Barra cut off the herbicide, come and know the nonanoic acid herbicide! How to use it effectively? Farmers and experts share practically in the field
1 sharing
Paraquat is about to be banned, and the Council of Agriculture began to promote nonanoic acid herbicides at the beginning of this year, and recently widely distributed coupons for only 20 yuan a bottle, emphasizing its application in vegetable producing areas. However, farmers have mixed comments on nonanoic acid, and a lot of questions arise: why can't weeds be killed? What is the most effective way to use it? Will nonanoic acid acidify the soil? Will it hurt the human body? If there is no subsidy in the future, is it possible for the price to fall?
Barra cut off the herbicide, come and know the nonanoic acid herbicide! How to use it effectively? Farmers and experts share practically in the field
Farmers surnamed Ke in Chiayi area reflect that some grasses cannot be killed, and even large ones will not die. Moreover, the dilution ratio of nonanoic acid is low, and half a bottle will be used at a time. In terms of effect and price, it is a far cry from Bala mowing, which farmers used to use in the past. Then there is the sour taste, farmers spray when the nose is uncomfortable, the skin is also very irritating.
However, some people think that nonanoic acid is quite easy to use. Chiu Fu-Yu, a student farmer in Tainan, says, "as long as it is used in the right place, this thing is effective." His experience is that weeds are sprayed when they are still in the seedling stage, and the effect is very good. It is best to spray when two or three leaves appear, and do not wait for the grass to grow strong. With regard to the irritation of nonanoic acid, after using several brands of nonanoic acid, he found that different formulations were different, and some brands had lower sour taste and irritation, which he could accept.
In response to a lot of questions, the upstream and downstream specially interviewed Xie Fengjia, head of the Biopharmaceuticals Group of the Drug and Poison Laboratory of the Council of Agriculture, and also collected the opinions of local farmers, farmers' associations, and materials traders, as well as weed expert Huang Wenda, associate professor of agronomy at National Taiwan University, agitation for progress. In the QA part of the article, Q asks questions for the upstream and downstream instead of farmers, and An answers for Xie Fengjia.
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Barra cut off the herbicide, come and know the nonanoic acid herbicide! How to use it effectively? Field practice sharing of farmers and experts
Barra cut off the herbicide, come and know the nonanoic acid herbicide! How to use it effectively? Field practice sharing of farmers and experts
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