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留学生作业代写:The influence of meteorology on agricultural production

2017-11-06 来源: 51due教员组 类别: 更多范文

下面为大家整理一篇优秀的assignment代写范文- The influence of meteorology on agricultural production,供大家参考学习,这篇论文讨论了气象对农业生产的影响。气象要素对农业有着非常明显的影响,尤其是降雨较少的区域,气象要素的意义更为明显,它会直接影响农业生产的收成。而对农业生产影响比较大的气象有大风、连阴雨、低温冻害、干旱、洪涝和冰雹等。要想预防这些气象对农业生产的影响,就必须要掌握最新的气象信息。

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After a long investigation and exploration, the author finds that there is a very close relationship between meteorology and agricultural development. Therefore, if we want to develop good agriculture, we should improve the precision of meteorological forecast and ensure that the farmers can obtain accurate meteorological information and arrange agricultural activities better. The author analyzes the influence of meteorological conditions on agricultural activities and puts forward some opinions.

In recent years, due to the continuous development of technology, a variety of advanced equipment has been used in agricultural work, at this time the mechanization of agricultural activities is very significant, the output value is also increasing. However, there are many factors that interfere with the development of agricultural activities. Through the analysis we can know that because of our country's land area is very broad, the environment is complex, causes each region's agricultural activity to be different. But no matter what the region, agricultural income is still the main income of the vast majority of farmers. The vast majority of farmers believe that meteorological factors have a very obvious impact on agriculture, especially in areas with less rainfall, the significance of meteorological elements is more obvious, it will directly affect the majority of farmers income.

For the vast majority of farmers, to obtain meteorological information or rely mainly on meteorological forecasts, the channel is narrower, in some of the more backward areas can only be heard by radio or newspapers to obtain information. There are individual farmers using their own methods to obtain temperature conditions, such as in their own greenhouse to place a thermometer, in order to know the temperature of the situation, easy for the large shed ventilation. These channels are relatively backward, narrow channels, can not help farmers better arrange agricultural activities.

Regardless of the area of farmers, all understand the importance of meteorological information, will refer to the meteorological information arrangement activities. However, in the busy time, their own high-intensity Labor makes them have no mind to pay attention to meteorological information, not to mention the telephone counseling. Through the investigation, we found that the vast majority of farmers agree that the meteorological survey work on their production work help, generally believe that the weather broadcast in a short time the accuracy of the continuous improvement, but the longer the detection and the specific situation there is a certain gap between. In particular, the forecast of drought meteorology, it will directly affect the agricultural activities in the water shortage area, will have a great impact on the lives of the majority of farmers, so the relevant institutions should be based on meteorological information, to formulate drought-resistant strategy.

Because of the influence of economic factors, the people in backward areas pay more attention to disaster warning. Because of its way to obtain meteorological information is not very advanced, can not be found in the first time information, can not be carried out as soon as possible prevention activities, will eventually cause very serious losses, and sometimes endanger the lives of related personnel safety. Therefore, in order to avoid problems, it is necessary to broaden the channels of information dissemination to ensure that the masses can obtain the necessary information in the first time.

First, to ensure accurate information, enhance early warning efforts to assist the vast number of farmers to carry out good agricultural activities. Second, we should actively carry out the meteorological research work and do a good job of technical service, and as meteorological workers, we should also understand the needs of the masses and help them to carry out agricultural work better. Third, to improve the speed of information transmission to ensure that the fastest speed to carry out good information collection and processing and broadcast work, to minimize the impact of disasters. At the same time, we must carefully record and retain the relevant meteorological data, so as to facilitate the subsequent occurrence of similar things reference. Four, actively using High-tech, such as the use of remote sensing technology to detect the amount of water vapor in the air, and actively analyze the distribution of resources, to divide the climate zone, to ensure that the broad masses of the region's climate characteristics. Five, the positive early warning, before the disaster occurs, must through a variety of channels to inform the vast number of farmers, at this time the masses can be based on information to carry out the work, to maximize the reduction of the negative impact of disasters.

Usually, we will wind more than 8 levels, the speed is greater than the 17m/s are defined as strong winds. At present, there are three types of gale in our country, namely Typhoon attack, Thunderstorm Gale, North Cold Wind south. In these three kinds, the last one is more common. No matter what type of gale, once appeared will have a serious impact on vegetation and housing, especially on crops, the most serious impact, in individual cases will lead to crops.

The so-called rain refers to the climatic phenomenon of more than 5 days of continuous rainfall and a total rainfall exceeding 30mm. In this process, the light is very rare, humidity is large, it is obvious that this is very unfavorable for the growth of crops, if this kind of weather occurs during the ripening period of crops, it may lead to crops. Such as peanuts and cotton, such as the quality will be greatly discounted, if this kind of climate in the seeding stage, will lead to delay in sowing time, resulting in agricultural production is very obvious interference.

Cold Frost damage also applies to agricultural activities. Specifically, because of cold air and cold wave effects, the temperature will continue to decline, causing serious effects on crops, resulting in lower production.

In many natural disasters, drought is the most serious. If there is no rain for a period of time, it will lead to the loss of water in the soil too quickly, the water in the water will also be reduced, the life of the masses and the growth of crops are very unfavorable, will make a significant reduction in crop production.

The so-called floods refer to problems such as the presence of water or inundation in low-lying areas due to persistent rainfall. For our country, precipitation is generally concentrated in the summer, and annual rainfall is different, sometimes floods. Once the occurrence of the words will lead to crop growth is limited, production is reduced, interfere with agricultural activities. The impact of such disasters is very serious and can affect the lives and social stability of the masses.

In addition to the above-mentioned disasters, the impact of hail is also very serious, the occurrence of a higher probability. Through analysis, we found that the cause was mainly from the particularly strong convective cumulonimbus, the rising airflow in the cloud is much stronger than the general thunderstorm cloud, and the small hail is increased by the collision of the hail embryo up and down several times and the supercooled water droplets in the convective cloud, when the rising airflow in the clouds cannot support, it will descend to the ground and cause disaster. Usually it does not appear alone, usually in stormy weather. It has a very serious impact, resulting in a significant reduction in crop yields, and in individual cases crops.

Agro-meteorological services should establish comprehensive meteorological monitoring stations. The monitoring of meteorological stations should be carried out in many fields, such as farmland, environment, transportation and forestry, so as to implement all-weather monitoring and improve the ability of comprehensive monitoring. According to the demand of farmers and agricultural production, this paper constructs a new type of agrometeorological service system, pays attention to the timeliness of meteorological information broadcasting, and combines short time broadcasting with rolling broadcasting. Efforts to develop new products of meteorological services, active use of the network, the construction of professional, visual and dynamic meteorological service system to help people at any time convenient to understand meteorological information. The construction of long-term service mechanism, strengthen the cooperation between town and village, ensure the accurate and timely transmission of meteorological information to farmers there, to guide farmers in agricultural production.

The relevant meteorological departments must intensify the exploration of the disaster defense mechanism, strengthen the construction of the disaster defense system, strengthen the assessment, early warning, forecast and monitoring, and make full use of the advanced science and technology, in view of the common agricultural disasters such as hail, cold freezing, floods, droughts and typhoons. Constantly develop and perfect the disaster defense information System, improve the disaster defense ability, according to the growth characteristics of crops, seasonal disaster forecast. Continuously carry on the assessment risk activity of the meteorological disaster, strengthen the investigation of the disaster, compile the disaster risk plan, strengthen the Thunder warning in the rural area, carry on the periodical inspection and maintenance to the disaster defense equipment, ensure the equipment can operate normally. Also to strengthen the artificial weather intervention efforts, improve the relevant technical systems, for example, when the drought occurs, can be artificial rainfall.

Through the analysis, there are specific reasons for the occurrence of meteorological disasters, such as natural conditions change, so as workers must understand the meteorological laws, to combine the positive monitoring of meteorological changes, to seriously carry out disaster forecasting work, in order to provide disaster warning for agricultural activities, in terms of agricultural production work, Through the scientific layout of production activities, and effectively improve the level of disaster-resistant agriculture to promote the development of high quality.

Specifically, the following two points should be done: actively carry out publicity activities to ensure that the masses can be aware of the impact of meteorological disasters on agricultural activities, to enhance public awareness of disasters, to ensure that they can truly understand the causes of meteorological disasters and their impact, to master the defensive methods, Only in this way can we ensure that the right strategies are in place when disasters occur. To enhance the working capacity of meteorological workers and disaster prevention and mitigation personnel, to enhance their awareness and level of disaster prevention, only in this way can ensure that they better carry out disaster prediction and response work, can reduce the loss caused by meteorological disasters to agriculture, and thus help the vast number of farmers to enhance economic efficiency, and better increase agricultural income.

We should actively explore and develop an agricultural insurance system suitable for our country's basic situation. The system should be based on national institutions as the leading force, while the joint social forces to maintain. As the government, it should be supported by the policy and regulation, coordinate work, perfect the insurance mode, and reasonably deal with the risks caused by the meteorological disasters to agricultural activities. In combination with the specific circumstances of the region to improve the subsidy model, to do its utmost to reduce the negative impact of disasters, to ensure that agricultural development and stability and efficiency.

The reason for all kinds of meteorological disasters is that the influence of environmental change is most serious. Therefore, in the agricultural activities must be carried out in accordance with the laws of nature, the rational use of water and land resources, and do a good job of protection activities, strengthen governance, planning agricultural activities and disaster prevention work, to prevent the disorderly activities of mankind caused by environmental degradation phenomenon.

Through the above narration, we can know that the existence of meteorological conditions will play a role in the vast number of agricultural activities, so in order to avoid the emergence of negative phenomena, we must actively improve the meteorological service system, but also to establish a comprehensive disaster response system. Through the establishment of a perfect defense system, to create a great convenience for agricultural development, to make rational use of excellent science and technology, to do a good job in personnel training, and then to promote the establishment of the meteorological system in an orderly manner, and ultimately promote agricultural progress, and promote the overall national strength.

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