您要查找的是不是:
- pollution of paddy soils 水稻土污染
- Background of the formation of paddy soils of the Yangtze Delta was briefed, explaining differences between paddy soil and stagnic anthrosols. 摘要本文概述了长江三角洲水稻土的形成背景,说明了我国水稻土与水耕人为土分类上的区别。
- Leaching of carbofuran and atrazine in soil columns of fluvo-aquic soil from Henan and two types of paddy soils from the Taihu Lake Region and its affecting factors were studied. 通过室内柱淋溶试验研究呋喃丹与阿特拉津在河南潮土及2种太湖水稻土中的淋溶作用及其影响因素。
- Ma T S.The research on the silicon nutrient of paddy soil and using silicon fertilizer in china[J].Prog.Soil Sci.,1990,18(4):1-5. [4]马同生.;我国水稻土硅素养分与硅肥施用研究状况[J]
- Adsorption of Prochloraz and its major metabolites,BTS44595,BTS44596 and BTS45186,in six types of paddy soil were studied with the batch equilibrium method. 用批量平衡法研究了咪鲜胺及其三种主要代谢物BTS44595、BTS44596和BTS45186在六种水稻土中的吸附。
- The ZPNC chang of paddy soils drived from parent material that content high or low Fe oxide are smaller than that middle, meanwhile,ZPNC were influenced by SiO_2% and SiO_2/(Al_2 O_3+Fe_2 O_3)in clay too. 不同母质的影响主要表现为高铁和低铁母质水稻土剖面 ZPNC 变异较小。 中铁母质者则变异较大;同时亦受到粘粒 SiO_2和 SiO_2/(Al_2O_3+Fe_2O_3)摩尔比的影响.
- The main conclusions drawn from the study are as follows:Lit is unable to evaluate SSC of paddy soil with 1M HAc-NaAc(pH4) method directly within wide pH range, because some unavailable silicon for plant can be extracted from soil which pH value are high. 由于1M HAc-NaAc(pH 4)缓冲液酸度过强,用该法测定的土壤有效硅含量不能直接判断广泛pH范围的水稻土供硅能力。
- Lai Q W,Li C G,Huang Q H.Effect of continuous application of inorganic fertilizer on soil structure properties of paddy soil derived from red soil[J].Acta Pedol.Sin.,1992,29(2):168-185. [1]赖庆旺;李茶苟;黄庆海.;红壤性水稻土无机肥连施与土壤结构特性的研究[J]
- We are sad about the pollution of our beaches with oil. 我们很痛心石油对我们海滩的污染。
- Microorganism community of paddy soils 水稻土微生物群落
- Many people are concerned about the pollution of the environment. 许多人都关心环境污染问题。
- The zero tillage of paddy rice by domestic wastewater to culture man-made economic wetland can consume the pollutants of the wastewater and reduce the use level of pesticides and fertilizers. 利用城市污水进行水稻免耕栽培,培育人工经济湿地,通过消耗城市污水中的污染物,减少化肥农药施用量,减轻滇池污染。
- The ears of paddy are ripe and golden. 稻穗金黄。
- Effects of Land Use on Genetic Properties of Paddy Soils 利用方式改变对水稻土发生学特性的影响
- What Causes the Pollution of the Canal! 问渠哪得毒如许?为有源头污水来!
- Comprehensive Evaluation on Fertility of Paddy Soils 水稻土土壤肥力综合评价
- The new law will reduce pollution of the rivers. 这条新法律将会减轻河流污染。
- Effects of oxyfluorfen on the anaerobes in paddy soil were studied. 探讨了各种浓度的果尔对水稻土中厌氧细菌群的影响。
- The warm climate there permits three harvests of paddy rice a year. 那里气候暖和,一年能种三季稻子。
- Pollution of the water supply reached a level pernicious to the health of the population. 水源污染已经达到危及居民健康的程度。