soil composition meaning in English
土的组成
土壤组成
Examples
- Representative oily soil compositions are more easily made up from pure chemical ingredients .
有代表性的油质污垢，则比较容易用纯化学品成分配制。 - As the tractor moves across fields , it receives satellite data on its precise location , soil composition , water levels , infestations , and other crucial factors
当拖拉机在田间工作时，将会收到卫星传来的数据，告知其精确位置、当地土壤成分、水位、虫害及其他重要因素。 - In the sandy layer , the soil composition gradually increases and a ku - lau rock rock formed by coral fossil structure appeared lying in the south - north direction . the ku - lau rocks were structured with the bricks lying in the east - west direction
沙土层内，土壤质逐渐增加，出现南北向咕?石结构，与东西向砖块堆积结构，其中咕?石表现先敷上白灰，其次再为水泥。 - The results show that the physical and chemical conditions of the corn belt phaeozem have significant different in different profile morphological characteristics . in another way , soil composition of three phases , content of available water , nutrient content and composition of humus have significant different in different profile morphological characteristics . among three groups of profile morphological characteristics , corn yields of phaeozem in " flat type " boundary soil ( depth = 30cm ) were the most , reached 8 . 22t / hm2on average . corn yields of phaeozem in " wave type " boundary soil ( depth = 15cm ) reached 7 . 55t / hm2 on average
这两种界面构造对玉米产量影响差异显著， “平面型”界面土壤抗逆性较强，产量最高，平均产量达8 . 23t / hm ~ 2 ，而“波浪型”界面土壤抗逆性较差，它可以分为两种情况：当耕层厚度15cm时，产量处于中等水平，平均产量为7 . 55t / hm ~ 2 ；当耕层厚度15cm时，产量最低，平均产量为6 . 65t / hm ~ 2 ，此种土壤处于丘陵漫岗区，产量受水土流失影响较大。 - On the other hand , each of available p and available k was insignificant related to corn yields . soil composition of three phases was signified and compared by means of trigonometric coordinates . meanwhile , considered relative percentage content of three phases , it reflected actual condition better that ratio of two phases
本文根据对吉林玉米带黑土剖面构造、理化环晚等各因素与玉米产女的关系分析，将各种因素按其对作物产童影响程度的不同，分清主次，找出明确影响产量的限制性因子，提出吉林玉米带黑土土壤环境与玉米产童关系的检索指标体系。