律进行了初步研究。
During 1981-1987, the fixed position observation was conducted in different patterns of multiple cropping system of paddy fields.
1981年至1987年，对稻田不同多熟种植方式进行了定位观察。
The researchers said there are close ties between duck grazing patterns and rice cropping intensity.
研究员指出，放养鸭子和水稻栽种密度也有密切关联。
The researchers said there are close ties between duck grazing patterns and rice cropping intensity.
研究员指出，放养鸭子和水稻栽种密度也有密切关联。
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