What kind of pest control agent and growth agent is better for planting cabbage?
1. "methamectin" is a new type of highly efficient semi-synthetic antibiotic insecticide synthesized from the fermentation product avermectin B1. It has the characteristics of ultra-high efficiency, low toxicity (preparation is nearly non-toxic), no residue, no pollution and other biological pesticides. It can be used to control cabbage, insect pink butterfly, cabbage heart borer and so on.
(2) acetamiprid can be used to control all kinds of vegetable aphids.
Second, it is best not to use hormone growth agents, commonly used foliar topdressing can be used: yellow leaves one day green, doubly green.
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The leaves of Cymbidium have irregular yellowish-brown patches, and the leaf tip is withered, is it a disease or is it unaccustomed to soil and water?
The leaves of Cymbidium have irregular yellowish-brown patches, and the leaf tip is withered, is it a disease or is it unaccustomed to soil and water?
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Prevention and treatment of common diseases of captive sheep in summer
Prevention and treatment of common diseases of captive sheep in summer
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