[Rapid screening of 125 pesticide residues in tea substitutes by multi-plug filtration cleanup method combined with gas chromatography-tandem mass spectrometry]. [PDF]
Zhang Q +8 more
europepmc +1 more source
[Research progress in the application of magnetic solid phase extraction based on carbon based magnetic materials in food analysis]. [PDF]
Liao Y, Huang X, Wang Z, Gan R.
europepmc +1 more source
在四川省“八五”;“九五”农作物育种攻关;国家“八五”攻关及中国科学院“九五”重大项目支持下,生物所开展了“利用籼粳亚种间优势选育重穗型超高产杂交稻新组合”的选育研究,采用花药培养等生物技术与常规育种技术相结合的遗传改良途径,选育出重穗型超高产杂交稻新组合Ⅱ优746,一般亩产600公斤左右,试验最高亩产达1050公斤。Ⅱ优746于1997年通过四川省品种审定委员会审定,并推荐为四川省“九五”杂交水稻主推组合,同年被四川省科技厅列为四川省“九五”科技成果重点推广项目。目前累计推广面积3000余万亩 ...
郭学兴 +4 more
core
太湖流域稻麦轮作系统实际施氮量及其多重效应——基于农户调研的实证分析
研究运用分层随机抽样法,在常州市武进区开展农户问卷调查,并利用统计软件对问卷信息进行整理和分析,得到主要结论如下:①太湖流域稻麦轮作系统稻季平均施氮量为310.91 kg.hm-2,麦季平均施氮量为202.18 kg.hm-2,一年两季作物平均施氮量为513.09 kg.hm-2,氮肥过量施用现象主要存在于稻季;②施氮肥对水稻和冬小麦都具有较好的增产作用,但是当施氮量达到一定值后,水稻和冬小麦的产量、氮素累积量、氮肥农学利用率和氮肥吸收利用率都出现下降的趋势 ...
成升魁 +4 more
core
Current insights on rice (Oryza sativa L.) bakanae disease and exploration of its management strategies. [PDF]
Karthik C, Shu Q.
europepmc +1 more source
[Assessment of Dietary Arsenic Exposure Levels and the Associated Health Risks in Chongqing City, China]. [PDF]
Dai X +11 more
europepmc +1 more source
[Rapid screening and confirmation of 415 pesticide residues in red cabbages by liquid chromatography-quadrupole-time of flight-mass spectrometry]. [PDF]
Xie Y +5 more
europepmc +1 more source
Discovery in CRISPR-Cas9 system. [PDF]
Pan S, Zhang H.
europepmc +1 more source
[ARID1B Gene Deletion Promotes the Proliferation, Migration and Invasion of NSCLC Cells]. [PDF]
Zhu L, Zhang X.
europepmc +1 more source
[Determination of 118 pesticide residues in urine by ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Song W +9 more
europepmc +1 more source

