土壤结构(soil structure)
第1题:
第2题:
According to the text. which of the following is NOT true?
A. Soil forms from weathered rock on the earth surface.
B. The deeper layer of soil is darker in colour than the surface soil.
C. Air pollution is partially responsible for acid soil.
D. Groundwater tends to carry away nutrients for plant growth.
第3题:
According to the text.which of the following is NOT true?
A.Soil forms from weathered rock on the earth surface.
B.The deeper layer of soil is darker in colour than t}le surface soil.
C.Air pollution is partially responsible for acid soil.
D.Groundwater tends to carry away nutrients for plant growth.
第4题:
土壤结构性
第5题:
土壤结构体
第6题:
A、Remarkable
B、Quite remarkably
C、It is remarkable that
D、It is remarkable fact that
第7题:
土壤结构的形成过程如何?土壤结构在肥力上的意义如何?
第8题:
M.Jackson suggested the data structure oriented software design method.Which of the following structure can be introduced by using input data structure?
A.algorithm structure
B.procedure structure
C.code structure
D.program structure
第9题:
土坷垃是一种()土壤结构体,而土壤表层结皮实际上是()土壤结构体。
第10题:
土层(soil horizon)