查询词典 tilth

It is an application course that is to study the resource status and growth of forage crop, the relation between entironment and cultivation condition, the biology characteristic and the application importance of bird's-foot, gramineous grass, otherfeed species and variety, and fertility technology including soil tilth, cultivation technique, planting method and so on.

本学科内容是研究牧草饲料作物的资源状况及其开发利用途径，生长发育特性及其与环境条件和栽培条件的关系，土壤耕作、栽培措施和牧草特殊种植方法等农艺丰产技术，生产流程中各个环节的经营管理与降低成本和增产增效的关系，豆科牧草、禾本科牧草及其他种类饲料作物种和品种的生物学特性及其应用特性和价值。

For example, lakeshore landslip, lake has been filled up, forest and tilth has been destroyed, water quality has gone to bed etc. The reasons for the environment change of Chaohu are mainly attributed to humans disturbance.

在此基础上，建立了巢湖流域的土地利用分类系统，并对1987年和2000 年的两幅遥感影像，采用前分类遥感动态变化监测方法，对比分析了十几年来的土地利用变化情况。

The annual average temperature above 13 degrees, active accumulated temperature 4500 - 5000, frost-free period 190 - 200 days, an average annual rainfall of 600 - 650 mm, loamy soil accounted for 78 percent; tilth PH value of 7.1 - 8.5 between moderate pH, conducive to the growth of various crops.

年平均气温13度以上，活动积温4500——5000，无霜期190——200天，年平均降水量600——650毫米，壤质土占78％；耕层PH值在7.1——8.5之间，酸碱适中，利于各种农作物生长。

The invention forms a new soil layer structure with the upper part rough and the lower part fine, increases a coarse sand content of upper soil and obviously improves soil tilth; thereby facilitating the leaching of the salt. Only half a year is needed and then the salt content of a plow layer is reduced from six point five four gram per kilogram to one point two three gram per kilogram; thereby speeding up the improvement and utilization speed of the marine solonchak and restraining the uprise of salt.

本发明形成上粗下细的新土层结构，增加了上层土壤的粗砂粒含量，明显改善了土壤耕性；有利于盐分的淋洗，仅需半年时间，耕作层含盐量即可由6.54g/kg降至1.23g/kg，加快了滨海盐土的改良利用速度，并抑制了返盐现象。

Whatever goes to the tilth of me it shall be you!

凡在我地上帮助耕种的也将是你！

Some of these provide tilth to a soil .

有些有机肥是用来改善土壤的耕性的。

It has very little nutrient value, but can improve your soil tilth.

它很少营养价值，而且可以改善你的土壤耕层。

The distribution position of cotton root system in the tilth is closely related with cotton yield.

棉花根系在耕层分布的位置与产量密切相关。

The relative water content in tilth layer could still be kept over 60% in the continuous 11.2~47.1d without precipitation after a precipitation made the relative water content in tilth layer got over 80%.

使耕层相对含水量达到80%以上的一次降水过后，连续11.2~47.1 d无降水，耕层相对含水量尚可维持在60%以上。

According to the tillage quality was guaranteed for the minimal tilth depth and the sgnthesize property was guaranteed for the specifed tilth depth.

分析了驱动式圆盘犁耕作深度问题：根据土顺利翻转决定的最大耕深、为保证耕作质量限制的最小耕深以及综合性能最优时的额定耕深。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。