Preparation of 40% concentration chlornidine herbicide

Application Number: 00107352
Application Date: 2000.05.11
Publication Number: 1323522
Publication Date: 2001.11.28
Priority Information:
International: A01N47/32
Applicant(s) Name: Zhang Chaocun
Address:
Inventor(s) Name: Zhang Chaocun
Patent Agency Code: 13100
Patent Agent: dong jinguo
Abstract The invention relates to a method of preparing a sort of herbicide — 40% chlorotoluron and acetochlor mixed herbicide which can be applied to cornfield before or after nursery plant seedling coming out. 40% chlorotoluron and acetochlor mixed herbicide consists of chlorotoluron 1-3%, acetochlor 15-25%, atrazine (NNO) 15-25%, emulsifier 5-15%, water 38-60% in weight percent. The components at mentioned percentage are put into reaction kettle and mixed for 0.5-1 hour under normal temperature, after 1-2 hour grinding to a water mill to colloid mill, the product is obtd.. It is good in effect to remove weeds by using the invented product. Spraying the product only once in the corn growth season, the goal for removing weeds thoroughly will be reached.