Soil under condition of the erosion as the cliff by human. ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工
The method is applied to the study of forest soil under the condition of the following parameters.Through the humus layer of the forest soils of the beta-epsilon lambda__species, the forest does not increase by utilizing the humus layer in the rough and dividing by the timber of the pi-p...
the verity of desalinization under drip irrigation under film in Xinjiang irrigation district was summarized in this paper.Also,the research proposal of using the laws of soil water and salt transportation under the condition of drip irrigation under film to exclude salt was presented by the author...
undersoil- the layer of soil between the topsoil and bedrock subsoil dirt,soil- the part of the earth's surface consisting of humus and disintegrated rock Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. ...
(the coefficients with sediment yield were 0.718, 0.639, 0.644; the coefficients with rainfall were 0.676,0.682,0.628), under the condition of same rainfall intensity, at the differences of pile soil loss different vegetation types were significant and followed the sequence: farmland wasteland forest...
Undersoilwaterstress,theactivityofsuperficialrootswasenhanced. 然而,在土壤水分胁迫下,表层根系活力提高。 www.ceps.com.tw 3. Newirrigationandundersoilheatingsystemswerealsoinstalledatthesame time as the2003work. 在2003年的那次大修中,新的灌溉系统和地热系统也被安装上了。
As a drip irrigation method,Kisss irrigation have already been paid attention gradually.This experiment simulates the soil water movement in sandy soil,loam soil and clay soil under the condition of Kisss irrigation.The results show that the soil-water migration velocity in the sandy soil is hig...
Effects of soil water content on the growth of the overground parts and antioxidant capability in leaves of Scrophularia ningpocnsis Hemsl 【Objective】 The study was done in order to learn the relationship of prophase growth and the dynamic variations of SOD,POD,CAT and APX activity of Scroph...
of soil exchangeableCa2 +,Mg2 +,K+ and Na+,has resulted in a fall in base-saturation percentage.As a conclusion,there was anincrease in the content of soil macronutrients and in soil acidity but a fall in the content of soil micronutrientsunder the condition of consecutive bamboo shoot ...
美 英 un.在修理中;正在修理 网络正在维修;在修缮中;修理或保养区 英汉 网络释义 un. 1. 在修理中 2. 正在修理 释义: 全部,在修理中,正在修理,正在维修,在修缮中,修理或保养区