农业土壤的

Dairying is the most important farm activity, New English is also well-known for its position in education, Many famous universities and colleges such as Yale, Harvard, the Massachusetts

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

Dairying is the most important farm activity.

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

Dairying is the most important farm activity, New English is also well-known for its position in education, Many famous universities and colleges such as Yale,Harvard,thd Massachusetts Institute of Technology are located here.

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

Dairying is the most important farm activity, New English is also well-known for its position in education, Many famous universities and colleges such as Yale, Harvard, the Massachusetts Institute of Technology are located here.

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

Dairying is the most inportant farm activity,New English is also well-known for its position in education,Many famous universities and colleges such as Yale,Harvard,thd Massachusetts Institute of Technology are located here.

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

Dairying is the most inportant farm activity,New English is also well-known for its position in education,Many famous universities and colleges su ch as Yale,Harvard,thd Massachusetts Institute of Technology are located here.

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

Dairying is the most inportant farm activity,New English is also well-known for its position in education,Many famous universities and colleges such as Yale,Harvard,thd Massachusetts

新英格兰由美国东北部六个州组成，由于土壤多石，不利于农业生产，乳制品业是最重要的农业活动，许多重点大学如耶鲁大学，哈佛大学和麻省理工学院都坐落于此。

DIAS was established on April 1, 1997 with the merging of the Danish Institute of Animal Science and the Danish Institute of Plant and Soil. DIAS aims to conduct research and accumulate knowledge of importance to agriculture.

丹麦农业科学学院成立于1997年4月1日，由丹麦动物科学院和丹麦植物与土壤科学院合并而成，旨在进行研究和积累重要的农业知识。

Combinating the siol column and potted plant experiment synthesize analysis that the soil alkalinity below 30% can be all improved by hydraulic and agricultural measure without the chemical amendment. When the alkalinity is over 30%, however, the alkaline soil must be made use of the chemical measure gathering water conservancy to attain improvement .

结合土柱试和盆栽试验的结果综合分析，在土壤碱化度低于30%的轻、中度碱化土壤通过水利与农业措施相结合的办法而不用化学改良剂就可以改良好；而碱化度大于30%的土壤，必须在水利措施的配合下，利用化学改良剂才能达到改良的目的。

The journal publishes articles on agriculture, livestock, forestry, water-soils-climate, animal science, crop science, applied mathematics-statistics-computer science, plant protection, natural renewable resources, socionomics, wildlife, agricultural machinery and related disciplines.

该杂志刊载与农业，牲畜，林业，水-土壤-气候，动物科学，农作物科学，应用数学统计计算机科学，植物保护，自然界可再生资源，社会经济学，野生动物，农业机械有关的文章。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。