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We should pay attention to the selection of spring sowing corn.
How to select good maize varieties is a key issue related to whether the yield can be increased in autumn. When selecting improved varieties of corn, farmers should follow the following principles: first, seed selection according to the conditions of heat resources. The local heat resources are related to the growing period of maize varieties. The corn variety with long growing period has good yield performance.
2018-09-12 -
How to select sorghum seeds? What are the breeding methods?
From the perspective of grain crops, most of our friends in most areas may know wheat and rice better, but sorghum rice can also be used as food. Before planting sorghum, you need to select the seeds first. Let's learn them together. 1. How to select sorghum seeds?（
2020-11-27 sorghum seeds how seed selection have which seedling method from -
The individual selection Program of Fox
The main results are as follows: (1) after weaning, the primary selection is mainly based on the production performance of their ancestors, and the parents with good production performance, early birth and normal development are reserved for breeding. The primary baby silver black fox male fox should be born before April 5, the female fox should be born before April 10, and the primary baby arctic fox should be born before May 20. 40% more should be left in accordance with the seed retention plan during the primary election. The selection of adult male foxes is carried out after mating and the selection of adult females is carried out after the litter of foxes. For those who have poor breeding ability and poor semen quality.
2019-01-16 -
Selection of juvenile fish and management methods of adult fish in brocade carp culture
1. Selection of juvenile fish after hatching, the larvae are raised for 20 to 30 days, and when the fish grows to about 3 cm, they begin to select, eliminate the inferior and retain the good, and strengthen the growth rate, so as to achieve the purpose of protecting the characters. The selection of juvenile fish is the most important to obtain high quality koi in the process of breeding.
2020-11-08 Culture koi juvenile selection and adult fish breeding management -
Methods and techniques of wheat seed selection
Methods and techniques of wheat seed selection
2019-09-04 -
Technical methods of seed selection and retention of Lotus Root
(1) selection and breeding. The selection and breeding of lotus root mainly includes asexual seed selection and sexual cross breeding. 1. Asexual selection. China is rich in lotus root germplasm resources, which provides good conditions for asexual selection. In recent years, varieties selected from superior clones include Kexuan 1, Elian 1 and Zhejiang Lake.
2018-09-13 -
Seven bases for High yield selection of Spring sowing Maize
When sowing, apply compound fertilizer 30ml / mu 40kg, fertilizer should be applied between two rows or two plants of corn, the depth is more than 10cm, cover the soil after application. At the 3-leaf stage, light dung water can be irrigated once, 1500Mu and 2000kg per mu. After fixing seedlings at the 5-leaf stage, look at the amount of base fertilizer and the growth of corn.
2018-09-10 -
How to choose a good breed for raising minks and what matters needing attention?
What is the seed selection? Seed selection is to select good individuals for seed use and eliminate bad individuals at the same time. How to choose a good seed? 1. Choose a good variety. A good breed is the basis for improving the litter birth rate and survival rate of minks. When introducing a variety, it must be taken into account.
2020-11-08 Raise mink how choose species yes what matters needing attention -
The latest course of Maize breeding techniques and methods
Seeds are the most important means of production, and new varieties are the core foundation of agricultural scientific and technological progress. Maize breeding and production practice show that 43% to 60% of the increase in maize yield is achieved through excellent varieties and their popularization. therefore, it is important to cultivate and popularize new maize varieties.
2020-11-10 The latest corn breeding techniques methods tutorials seeds are -
Breeding techniques of improved Tea Variety
There are many methods to select excellent tea varieties, such as systematic selection, cross breeding, artificial breeding, introduction and domestication and so on. (1) systematic seed selection: also known as single plant seed selection. According to the breeding goal, a good single plant is selected from the seed selection materials, and the first single plant is propagated asexually, and compared with the standard species and the original population species, the excellent and good ones are cultivated into new varieties for propagation and promotion. Step: ① primary selection: according to the correlation between seed selection objectives and tea characters, several excellent individual plants were selected in the tea garden, marked and numbered for observation.
2019-01-16 -
The Latest Methods and Techniques of Wheat Seed Selection
Wheat is one of the main food crops in our country. After autumn harvest, it is time to cultivate wheat for one year. Now it is time to choose wheat varieties. There are many varieties of wheat. How to select wheat seeds correctly? Let's take a look at it with Xiaobian
2020-11-10 latest wheat seed selection methods and techniques yes china -
Suggestions on the Selection and Introduction of Orchid
Carry forward the national orchid culture, spread orchid knowledge orchid selection and introduction is very complex, such as poor seed selection will directly affect your enthusiasm for orchid cultivation; the introduction of inferior grass, fake grass on your economic interests directly damaged. For this reason, in Lan...
2018-09-14 -
Problems easily overlooked in the process of selecting and retaining reserve pigs
(1) The selection and retention procedure is unreasonable and the selection and retention process is simplified: in some pig farms, the selection and retention process of reserve pigs is very simple, and there is no fixed procedure. Only after the breeding pig knot test is completed, the selection and retention can be simply evaluated, which is easy to cause imbalance in the selection and retention amount of each bloodline and decline in breeding pig production performance. Therefore, the selection and retention of reserve pigs should have a fixed procedure as a basis. Generally, the selection and retention of reserve pigs should go through three processes: primary selection, middle selection and fixed selection. Primary selection refers to the selection group with 4 times the number of reserved seeds when the farrowing segment is transferred to the breeding segment; middle selection refers to the development from young breeding to fattening.
2019-01-16 -
The seed selection process of masked palm civet artificial Culture
Masked palm civet (scientific name: Paguma larvata taivana English name: Swinhoe) is a kind of precious wild animal of carnivora, feline cat family and beaver genus. The body color is yellowish grayish brown, the body is slightly fat, the neck is thick and short, and it is not easy to distinguish from the body. There are 17 subspecies in China.
2020-11-08 Fruit beaver artificial breeding seed selection process fruit scientific name -
Selection and Rational Utilization of Breeding Rams
Selection and Rational Utilization of Breeding Rams
2018-06-30 -
Skills of selecting juvenile fish in brocade carp culture
After hatching, the brocade carp larvae have been raised for about 20 days to a month, and when the fish grow to about 3 cm, they should be selected. The purpose of selection is to eliminate the inferior and retain the superior, to strengthen the growth rate, so as to achieve the effect of protecting genetic traits. Therefore, the selection of juvenile fish is feeding.
2020-11-08 Breeding koi selection juvenile skill hatching -
How to choose and buy high quality compound fertilizer?
How to choose and buy high quality compound fertilizer? Please introduce the methods for the selection and purchase of high-quality compound fertilizer can refer to the following methods: first, scientific selection of compound fertilizer according to the nature of fertilizer. At present, a considerable number of compound fertilizers sold in the market do not meet the national DB15063-94 standards. According to the national standard, compound fertilizer (compound fertilizer).
2018-07-14 -
The selection and purchase of beagle dogs
(1) before purchasing, you can go to the home with a beagle to have a general understanding of the dog's appearance, habits and characteristics, so that there can be a standard comparison in the selection, so as to avoid the mistake of abandoning the good and choosing the bad. (2) it is also necessary to refer to some materials about the introduction of the dog and add some rational knowledge, so that it can be more handy in the selection, so that all parts of the selected object are in line with the characteristics of the dog, and an ideal and satisfactory breed can be obtained. (3) first of all, height and physical importance meet the standard, and it is not appropriate to be too big or too small. If selected
2019-01-16 -
What problems should be paid attention to when selecting maize seed varieties?
What problems should be paid attention to when selecting maize seed varieties?
2018-07-01 -
Aspects needing attention in the selection of chicken farm site
To build a chicken farm, we must first consider the problem of site selection, and the site selection must be based on the scale and nature of the farm (commercial broilers, commercial laying hens or breeder chickens, etc.). Whether the site selection is appropriate or not is related to health and epidemic prevention and the growth of chickens.
2020-11-08 Chicken farm site selection need attention aspect construction