查询词典 fertility

The result shows, that all the measures of fostering fertility can increase the whole-nutrients and the quick-acting nutrients obviously, and the exchange capacity of positive-ion and pH of soil decrease.

结果表明：各种培肥措施均能明显提高土壤全量养分和速效养分含量，而且土壤阳离子代换量及pH值也有所降低。

The lime soil from the winter fallow field in which Chinese vetch green manure was once planted and the natural barren field in Guilin Village were taken to determine urease activity and soil fertility of the lime soil.

方法］取桂林毛村常年种植过紫云英绿肥的冬闲田和自然抛荒农田中的石灰土，测定石灰土的脲酶活性和土壤肥力。

Wheat-straw mulching ; Saline-alkaline Soil ; Fertility ; Crop Production ; Effect

麦秸覆盖；盐渍土；肥力；作物产量；影响

Result It was confirmed as a reasonable population when the total stem number of wheat in reviving stage was lower than the mature spike number, the shuttle-shaped plant form at the stage of maximal population, and the leaf area coefficient in flowering stage was 4. Soil fertility had significant influence on the growth of wheat stems and leaves at early stage and had certain influence at middle-late stage. Density influenced the growth of stems and leaves before the formation of the largest population, while it had little effect after flowering.

结果］冬小麦起身期的总茎数略低于成穗数，群体最大时期株型呈现梭形，开花期叶面积系数为4是较为合理的冠层结构；土壤肥力对小麦前期的茎、叶生长影响显著，在中后期也有一定的影响；密度则在形成最大群体前影响茎叶的生长，到小麦开花后影响不明显。

Each wedding guest is given a beautifully decorated hard-boiled egg, a symbol of fertility.

每位参加婚礼的来宾都获赠一个装饰精美的煮熟了的鸡蛋——生育的象征。

Each wedding guest is given a beautifully decorated hard-boiled egg, a symbol of fertility.

在许多墨西哥人的婚礼上，在第一支舞曲前，来宾们围绕着新婚夫妇站成一个心形的圈。

The informations were be worth for remediation of heavy metal polluted soil washed by HCl in fertility management.

在决定酸洗液的浓度时若能同时考虑养分元素的抽出情况则有利於土壤复育后肥力的管理。

Studies on effect of applying several new type nitrogen fertilizer on nitrate accumulation in two-reap leafy vegetable and soil nitrate leaching in high fertility vegetable by earth column simulation experiment method.

应用土柱模拟试验的方法，研究了在高肥力菜田土壤条件下，施用几种新型氮肥对两茬叶菜硝酸盐积累和土壤硝态氮淋洗的影响。

In each district union the principle of nutrient balance and using adjustment coefficient method of soil available nutrient, we obtained the recommendation amount to apply fertilizer in different fertility region of paddy soil.

在各个分区内，结合养分平衡原理，利用土壤有效养分校正系数法，得出了水稻土不同肥力区域的推荐施肥用量。

The objective of this study was to monitor the change of soil fertility after Ecualyptus planting. From 1987 to 1992, soil sample in eucalyptus trial plots at Tai-Ma-Li E.

本研究旨在探讨桉树造林对土壤肥力变化及其持续性之影响，藉以建立合理之林地养分经营，供桉树造林参考。

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。