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- Rice paddy soil has oxic-anoxic interfaces where methane consumption and ammonia oxidation might happen simultaneously. 稻田生态系统中存在着好氧微域,其中同时发生甲烷氧化和铵氧化。
- Although rhizosphere nitrification happened in red paddy soil was very weak, it might be important for rice growth and N nutrition at the seedling stage. 尽管红壤水稻土硝化作用很弱,但红壤区水稻根际硝化作用与水稻苗期生长和氮素营养密切相关。
- 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。
- Compared with the CUF, the CRF significantly increased the contents of alkalytic N (ALR-N) and NH4(superscript + subscript 4)-N in the paddy soil, facilitating N uptake by the roots of rice. 与普通氮肥相比,施用控释氮肥有效提高了稻田土壤中碱解氮和铵态氮含量,促进了水稻植株和根系对氮素的吸收利用;
- In order to study residual effect of phosphorus fertilizer in flow aquic paddy soil, a field experiment was carried out under planting mode of rape-early season rice-late season rice. 摘要研究了油-稻-稻种植模式下磷肥的后效应作用。
- Fig.4 The possibly engender range of cold spring paddy soil by predicted. 现有冷浸田分布范围;2、预测可能增加的冷浸田范围;
- Changes of soil chemical properties after transferring acid sulfate paddy soil to upland soil. 酸性硫酸盐土水改旱后土壤化学性状的变异初报。
- Phosphorus loss with runoff from a side bleaching paddy soil under continual P application in Taihu Lake Region. 太湖地区侧渗水稻土连续施磷处理下稻田磷的径流损失
- BHC RESIDUE IN PADDY SOIL AND ITS POLLUTION TO RICE 稻田土壤中六六六残留及其对稻米的污染
- The organic combination state in selenium-rich red earth and that in rice soil are the main combination patterns. 富硒红壤和富硒水稻土中的有机结合态硒是土壤中的主要结合态。
- Red earth in some areas and rice soil are important forms of selenium-rich soil in Zhejiang. 一些地区的红壤和水稻土是浙江重要的富硒土壤。
- The order of Df (desorption factor) value was: yellowish red soil>silt-loamy soil>kaoline>perlite>paddy soil (loamy clay) >kieselguhr. 解吸因数的大小排列顺序为:黄红壤、粉泥土、高岭土、珍珠岩、青紫泥、硅藻土。
- The difference of fertility level of the main purple soil , rice soil and yellow soil is bigg. 主要土壤类型紫色土、水稻土、和黄壤,肥力水平差异较大,全量、有效态含量在不同土壤类型不一致。
- The correlation didn't reach significant level. 0.2 molL-1 K2SO4 wasn't the suitable available Se extractant for paddy soil. 2 molL-1 K2SO4对土壤硒的浸提量低,与植株含硒量间的相关性不显著,不适宜作水稻土有效硒的提取剂。
- The inhibitory effect of hydroquione on rice soil urease activity under the condition of potted planting was studied. 摘要在田间盆栽条件下研究氢醌对脲酶活性的抑制效果。
- Results showed that the amounts of bacteria, fungi and actinomycetes in paddy soil in CRNF treatment were higher than those in CK treatment. 结果表明,短期施用控释氮肥稻田土壤的细菌、真菌和放线菌数量明显高于不施氮处理;
- The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either. 水稻土有较长耕作历史,并已形成了潜育层和潴育层,但土壤肥力并不高。
- Mefenacet disappeared more quickly in paddy soil than in glebe, revealing that its disappearing processes were different. 水田条件下苯噻草胺消失速率比旱田条件下快,但消失类型不同。
- The microscopic and ultramicroscopic structure of the tobacco leaves revealed that tobacco leaves in powder sandy soil and rice soil grew badly. 粉沙土植烟成熟期烟叶与干旱胁迫有关的基因和与纤维素、果胶质、淀粉和蛋白质分解有关的基因上调。
- 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]