fixed ammonium造句
例句與造句
- Change of the fixed ammonium content in soil in different growth stage of huanghuacai was similar with available n content
在黃花菜生育期間,土壤固定態(tài)銨與堿解氮的動(dòng)態(tài)變化基本一致。 - The release of fixed ammonium still continued at the reaction time of 42 days . ph was an affecting factor of nh4 + - fixation in soil and the category of cation was an affecting factor of fixed - nh4 + - release from soil
供試土壤固定態(tài)銨的累計(jì)釋放量隨著時(shí)間的延長(zhǎng)而緩慢增加,反應(yīng)42天仍未達(dá)到最大值,土壤溶液中陽(yáng)離子種類能影響固定態(tài)銨的釋放。 - In the profile of 0 ~ 40 centimeter depth , the content of fixed ammonium had no distinct change , and it increased or had no distinct change in the profile of 40 ~ 75 centimeter depth . the percentage of fixed ammonium to total n in soils steadily increased with the increasing of depth
一般情況下,土壤剖面中的固定態(tài)銨含量在0 40cm范圍內(nèi)變化不大, 40cm以下升高或無(wú)明顯變化;它占土壤全氮含量百分?jǐn)?shù)則是隨剖面深度增大而增大。 - The content of fixed ammonium , capacity of fixing - ammonium , available fixed ammonium , kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling , laboratory incubation and analyses . the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment
本文通過(guò)野外調(diào)查取樣、室內(nèi)培養(yǎng)試驗(yàn)和分析測(cè)定,研究了湖南省主要旱耕地土壤的固定態(tài)銨含量、固銨容量、有效性固定態(tài)銨含量以及土壤對(duì)銨離子的礦物固定和土壤固定態(tài)銨釋放的動(dòng)力學(xué)特性,通過(guò)田間小區(qū)試驗(yàn),研究了不同施肥結(jié)構(gòu)下土壤固定態(tài)銨在黃花菜生長(zhǎng)期間的動(dòng)態(tài)變化規(guī)律及其生物有效性。 - It's difficult to find fixed ammonium in a sentence. 用fixed ammonium造句挺難的