查询词典 soils

When water is added in increasingamounts to the normal soil,there is no increase in pH values of the suc-cessive filtrates and the pH of the distilled water is easily obtained,whilstthe pH value of the alkali soils falls very gradually to a ...

水土比例增大时，普通土壤各次滤液的pH 值并不增大，且易于达到蒸馏水的pH 值，反之，碱土的pH 值很慢的降低至pH 7.5。

Forages and small grains can be planted in cooler soils.

搜寻，并且小五谷在更加凉快的土壤可以被种植。

A simplified method for prediction of, ground heaves in expansive soils based on consolidation tests is given.

以膨胀土地基变形量作为膨胀土地基的分类指标，对膨胀土地基进行了分类。

Nitrogen distribution in soils is highly heterogeneous. One way for plants to adapt to this soil character is proliferating more laterals around the N-rich sites so as to acquire N efficiently.

土壤中氮素的分布具有很大的不均一性，植物根系对这种不均一性的主要反应之一是在氮素富集区形成更多的侧根，从而高效获取这些养分。

Results showed that little Al, some Si and base ions were leached out from the soils with simulated acid rain.

结果表明，模拟酸雨淋洗后土壤中有极少量的Al和一定量的Si及盐基离子淋出。

These soils can be easily limed to reach a pH range of 6.5 to 7.0 to obtain the highest productivity.

这些土壤通过施用石灰很容易把pH调至6.5~7.0，以挖掘最大的生产潜力。

Tropical soils should only be limed to neutralize Al, which generally brings soil pH to values in the 5.5 to 6.0 range.

热带土壤仅需中和铝，这只需把pH调至5.5~6.0即可。

Acosta-Martínez V%Tabatatai M A Enzyme activities in a limed agricultural soil 10.1007/s003740050628 Biology and Fertility of Soils , 2000,null

和文祥%蒋新%卞永荣%王芳杀虫双对土壤酶活性影响的研究西北农林科技大学学报， 2002，1

At present, the erosion of limestone soils in Karst region of south China are serious then the lithified areas are becoming larger and larger.

目前我国南方石灰土侵蚀十分严重，以致石化面积不断扩大。

West of the pine barrens, the sandy soils give way to finertextured loams, and the empty forests yield to fields of alfalfa and corn, of tomatoes and asparagus.

在新泽西以西的松树林，土地贫瘠而又沙化的土壤逊色于质感柔软的沃土，空荡荡的森林孕育了大片的紫花苜蓿、小麦、番茄和芦笋。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。