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Study on Biological Activation of Barnyard- grass and Security of Rice
Author(s): 
Pages: 2267-2268
Year: Issue:  12
Journal: JOURNAL OF ANHUI AGRICULTURAL SCIENCES

Keyword:  尿素丁草胺乙草胺异丙甲草胺混用稗草生物活性水稻安全性;
Abstract: 采用室内盆栽法,将3种酰胺类除草剂丁草胺、乙草胺、异丙甲草胺与尿素混用后,对抑制稗草的生物活性和1叶1心期水稻的安全性进行了研究.结果表明尿素与这3种酰胺类除草剂混用可显著提高除草剂的抑稗活性,混用后的共毒系数分别为146.1、116.7、132.6,其抑稗活性随除草剂剂量的增加趋于明显,混用后对l叶1心期水稻的安全性也显著提高,混用对水稻生长抑制共毒系数分别为79.1、87.5、67.2.
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