Identify Learn more about Identify
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More than 50 kinds of books and 40000 selected books are delivered free of charge.
In order to help you rekindle your enthusiasm for reading paper books, we have carried out a long-term public welfare book delivery activity. As long as you pass on the reading with us, you can get physical books for free and choose what you like in the list below.
2018-09-06 -
"ask and answer" do farmers have the responsibility to identify labels and pesticide production enterprises?
Note: the picture is an advertisement and has nothing to do with the content of the article Q: do farmers have the responsibility to identify labels and identify pesticide production enterprises? Yang Lijian answered that the farmer did not.
2019-02-26 -
Teach you to identify the age of pigeons
Teach you to identify the age of pigeons
2018-07-09 -
How to identify the age of pigeons
How to identify the age of pigeons
2018-09-07 -
There is a good way to identify watered pork, how to quickly identify the freshness of livestock meat?
Now there are many non-merchants who use water injection to increase the weight of pork sold in order to make a profit, which has hurt many consumers by 10,000 points. the editor will teach you how to distinguish between watered pork and mother pork. How to quickly identify
2020-11-11 Water injection pork identification there are clever tricks how to fast livestock -
How to identify the fungicide streptomycin?
How to identify the fungicide streptomycin? Please give guidance on the method to identify true and false pesticide streptomycin as long as it is not difficult to master the identification method. Now several simple physical identification methods are introduced as follows: 1. Hand touch: the fungicide streptomycin is not slippery and sticky after a certain period of time. The hand twist of fake medicine is smooth.
2018-07-14 -
How to identify the stability of odd flowers
How to identify the stability of odd flowers
2018-04-13 -
How to identify pesticide residues in vegetables
How to identify pesticide residues in vegetables
2018-08-09 -
How much is a cocker spaniel? How to identify its species?
The cocker spaniel is a small hound native to Spain. It is docile and loyal to its master, and is very popular with people. How much is a cocker spaniel on the market now? How can we identify the species of cocker spaniel? How much is a cocker spaniel for a household pet
2020-11-11 Coca more dogs less money one how to identify it its species -
How to identify the lack of water in Magnolia
How to identify the lack of water in Magnolia
2020-04-16 -
How to identify flower diseases and insect pests?
How to identify flower diseases and insect pests?
2019-09-26 -
What method is used to identify controlled release fertilizers?
What method is used to identify controlled release fertilizers? Please introduce the identification method of controlled-release fertilizer to identify true and false can refer to the following methods: hand rubbing is really not afraid of hand rubbing, capsule strength is good, high strength, two hands rubbing particles, capsule does not lose color, does not fall off; fake fear of hand rubbing, poor quality or fake controlled-release fertilizer because the strength is not up to.
2018-07-11 -
How to identify the quality of giant salamander seedlings
How to identify the quality of giant salamander seedlings
2018-07-04 -
How to identify pearl turtle (Chinese flower turtle)? How?
Pearl turtle, scientific name Chinese flower turtle, also known as Taiwan grass turtle, widely distributed in southern tropical areas of China, such as Guangdong, Guangxi, Hainan, Taiwan and other places. Today, pearl turtles are raised as pets by many people. So, how to identify pearl turtles? Pearl turtle
2020-11-11 pearl turtle chinese how to identify how to raise -
How to identify ripening tomatoes? What is the harm of eating it?
Tomato, also known as tomato, is a vegetable that can be eaten both raw and cooked, which is very popular in the market, but with the continuous improvement of planting technology, many dishes are ripened with hormones, and tomatoes are no exception. How to identify ripening tomatoes? What are the dangers of eating?
2020-11-08 How identify accelerate ripening tomato eat have which harm -
Duck plague attack, how to identify and control? Come and have a look if you don't know!
Duck plague, also known as duck viral enteritis, is an acute, febrile and septic infectious disease of ducks, geese and other geese. For ducks, geese and other poultry farmers, how to identify and control is very important. The following content is very important, oh, extensive aquaculture.
2020-11-11 Duck plague attack how identify and control do not know hurry up -
2018 how much is a jin of rosewood? How to identify rosewood?
Red sandalwood is produced in Taiwan, Guangdong and Yunnan (south). Hard and dense wood, red heartwood, excellent wood for architecture, musical instruments and furniture; resin and wood medicine. So how much is 2018 rosewood per jin? How to identify rosewood? Rosewood
2020-11-09 2018 purple sandalwood price one jin more less money how to identify -
How to identify common orchids
In some larger flower markets, you can often see all kinds of beautiful orchids on sale. How to identify these orchids? Several commonly cultivated orchids are introduced as follows, which can be used as a reference for flower lovers. Chunlan: roots fleshy, white, leaves narrowly linear, ca. 20 cm to 25 cm, margin.
2018-03-05 -
How to identify diseases and insect pests of orchids?
How to identify diseases and insect pests of orchids?
2018-05-05 -
How to identify poisonous cucumbers
How to identify poisonous cucumbers
2018-06-30