soil fixation的例句大全

The majority of ancient and famous trees always stand around the houses and they function as wind break and soil fixation.

大多数的古树名木生长在房前屋后，起到防风固土或是美化环境的作用。

Influence of ammonium on release and fixation of potassium in soil

铵对土壤钾素释放、固定影响的研究

Mo nutrition in soil and plant at podding stage was correlated significantly or highly significantly with nitrogen fixation of root nodule, nitrogen nutrition of plant and yield.

结荚期连作大豆土壤和植株钼营养与根瘤固氮、植株氮营养及产量间相关显著或极显著。

The formation of foot nodule and activity of nitrogen fixation is related with soil conditions and host-plant characters.

根瘤的形成和固氮活性与土壤条件和寄主特性密切相关。

With respect to protective forests such as those for water supply conservation, water and soil conservation, windbreak and sand& fixation, felling shall only be permitted for tending and regeneration of forests.

对水源涵养林、水土保持林、防风固沙林等防护林只准进行抚育和更新性质的采伐。

by using x-ray diffraction and laboratory simulation, this paper studied the effects of long-term potassium ( k) fertilization on k fixation in black soil, loess soil, and grey desert soil under different ecological conditions and cropping systems.

采用X射线衍射分析技术和室内模拟法，研究了长期施钾对不同生态条件和不同轮作制度下黑土、塿土和灰漠土钾素固定的影响机理。

characteristics of symbiotic nitrogen fixation of main soil and water conservation plants in gansu ningxia region of loess plateau

甘宁黄土高原地区重要水土保持植物共生固氮资源及特性研究

stylosanthes is the important leguminosae forage in south china. legume-rhizobium symbiotic nitrogen ( n) fixation is an important character of stylo and also the base of improving soil fertility. but there is barely rhizobium inoculant adapted to acid soils.

柱花草是我国南方重要的豆科牧草，柱花草与根瘤菌共生固氮是提高柱花草生产的重要措施，对改良南方酸性土壤有重大意义，但是目前还缺乏适宜我国南方推广的根瘤菌菌剂。

Comparatively speaking, the Dick fixation device achieved better stability in arial rotations. There is some ambiguity about the soil-nail interaction mechanism in the design of soil nailing reinforcement.

相对而言，Dick钉的作用较优。在深基坝支护设计中，对钉土作用机理存在着许多模糊认识。

The continuous accumulation of REEs exhibited alternative effects of stimulation, inhibition and re-stimulation on soil ammonifying bacteria, nitrifying bacteria, nitrogen fixation bacteria and bacteria decomposing cellulose.

结果表明，外源低剂量稀土的持续积累会对土壤氨化细菌、硝化细菌、纤维素分解菌和自生固氮菌产生刺激、抑制、再刺激的交替作用。

At present, the impact of transgenic rice on soil bacterial communities still little is known. One crucial function carried out by soil microorganisms is nitrogen fixation, which is the major source of nitrogen for many natural ecosystems.

有关转基因水稻对稻田土壤微生物的影响目前仍知之甚少。固氮微生物是水稻根际微生物群落中重要的微生物功能菌群之一，对水稻氮素营养调节起着重要作用。

The fixation rate of phosphorus fertilizer in high P lever soil was distinctly lower than that in low P lever soil.

高磷土壤上，磷肥固定率显著低于低磷土壤。

The residual effect and the fixation and transformation principles, the efficiency of water-soluble phosphorus fertilizer during experiment period on a calcarious soil are studied from 1982 to 1989.The economic efficiency of different distributions is also evaluated.

对河北省低磷石灰性土壤磷肥后效以及试验周期中水溶性磷肥的固定转化规律及其有效性进行了研究，并对磷肥不同分配方式的经济效果做了评价。

The root nodule of the legume plant's ability of nitrogen fixation from air makes it grow in the poor soil very well.

豆科植物的根瘤可以从空气中固定氮气而在贫瘠的土壤中生长。

Soybean is the best crop to make use of the soil and fertilize the soil at the same time. The nitrogen fixation of the nodule bacteria of soybean roots is the most important source of nitrogenous fertilizer in the traditional agriculture of China.

大豆是用地养地相结合的最佳农作物，大豆根瘤菌的固氮作用，是中国传统农业中氮肥最重要的来源。