and length Learn more about and length
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Comparison table for the use of needles for pigs, with common model and length
For pigs born to 10 kilograms, the commonly used needle length is 0.5-0.75 inches and the needle number is 20-21. 10-30 kg pigs: the commonly used needle length is 0.75-1 inch and the needle number is 18-19. 30-100 kg pigs: the commonly used needle length is 1-1.25 inches and the needle number is 18.
2020-11-08 Pig needle use comparison table attached common model and length -
Effects of different cuttings length on the quality of grape self-rooted seedlings
The effect of different cuttings length on the quality of grape self-rooted seedlings at present, the methods of grape cutting in different regions of China are more or less the same, but due to the blind pursuit of seedling output and ignoring the quality of seedlings, the quality of seedlings is uneven and serious.
2018-06-09 -
How much is a kilo of cocoons?
How much is a kilo of cocoons?
2019-02-18 -
Guan Yao's appreciation of Tibetan Stone
Title: double dragon water stone species: wax stone specification (cm): length 16X thick 11X high 27 description: from the depths of rivers in Guangxi, after a long period of water scouring movement to form a shallow carving pattern, Ssangyong alive, vivid shape, intact, very hard.
2018-07-24 -
What is the language of red roses? what does red roses mean?
What is the language of red roses? what does red roses mean?
2019-03-07 -
What is the classification standard of edible fungi?
What is the classification standard of edible fungi?
2020-12-09 -
Winter management techniques of mulberry trees with double bumper harvest of fruits and leaves
Winter management techniques of mulberry trees with double bumper harvest of fruits and leaves
2018-07-15 -
The difference between Centella asiatica and Centella asiatica
Leaf difference: the leaf of Centella asiatica is kidney-shaped, with a length of 9-13 cm, while that of Centella asiatica is round, kidney-shaped or horseshoe-shaped, with a length of 1-2.8 cm. Flower difference: the flowers of Centella asiatica are yellowish, oblong or spoon-shaped; the flowers of Centella asiatica are purplish red or milky white, the petals are oval, the petals are membranous, and the style length is about 0.6mm.
2018-09-17 -
How to choose to kiss eel
If we want to choose the seedlings with more eggs, high fertilization rate, emergence rate and good quality, we must choose the rice field eel with a certain age, weight, strong physique, no serious disease and trauma as the parent eel. In the non-breeding season, it is difficult to distinguish between female and male eel in appearance, and usually stay on the basis of body length. Most of the ricefield eels are female when their body length is 20 cm-35 cm, and most of them are male when their body length is more than 45 cm. Under normal circumstances, you can choose to stay at 3:1 according to the above two body length groups.
2019-01-16 -
Index of pear seedling coming out of nursery
Pear seedlings out of the nursery index level project first-class secondary varieties and rootstock types pure root lateral root number more than 4 more than 3 main root length more than 10 cm length of lateral root length not less than 15 cm, diastolic stem rootstock length less than 10 cm, height more than 130 cm, more than 100 cm thickness (5 cm above ground) more than 1 cm rootstock treatment rootstock stakes must be cut off There are more than 6 full buds in the plastic zone. Note: the yield of seedlings per hectare is less than 150000, and pear rootstocks in Beijing should be used.
2019-01-16 -
A collection of pictures of fox breeds
A collection of pictures of fox breeds
2018-07-07 -
Pruning techniques of fruit trees in winter
Pruning techniques of fruit trees in winter
2018-07-02 -
large yellow croaker
(1) Morphological characteristics: large yellow croaker body elongated, flat side, dorsal and ventral margin wide arc, slender tail stalk. The body length is 3.5 - 4.2 times the body height and 3.4 - 3.8 times the head length. The head length is 3.9 - 5.0 times the length of the snout and 3.5 - 5.7 times the eye diameter. The length of the tail stalk is 3.4 - 3.8 times the height of the tail stalk. The dorsal and upper sides are yellow-brown, the lower and ventral sides are golden yellow, the dorsal and caudal fins are grayish yellow, the pectoral and ventral fins are yellow, and the lips are orange. The head side is flat, large and pointed obtuse, with developed mucus cavity. Mouth obtuse, larger than eye diameter. Kissing pleats intact, not
2019-01-16 -
What kind of fish is a tiger fish?
Tiger fish belong to offshore bottom fish, and their body color varies with depth, generally dark brown in coastal shallow waters and red or yellow in deep waters of the open sea. Do you know what it looks like? What kinds do you have? What does the tiger fish look like? Old
2020-11-11 Tiger fish what is it tiger belong to offshore bottom miscellaneous fish -
The latest Winter Fruit Tree pruning techniques and methods course
The pruning of fruit trees during the period from the defoliation to the germination of the following year is called winter pruning. Winter pruning of most tree species is usually carried out between January and February. The main purpose of winter pruning is to prune and cut some unnecessary branches, such as disease, insect and withered branches.
2020-11-10 Latest winter fruit trees pruning techniques methods tutorials from -
The elegant Little Princess "Fairy Fish" Culture Collection of Tropical Fish
Fairy fish, also known as swallow fish, angel, small fairy fish, small fin sailing fish, etc., Riceae fish, native to South America Guiana, Brazil. The fairy fish grows 12-15 centimeters.
2019-02-28 -
Parent cultivation technique of small yellow croaker Pseudosciaena Crocea
Small yellow croaker (PseudosciaenapolyactisBleeker) belongs to Perciformes, Perciformes, Coleopteridae and Pseudosciaena Crocea, distributed in the Bohai Sea, the Yellow Sea and the northern part of the East China Sea. It is a warm near-bottom fish and was originally one of the four major marine economic fishes in China. The resources of Pseudosciaena Crocea have declined seriously since the 1950s. In this paper, the author introduces the technique of parent culture of Pseudosciaena Crocea. Through the observation of the growth process of Pseudosciaena Crocea, the growth parameters are recorded, which are the artificial reproduction and human of Pseudosciaena Crocea.
2019-01-16 -
Bonsai: the ancients praised pine as the length of a hundred trees for thousands of years without honorable integrity.
Pine is the length of a hundred trees. Multi-section Yongnian, the skin is as thick as Longlin, the leaves are as thin as horse bristles, they do not wither in the face of frost and snow, they do not wither after thousands of years, and their noble integrity is impressive. ...
2018-05-07 -
How to tell the blue cloth skirt
Flowers: usually blue, inflorescences acutely branched and very dense, without bracts. Filaments grow in the middle of Corolla tube, about 5-6mm long. Corolla length is 5-6mm, lobes are round, with very obvious reticulate veins. Fruit: ovate, slightly sunken abaxially, flowering and fruiting from May to September, about 3-4mm in length.
2018-09-17 -
Critical control points for the production of whole-plant corn silage
Critical control points for the production of whole-plant corn silage
2018-06-30