Soybean herbicide variety introduction and formula selection

Soybean is an important food crop and oil crop in China, and it is also an important export agricultural product in China. In recent years, the area of ​​soybean fields has been relatively stable, but the use of herbicides has also increased. Therefore, the knowledge of herbicides and formula selection techniques have played a significant role in increasing farmers' income and income.

Soybean field pre-emergence safety herbicides are fast-receiving, chlorhexidine, dol (metolachlor), Pulebao (isomethasamine), Lefengbao, broad-grass clear, Baoshou (broadleaf)æ•£), Pu Shite. Inhibition of soybean seedlings is 24 drops of butyl ester, 50% acetochlor, trifluralin, peacaprol (chlorsulfuron), syke, oxazin (oxazinone). Bean huanglong application period is short, and the safety of soybean and post-production is poor. It should be eliminated; trifluralin has inhibitory effect on soybean root growth, the disease is aggravated, the nodule is less and the yield is reduced, and the use of trifluralin for a long time is serious. Should be eliminated; 24-d-butyl ester is limited to pre-emergence or post-emergence with 50% acetochlor per acre. Soybean is less safe than 90% acetochlor and 90% Wones. It should be quickly used in Duer and Pule. Bao, Le Fengbao or 90% Wones or 90% acetochlor, 90% Shengong Shi and other high content of acetochlor. Sec, alaprozin (oxazinone), sensitive to individual soybean varieties, known Hefeng 25, Jiufeng 4 and Beifeng series varieties, in the low-lying low-rain conditions, or in the soybean arching period In particular, the combination of acetochlor and acetochlor aggravation has a great impact on the yield.

Soybean field soil phytotoxicity is more serious and should be restricted to use in hills, arid areas and autumn application. After the fast-distribution, the seedlings should be shallowly mixed or soiled 2 cm after application. In the past, soybean broad-leaved weeds and refractory weeds are serious, and herbicides should be developed from two mixed uses to three mixed uses. The following formulations are recommended for reference. Duer or Pulebao (Le Fengbao) Jiaguang annihilation accelerated or Bao Bao or Kucaoqing, Duer or Pulebao (Le Fengbao) accelerate the collection of Baobao or Kucaoqing, Henas or 90% Shengnong Shi (acetochlor) is widely used to accelerate the harvest or treasure book or broad grass clear. Or Pulebao (Le Fengbao) accelerates the harvest or Baoshou or Guangshenling or Kushuiqing, He Naisi or 90% Shengnong Shi (acetochlor) accelerates or collects or Guangling or broad grass clear . In the soybean, corn, and wheat rotation areas, Puschgaard, Pulebao (Lefengbao), Henas, and Shengnongshi can be used.

More pesticide knowledge , please pay attention to China Pesticide Network

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