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  • Orchids are called "old species", "new species", "native species", "resale species" and "tissue culture seedlings".

    Orchids are called

    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
  • Introduction of bird species

    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
  • Can foodie repel invasive species? Stupid humans are clothes.

    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
  • 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

    Excellent Fish species is the fundamental way to raise Fish well. Matters needing attention in cultivating Fish species in Summer

    2019-01-16
  • Parrot species: common parrot species: peony parrot, budgerigar, monk parrot, macaque

    Parrot species: common parrot species: peony parrot, budgerigar, monk parrot, macaque

    Common species of parrots

    2019-02-15
  • Causes of overwintering death of fish species and its management measures

    Causes of overwintering death of fish species and its management measures

    Causes of overwintering death of fish species and its management measures

    2019-12-18
  • There are 529 alien invasive species in China, resulting in a loss of 57 billion yuan a year.

    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
  • There are ways to rejuvenate weak fish species in autumn.

    There are ways to rejuvenate weak fish species in autumn.

    Due to the hot summer climate, aging water quality and feeding management and other reasons, the physique of fish species raised by many farmers is weak. If these weak fish species are not rejuvenated in time when the autumn is high and cool, it is not conducive to the overwintering of fish species, and will greatly affect the annual output in the coming year. Therefore, it is very important to rejuvenate weak fish species in autumn. The methods of rejuvenation of weak fish species in autumn are introduced as follows: after the high temperature season of turning ponds and Qingtang in spring and summer, the general water quality is aging, the natural organisms are reduced, and the harmful bacteria are increased, which is not conducive to the fish.

    2019-01-16
  • What kinds of edible fungi are there? What is the price and purchase method?

    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
  • How to identify the quality of fish species in aquaculture

    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
  • A detailed explanation of the concept of products and species of orchids

    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
  • Technical points of safe overwintering of fish species to avoid economic loss

    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
  • The fire was the second death they were forced to experience.

    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
  • A preliminary study on the famous carved wood of boxwood and its substitute

    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
  • 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.

    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
  • Measures to strengthen autumn breeding of fish species

    Measures to strengthen autumn breeding of fish species

    Autumn water temperature is generally between 20~30℃, it is a good time for fish growth, if autumn does not grasp the breeding of fat fish species, to the cold winter, most fish species will die due to thin physique, the average survival rate is often less than 60%. Therefore, strengthening the autumn cultivation of fish species is a top priority for farmers. The specific cultivation measures are: disinfecting and clearing the pond, transferring to the fish pond where the fish species are cultivated in Xintang. After several months of cultivation in spring and summer, the water quality is gradually aging, and the dissolved oxygen and food organisms are reduced.

    2019-01-16
  • How to configure and maintain ornamental grass species and turfgrass species

    How to configure and maintain ornamental grass species and turfgrass species

    How to configure and maintain ornamental grass species and turfgrass species

    2019-03-04
  • Management of fish species in autumn

    Management of fish species in autumn

    ㈠ cleans the pond. After entering autumn, the fish species should be transferred to the pond which has been cleared and sterilized for cultivation, so that the fish species can survive the winter safely. Where there are difficulties in the turnover of water sources and fish ponds, all the fish can be temporarily reared, disinfect the original pond with 75-100 kg of quicklime per mu, fatten the water according to the conventional method, and return the fish to the fish after the drug disappears. Separate cultivation of ㈡. It is necessary to make sure that the specifications of the fish species in the same pond are consistent. Large size fish species have large food intake and strong grabbing power. If small size fish species are put at the same time, small size fish species will cause.

    2019-01-16
  • China has become one of the most serious invasions of alien species.

    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
  • Identification of seven species of closed-shell turtles

    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