土壤保持

They focus on keeping their soil rich and free of disease.

他们把注意力集中在保持土壤肥沃且免受病害。

This article mainly studied the changes of soil physical property, runoff and soil erosion under hedgerow systems, and also discussed the corresponding mechanism of water and soil conservation.

本文主要研究了植物篱模式与非植物篱模式下的土壤物理变化特征及减流减沙效果，分析了各物理量变化的水土保持机理。

This paper analyse the affect of difference water and soil conservation on hydrology environment and soil environment.

分析了水土保持建设对水文环境和土壤环境的影响及其研究动态。

This can help to keep moisture in the soil.

这可以帮助保持土壤中的水分。

This can help to keep moisture in the soil .

这可以帮助保持土壤中的水份。

Ackerson R C Osmoregulation in cotton in response to water III effects of phosphorus fertility PLANT PHYSIOLOGY , 1985,null

陈国良%穆兴民%贾恒义%徐学选水肥对沙打旺产草量协同效应的初步研究土壤侵蚀与水土保持学报， 1992，3

If potted roses are to be planted, remove the plastic or papier-mache container in such a way as to keep the soil ball intact.

如果是盆栽玫瑰种植，消除这种方式的塑料或纸型容器，以保持土壤球不变。

Gentleman orchid drenchs rot the root dies after water, the likelihood has the reason of two respects, it is basin earth too wet, because gentleman Lan Xihuan is loose,understand the edaphic requirement that appear, once basin earth is medium moisture is too big, its bulky flesh pledges the root arrived to will come in October between November, already entered stop to grow or grow very slow condition, do not need how many moisture, need to hold basin ground only wet can, drench water causes those who rot the root is unavoidable too much; 2 it is you drench when water, flow into the phyllome center of plant the dirt that will have smudgy part along with all the others, and at this moment water of blade rising bad news is less, sewage accumulating is inside Xie Cong, also can choose sodden heart sodden root.

君子兰淋水后烂根死亡，可能有两个方面的原因，一是盆土过湿，因君子兰喜欢疏松通透的土壤条件，一旦盆土中水分过大，其粗大的肉质根到了10月至11月间，已进入停止生长或生长很慢的状态，不需要多少水分，只需要保持盆土湿润即可，淋水过多造成烂根是在所难免的；二是你淋水时，将会有脏污成分的尘土等一并流入植株的叶丛中心，而这时叶片蒸腾耗水较少，脏水积在叶丛内，也会选成烂心烂根。

A similar product is called "vermiculite" it's added to potting soil because it retains moisture.

类似的产品被称为"石"它添加到盆栽土壤，因为它保持水分。

In a word,it is more credible to use Mg/Ca ratio as climate psychrometer which has less external influence and it is questionable to use Sr/Ca and Ba/Ca ratios as one climate proxy because they are sensitive to many factors just like vegetation,soil microbe activity.

总体来看，石笋中Mg/Ca与Ba/Ca值的相关性很弱，可以认为分别受到降水和土壤微生物作用的影响，而Sr/Ca比值却可以与两者同时保持一定的正相关关系，表明其至少受到以上两种因素共同制约。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。