which species Learn more about which species
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Orchids are called "old species", "new species", "native species", "resale species" and "tissue culture seedlings".
Baomu Zhai is the first thing we often see, and the seller will add the word "old" before the name of the variety. It is pointed out here that this is a big hoax. The so-called "old species", the parallel words are "new and old species", "new species" or "new flowers" and "old species" is not a word to describe the source, he.
2018-02-28 -
There are 529 alien invasive species in China, resulting in a loss of 57 billion yuan a year.
The invasion of more than 500 alien species engulfs 57 billion yuan a year, which is caused by the invasion of alien creatures in Beijing by reporter Zhang Wen, which not only seriously interferes with the ecosystem, but also brings an average annual economic loss of more than 57 billion yuan to our country. The Ministry of Agriculture issued a message on July 29 that I
2016-03-20 China alien invasive species up to 529 species a year bring 500 -
Can foodie repel invasive species? Stupid humans are clothes.
Today's species calendar introduces hairy crabs. At the end of the article, we say that hairy crabs have become an invasive species in Europe and the United States. You may be surprised that hairy crabs can still cause headaches? Send a Chinese food delegation, not divide it.
2018-10-03 -
A detailed explanation of the concept of products and species of orchids
Carry forward the national orchid culture and spread the knowledge of orchids. At present, the orchid research on Yilan has entered an unprecedented new stage. Orchid experts, scholars and other orchid lovers from south to north pay close attention to the new progress of Yilan research.
2018-06-22 -
Beautiful native plant species up! The Forestry Bureau selects 106 species of native forest plants in Taiwan, all of which can be selected for horticultural landscape and street trees.
Beautiful native plant species up! The Forestry Bureau selects 106 species of native forest plants in Taiwan, all of which can be selected for horticultural landscape and street trees.
2020-03-18 -
Introduction of bird species
There are many species of birds, according to the classification, birds can be divided into three heads, namely, flat chest head, penguin head, chest protruding head. A bird, such as an ostrich, that cannot fly for good walking; a bird, such as an enterprise, that is unable to fly for swimming and diving.
2020-11-11 Bird species introduction bird there are many according to -
How to identify the quality of fish species in aquaculture
Strong fish species is not only an important basis for increasing adult fish production, but also one of the main conditions to improve the survival rate of fish species. The main standards for identifying the quality of fish species are 5.
2019-02-26 -
Excellent Fish species is the fundamental way to raise Fish well. Matters needing attention in cultivating Fish species in Summer
Excellent Fish species is the fundamental way to raise Fish well. Matters needing attention in cultivating Fish species in Summer
2019-01-16 -
The fire was the second death they were forced to experience.
A fire in Brazil has touched the hearts of countless scientists and museum enthusiasts-the fire that started last Sunday night burned almost all of the main collection of the National Museum of History of Brazil, and 20 million collections were torched, including.
2018-09-08 -
China has become one of the most serious invasions of alien species.
On July 24, the national exotic invasive organism water hyacinth was killed on the spot in Guilin Town, Tongnan County, Chongqing. Water hyacinth is one of the top ten malignant invasive weeds in the world. It was introduced into China in the 1930s and has spread in the middle and lower reaches of the Yangtze River.
2016-03-20 China adult alien species invasion the heaviest one July -
A preliminary study on the famous carved wood of boxwood and its substitute
The main results are as follows: 1 the basic situation of buxusspp belongs to buxaceae and bunus, which is called boxwood in English. For evergreen shrubs or small trees, there are more than 70 species in the world, distributed in Europe, Asia, tropical Africa and Central America. There are about 17 species in China and 8 species in Yunnan. According to the record of Chinese Timber Chronicles, there are small tree timber forests distributed or cultivated in Shennongjia Forest region of Hubei, Wuyishan Mountain of Jiangxi Province and Sichuan Province, and there are Populus tomentosa with DBH about 30cm in Laoshan Forest Farm of Shandong Province.
2019-01-15 -
Mushroom species: mushroom common species, common edible mushroom species name
Mushroom species are very many, in the known range of mushrooms have as many as 36000 species, distributed around the world, of which forest deciduous zone is the most abundant. What are the common mushroom species? Let's take a look at it together. Chicken: Don't.
2019-03-12 mushroom species general common edible name of -
Is crocodile a protected animal?
Is crocodile a protected animal?
2018-07-06 -
Which species of Luohan fish is beautiful? How to distinguish them?
Luohan fish is a very popular ornamental fish because of its colorful and beautiful patterns, graceful posture in the water, intimacy with people and good interaction with people. Which species of Luohan fish is beautiful? How to distinguish them? Which species of Luohan fish floats?
2020-11-11 Luohan fish a species beautiful should how distinguish they -
Identification of seven species of closed-shell turtles
At present, the breeding of closed-shell turtles is one of the hot spots in turtle breeding. There are seven species of closed-shell turtles, except Anbu closed-shell turtle is a common species, the other six species are difficult to see their appearance. In order to enable farmers to select species correctly, the identification methods of seven species of closed-shell turtles are introduced as follows: 1. The difference between closed-shell turtles and other turtle species closed-shell turtles are specialized groups of turtles. The middle part of their abdominal nail is connected by ligaments, which is like a hinge and can move. after death, the ligament is broken and the abdominal nail becomes two segments, so the closed-shell turtle is called broken plate tortoise.
2019-01-16 -
Autumn management of fish species
The water temperature is suitable in autumn, which is the peak season for the growth of fish species. The following work should be done well in the management of fish species in autumn. 1. Clear the pond in time. After 2-3 months, the water quality of the ponds tended to be aging, the natural bait decreased, and the harmful substances such as hydrogen sulfide and pathogens increased. After entering autumn, the fish species should be transferred to the pond which has been cleaned and sterilized for cultivation to purify the culture environment. 2. Scientific bait. Due to the suitable climate in autumn, large food intake and rapid growth of fish species, the supply of bait must be ensured. Mainly herbivorous fish species, with silver carp
2019-01-15 -
Study on different compound planting patterns of Dictyophora and Polygonatum polygonatum under Castanea henryi forest
Research fund project on different compound planting patterns of Dictyophora and Polygonatum polygonatum under Castanea henryi forest: integrated demonstration and promotion of key techniques of forest-fungus compound cultivation in the mountainous area of southern Zhejiang (project number: 2014ts16) 2015-2016, two forest fungi in southern Zhejiang.
2018-06-12 -
What kinds of edible fungi are there? What is the price and purchase method?
We all know that edible mushrooms are mushrooms, which are often eaten in our lives. In China, there are more than 350 known kinds of edible mushrooms. Few of these fungi are wild, and most of them are artificially planted. If you want to plant them artificially, you need strains. If there are no bacteria,
2020-11-09 Edible mushroom strain have what type price and purchase method -
What are the common varieties of pineapple plants? basic morphological characteristics and representative species of 9 genera
What are the common species of the pineapple family? basic morphological characteristics of 9 genera and representative species many species of the pineapple family live on the branches of big trees, such as the species of the genus Pineapple. The fruit of this genus will crack when ripe.
2018-06-14 -
Technical points of safe overwintering of fish species to avoid economic loss
Technical points of safe overwintering of fish species to avoid economic loss
2018-07-14