The invention relates to agriculture machinery and can be used for cutting water-absorbing slots and for cultivating an under-humus soil layer therebetween. The inventive cultivator consists of two circular, a slot-cutters, a subcrust cutter and a common lantern drive thereof which are mounted on...
1. 同根词与形容词:由“humus”衍生的形容词是“humous”,意为“含腐殖土的”。2. 同近义词:“humics”和“mool”也可以表示腐殖质或腐植土的意思,与“humus”相近。3. 常用短语: - humus soil:腐殖土;腐殖质土壤;腐植土;腐植质土。 - mild humus:腐熟殖质;温性腐殖质;熟腐殖质。 - humus layer:腐殖质层...
humus soil 腐殖土,腐殖质土 相似单词 humus n. 腐殖质 forest humus 森林腐殖质 layer n.[C] 1. 层(尤指数层中之一) 2.产卵鸡;卵用鸡 3.(园艺)压条 v.[T] 1.将某物积成层 2.(园艺)用压条法使(嫩枝)生根 humus formation 腐殖质的形成 sleeper layer 轨枕铺设机 three layer 三层 ad lay...
MultiUn The flowing subsoil water level is directly beneath the humus layer oj4 Mercury (Hg) showed no sign of decrease, even in the humus layer. UN-2 Mr. L. Bringmark (Sweden) presented Hg toxicity with a focus on forest soil humus layers MultiUn 装载更多 可用...
The last, completely rotted layer is built up of a thick and dark organic matter called humus, a type of soil that provides the ideal environment in which plants grow and thrive. FromNational Geographic Temperatures in the piles decrease and the compost matures into a dark and crumby humus, ...
Humus, nonliving, finely divided organic matter in soil, derived from microbial decomposition of plant and animal substances. Humus, which ranges in colour from brown to black, consists of about 60 percent carbon, 6 percent nitrogen, and smaller amounts
A mor-humus formation, or raw humus condition, occurs in soil that has few micro- organisms or animals, such as earthworms, to decompose the organic matter that lies on the soil surface. Below this surface-litter layer is a distinct, strongly compacted humus layer; a layer of mineral soil...
Humus Layer This term is used to describe an upper level of soil – that dark black layer, such as in “that humusy layer of soil’. Although the dark color is probably due to humus, humus is not a layer in soil. There is no such thing as a ‘humus layer’. ...
Drainage disturbances were deeper most likely because the thicker layer ofhumusand loose soil at these sites made digging easier. From theCambridge English Corpus The carbon input to the soil has a decisive influence onhumuslevel, biological activities and soil structure, thus considerably controlling ...
Scheffer and Schachtschabel 1) defined the humus not synonymously with soil organic matter, but, in a broad sense, as all the dead organic substances which are accumulated on the soil surface as well as in the soil layer, and undergo continually decomposition, alteration, and synthetic ...