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Interdisciplinary treatment of agricultural non-point source pollution
With the gradual improvement of the control level of industrial and urban point source pollution, agricultural non-point source pollution has increasingly become the main contribution source of water environment pollution. The academic research on the management and control of agricultural non-point source pollution is mostly concentrated in the field of natural science, and there are heavy monitoring, re-accounting and heavy industry.
2016-01-10 Interdisciplinary co-governance agriculture non-point sources pollution along with industry and -
Establishment of a complete monitoring and evaluation system for non-point source pollution
Establishment of a complete monitoring and evaluation system for non-point source pollution
2019-02-19 -
How to prevent and control non-point source pollution when returning to "green" agriculture?
It is reported that agriculture has overtaken industry to become the largest non-point source pollution industry in China. Why should agriculture, which should be green and healthy, become an accomplice to pollution? How to break agricultural non-point source pollution and return the earth to a natural and refreshing face? [present situation] amount of chemical fertilizers and pesticides
2016-01-10 Return "Green " Agriculture non-point sources pollution how to -
Requirements for Environmental conditions of Pleurotus ostreatus
The main factors affecting the growth and development of Pleurotus ostreatus are nutrition, temperature, moisture, air, light, pH and so on. In artificial cultivation, the whole process must meet the living conditions of each growth and development stage in time in order to obtain high yield and high quality Pleurotus ostreatus. 1. Nutrient carbon source is an important nutrient source of Pleurotus ostreatus. It is not only the raw material for the synthesis of carbohydrates and amino acids, but also an important energy source. The nutrients needed for wild Pleurotus ostreatus are mainly obtained from decomposing dead wood and withered grass, and cultivated artificially with rice straw, wheat straw, corncob, bagasse and cottonseed.
2019-01-16 -
The consumption rate of grain source in market circulation determines the total amount of trade space purchase in wheat market.
At present, the purchase of unlimited and low price in the new wheat market in the main producing areas makes the buyer's market atmosphere strong, the effective supply is more abundant, and the high national temporary storage price restricts its effective supply. With the gradual decline of the number of new wheat sources in the circulation market, the reduction of supply will affect its market price.
2016-01-10 Market circulation grain source consumption rate decision wheat market trade -
How to restore the population potential and make use of Honey Source the main points of the management of honeybees in spring
How to restore the population potential and make use of Honey Source the main points of the management of honeybees in spring
2019-01-15 -
What are the main sources of peanut production in our country?
What are the main sources of peanut production in our country?
2018-07-05 -
The nutritious lunch is fully limited to the "main course" of domestic ingredients, organic and rural, and the Council of Agriculture ensures that the meat can be traced back to the source.
The nutritious lunch is fully limited to the "main course" of domestic ingredients, organic and rural, and the Council of Agriculture ensures that the meat can be traced back to the source.
2020-10-12 -
Source and degradation of ammonia nitrogen in aquaculture
What is ammonia nitrogen. Ammonia nitrogen refers to the combination of free ammonia and ammonium ion nitrogen in water. It is the main factor causing the main toxicity of aquatic organisms. However, ammonium ions do not.
2019-02-26 -
How to fertilize the soil: the main source of crop nutrients and the key points of land fertilization management
Fertilizer management: to achieve the goal of sustainable agricultural production, to make nature circulate continuously and live forever. This is the ecological balance we need to achieve. The main significance of the fertilizer management of sustainable agriculture is to supply crop support by using natural materials that do not consume energy.
2019-01-03 How to fertilize soil crops nutrients main sources and -
An overview of proteins in the nutritional needs of pigs
(a) carbohydrates are the most widely sourced and account for the largest proportion of nutrients in diets, and are the main source of energy for pigs. In cereal feed, there is little soluble grass sugar and disaccharide, mainly starch, so it is the main energy source of pigs. Starch is converted into glucose by amylase in the digestive tract and then absorbed into the blood to form blood sugar. Biooxidation and energy supply in the body. The digestibility of soluble sugar and starch in livestock is 95% to 100%. In piglets before 3 weeks of age, due to the secretion of pancreas in the digestive tract.
2019-01-16 -
What are the main sources of the latest agaric?
China is the main producer of Auricularia auricula, mainly distributed in Jilin, Heilongjiang, Liaoning, Inner Mongolia, Guangxi, Yunnan, Guizhou, Sichuan, Hubei, Shaanxi and Zhejiang, among which Mudanjiang in Heilongjiang Province, Hailin City, Dongning County and Jiaohe County in Jilin Province
2020-11-10 the latest agaric production landlord must have those local middle national -
Are eggs the best source of food protein? Which is better, white eggs or yellow eggs?
Eggs are a cheap and good source of dietary protein. The so-called "excellent" refers to the proportion of essential amino acids in egg protein, which is quite close to the proportion of essential amino acids in human protein structure.
2019-04-13 Eggs is the best food protein source Mo white eggs -
What about the rotten roots of the orchid? five simple moves to make the rotten roots stop coming / improper fertilization is the main reason.
Gentleman orchid, flower friends must be no stranger, it is a good indoor breeding, not only has an extremely ornamental, but also has a wonderful effect in beautifying the environment and medicine. The role of Cymbidium attracts many people to raise it, but in the process of breeding, rotten roots often occur because of improper maintenance, so what about the rotten roots of Cymbidium?
2018-12-24 -
What to do with the growth of insects in the rich tree? pest control of the rich tree / 3 insect pests 2 diseases
With the development of the times, more and more people begin to raise plants indoors, and the rich tree, as a kind of beautiful and beautiful plant, is loved by the majority of flower friends. However, because the rich tree is not maintained according to the culture method of the rich tree, the rich tree will grow insects or get sick, thus seriously affecting the ornamental value of the plant.
2018-12-12 -
How long does it take to change water and how to grow new roots?
White palm, this is a lot of small friends are super like breeding, white palm can not only soil culture, but also can be water culture, water culture white palm how long to change water? How to grow new roots of white palm in water culture: how long does it take to change water? the purpose of changing water is to ensure the oxygen supply in the water and to provide nutrients for the growth of white palm root system.
2019-01-26 -
Application method of potassium fulvic acid from mineral source
Mineral potassium fulvic acid is now a popular plant growth regulator, so what is the use of mineral potassium fulvic acid? 1. The main functions of potassium fulvic acid from mineral sources. Stimulate the root system, activate the root dynamics, and promote the extensive formation of secondary roots. Effective increase
2020-11-08 Mineral source fulvic acid potassium usage mineral source yes -
Focus on "one control, two reductions and three fundamentals" to control agricultural non-point source pollution.
Yu Xinrong, vice minister of the Ministry of Agriculture, stressed at the first meeting of the working Group on the Prevention and Control of Agricultural non-point Source pollution that the first working group on the prevention and control of agricultural non-point source pollution was convened by the Ministry of Agriculture on July 29.
2016-01-10 Around "one control two minus three basic " play well agriculture -
The symptom and transmission route of rose brown spot can make the rose flower more robust from the source.
Rose black spot disease, also known as brown spot disease, is a common disease of Chinese rose. First of all, we should start from the source of infection, clean up the fallen leaves and remove insect branches and diseased leaves in time. Broad-spectrum fungicides were used to control the disease from the early stage of the disease. Beautiful.
2018-10-23 -
Do a good job in the Prevention and Control of non-point Source pollution and promote the Sustainable Development of Agriculture
At present, the development of China's agricultural and rural economy has entered the best historical period, and grain production has increased for 11 consecutive years, stabilizing at more than 1.2 trillion jin for two consecutive years. While making great achievements, it has also paid a huge price, and the strings of resource utilization are getting tighter and tighter.
2016-01-10 Hit well non-point source pollution prevention and control battle promotion agriculture current