soil testing

Soil testing, plant tissue analysis, and experimental results should be utilized to develop field and soil type specific fertilization programs for obtaining maximum yields.

必须利用土壤化验、植株分析、试验结果来制订某一田块和某一土壤类型获得最高产量所需的施肥方案。

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According to the geometric implication of reliability index and the modified genetic algorithm, a global optimum algorithm is proposed to calculate the reliability index and the testing point of soil-nailed wall.

因此，基于可靠度指标的几何涵义，运用遗传算法，提出了计算土钉支护结构稳定的可靠度指标和设计验算点的全局优化算法。

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For the lack of study on the effect of freeze-thaw on the mechanical properties of soil, a low cost and high degree of accuracy low temperature triaxial testing machine was developed based on theory of thermal conduction in this paper.

针对当前土冻融循环的力学效应研究相对薄弱的现状，本文运用导热学、机械学等理论自行研制了适合低端市场的低成本、高精度的高低温冻融三轴试验机。

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Major factors of the pear iron chlorosis were determined through soil testing and leaf analysis.

通过对酥梨缺铁黄化症的土壤分析、叶片分析来确定诱发黄化的主要因素.

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Comparing element contents between horizons of A and C in soil profiles and testing the significance of difference by statistical method are further made.

进一步比较表土与底土之间元素含量的差异，并作显著性检验。

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Balanced fertilization, by combination of soil testing with plant diagnosis, is the effective measure to solve the problems in vegetable fertilization.

采用土壤诊断与植株诊断相结合的平衡施肥技术，是解决上述问题的有效措施。

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Soil Testing Fertilization Touch Screen System in Decision-making and Application of R& D Based on GIS

基于GIS的测土配方施肥决策触摸屏系统的研发与应用

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Study on the technical index system of soil testing fertilization for leafy vegetables in Guangdong: potassium

广东叶菜测土施肥技术指标体系钾素指标初步研究

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Site investigation and testing of soil samples were carried out to investigate the influence factors of petroleum contaminants.

本文通过场地调查和钻孔采集土样测试，分析、研究了某石油污染场地土壤石油烃的分布及其影响因素。

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In this paper, a testing method which analyzes effect of alkalinity of hardened cement pastes on soil's is put forward, and layer soil sampler is designed.

介绍了水泥硬化浆体液相碱度对土壤等液相碱度影响的试验方法，设计了分层取土器；

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China has also developed a lunar exploration project, "three-step" plan, the third step and at the course of building the future lunar base involving testing samples of lunar soil in-situ investigation.

中国也制定了探月工程三步走的计划，其中第三步以及未来月球基地的建设过程中，必将涉及到月壤原位勘察测试取样。

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Shear Strength of the Soil Contrasted by testing in Site and laboratory

土的抗剪强度原位测试与室内测试的对比

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Study on Signal Analysis Method of Instant Vibration Testing for Soil Compactness.

土密实度瞬态振动测试的分析方法研究.

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