但是苜蓿地土壤ph值比棉花连作地的高。
But alfalfa ground soil PH value were higher than cotton ground.
不同种植年限苜蓿地土壤微生物量碳、氮存在差异。
There were obvious difference on soil microorganism carbon and nitrogen among different alfalfa grounds.
春季苜蓿地土壤风蚀量仅为玉米地的41.81%。
The deflation of alfalfa field is only (41.81%) of that of corn field in spring.
从苜蓿地、苹果地到农地，空间自相关的尺度逐渐增大。
The scale of spatial autocorrelation increased gradually from clover land, apple land to farmland.
苜蓿地接纳天然降雨的能力较强，对天然降雨的利用率也比较高。
The ability of accepting natural rainfall and the utilization rate of natural rainfall of medic fields are higher than that of maize fields.
对定西黄绵土多年苜蓿地与传统耕地的表层土壤理化性质进行了比较研究。
The top soil properties of Huangmian soil under lucerne grown for many years were compared with those of soil under conventional tillage in Dingxi.
他现在是为生命而跑，他飞奔过庄园前的苜蓿地冲向河边，在那里的码头上有一条独木舟。
He ran for his life. He sprinted through the clover fields in front of his mansion toward the water, where he knew a pirogue lay on the levee.
第一天里，Jarrett驾车带我们去了一块苜蓿地，下车以后，他叫我们静静的坐着。
On our first day Jarrett drove us into an alfalfa field, got out of his car, and instructed us to sit still.
植物能够减少土壤表层积盐，并可以降低碱化度；苜蓿地比玉米地具有更低的钠吸附比值。
Vegetation could mitigate salt amount in earth surface, and reduce the degree of soil alkalization.
堆料中添加30%的苜蓿草或玉米秸杆，可有效地提高单位面积产量。
Piles foresees accurately increases 30% the alfalfa or the corn straw, but effectively enhances the yield per unit of area.
而种植苜蓿样地等节跳虫科个体密度最大，其大小是过度放牧样地等节跳虫科的 3.33倍。
At sites of the planting alfalfa treatment, the individual density of Isotomidae reached 3.33 times of over grazing treatment.
主要结果如下：1。较系统地研究并优化了紫花苜蓿组织培养再生体系。
The main results were as following:1. The tissue culture regeneration system had been studied and optimized systemically.
主要结果如下：1。较系统地研究并优化了紫花苜蓿组织培养再生体系。
The main results were as following:1. The tissue culture regeneration system had been studied and optimized systemically.
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