¿Alto consumo de energía? ¿Contaminación ambiental? La energía solar ayuda a la producción agrícola

autor: Sunpro Power Marketing

2023-04-20

Grain Rain, taken from the meaning of "rain produces a hundred grains", the most important feature is the continuous spring rain. Rain produces hundreds of grains, which reflects the agricultural climate significance of "Grain Rain", which is the reflection of ancient farming culture on festivals.

China is the world's largest grain producer and the third largest grain exporter. Although China is a large agricultural production country and its experience in agricultural development is worth learning from other developing countries, it also has a huge demand for imports. As a major agricultural exporter, Brazil has always hoped to deepen cooperation with China in the agricultural field to promote the export of agricultural products.

Brazilian President Lula Leads a Luxury Delegation to Visit China

The Brazilian President's Office stated on March 31 that Lula will schedule his visit to China from April 11 to 14. This is his third state visit to China and his fifth visit to China. Previously, foreign media reported that Lula led a huge delegation of nearly 300 people during his visit to China. Before Lula's special plane departed, hundreds of representatives of Brazilian agricultural enterprises had arrived in Beijing in advance, hoping to strengthen cooperation with China in the field of agricultural trade as soon as possible.

Multi-field cooperation, China-Pakistan trade will reach a new level

China is Brazil's largest trading partner, with bilateral trade reaching US$152.6 billion last year. Brazilian news website "Poder360" said on the 11th that Lula regarded this trip to China as the most important visit at the beginning of his third term. The two countries will sign more than 20 agreements and memorandums of understanding. Lula's visit to China will also discuss joining the joint construction of the "Belt and Road" initiative. Of course, Lula's visit to China this time will not only focus on the field of agricultural trade, but will also cover semiconductors, infrastructure and other fields.

At present, the cooperation between China and Pakistan is mainly in the fields of agriculture, crude oil and mining. In the future, the two countries will expand from traditional trade to emerging trade (high-tech, green economy, digital economy, etc.).

The production structure of agriculture includes planting, forestry, animal husbandry, fishery and sideline; however, planting has been the mainstay for thousands of years. As a new form of agriculture, photovoltaic agriculture can not only improve the efficiency of agricultural production, but also reduce the cost of agricultural production and energy consumption through the application in agricultural production.

Farm production:

Thanks to its unique geographical location, Brazil is one of the few countries in the world suitable for the comprehensive development of agriculture, forestry, animal husbandry and fishery. This country, known as "the world's granary in the 21st century", can almost be called "the The chosen place".

In recent years, with the rapid development of Brazil's agricultural modernization, the demand for agricultural power in Brazil has surged. Affected by the drought in Brazil, local hydro-power production has dropped sharply. In addition, with the increasing emphasis on environmental protection worldwide, the construction of hydroelectric power stations in Brazil is also in trouble. So far, an energy "change movement" has quietly emerged. Among them, photovoltaic energy is very popular in the Brazilian market due to the abundant local solar energy resources.

In order to solve the power problem of agricultural irrigation, farmers began to use photovoltaic power generation, installed photovoltaic panels on the farm, and used inverters to convert solar energy resources into green and clean power to meet farm production and daily household electricity consumption need. Surplus electricity can also bring additional income to farmers.

Source: KE Keri Photovoltaic Network

Pasture farming:

The University of Minnesota West Campus Research and Extension Center (WCROC) has a ranch with 275 lactating cows that are milked twice a day. In the summer of 2018, WCROC Ranch installed a 30kW surface solar system, which was installed 35° south and 8-10 feet (about 2.4-3.0m) above the ground.

Source: Baijiahao

The team conducted a study on the impact of shade provided by ground-mounted solar systems on cows. The study was conducted between June 2019 and September 2019, and 24 crossbreed cows were divided into two groups, one with solar panel shade and the other without any shade.

The shaded cows had less high activity levels than the unshaded cows because they stood under the solar panels during the hotter part of the day. There was no significant difference in water intake between the two groups of cows, and their respiratory rates were similar during the morning hours. But in the afternoon, the shaded cows had a lower respiratory rate (66 breaths/min) than the unshaded cows (78 breaths/min).

From 1 p.m. to 12 a.m, the internal body temperature of unshaded cows was higher than that of shaded cows (>1°F). Likewise, the results were similar during the milking period (10 a.m. - 8 p.m).

The average body temperature of dairy cows

Research has shown that surface-mounted solar systems can be an acceptable means of cooling grazing cows while generating electricity and reducing the carbon footprint of the ranch.

Fish farming:

On December 6, 22, the floating photovoltaic project jointly built by China and Thailand was connected to the grid. This is currently the largest floating photovoltaic power generation project in Thailand, with an area of 300,000 square meters and an annual power generation capacity of 95 million kWh.

In October 2021, the floating photovoltaic project built by China and Thailand at the Sirindhorn Dam Hydropower Station will be put into commercial operation. The installed capacity of the entire project will reach 58.5MW, which can reduce carbon dioxide emissions by 47,000 tons per year and help Thailand reduce the demand for highly polluting thermal power generation. Dependence, to achieve the goal of increasing the proportion of renewable energy to 35% by 2037.

Floating photovoltaic projects have their own advantages. They can use existing reservoirs, lakes, and seas without occupying agricultural land. It can be cultured underwater, improve the efficiency and output of aquaculture, and can also provide the energy required for heat preservation and cleaning for aquatic products, bringing more benefits.

Source: Xinhua News Agency

Desert Ranch:

China Qinghai Province has a large area deeply affected by the Gobi Desert. However, what people did not expect was that Tala Beach, the most desolate and arid place in Qinghai Province ten years ago, turned from a desert to a green one because of a power generation project. Grassy pasture.

The vast uninhabited land, the flat desert, and the sun is almost every day 365 days a year. The scorching sun scorched the earth, resulting in the barrenness of Tara Beach. At the same time, scientists discovered the potential of "photovoltaic power generation" in this barren land.

After some investigations, the photovoltaic power generation research team proposed a plan to build a "photovoltaic power plant" in Tala Beach, Qinghai. After many discussions and demonstrations, the experts agreed that Talatan has the conditions to build a large-scale photovoltaic power station. So starting in 2012, China approved the project of building a super photovoltaic power plant in Tala Beach.

With the erection of solar power panels one after another on Tara Beach, the power panels are covered with dry land, followed by more and more lush grass. Now, Tala Beach is not as barren as it was ten years ago. Solar panels are neatly arranged on the grassland, and herdsmen drive their cattle and sheep leisurely to eat fertile pasture between the solar panels.

Source: Sohu

The application of photovoltaic agricultural technology has brought many conveniences and advantages to agricultural production, and has an important role in promoting the sustainable development of agriculture in the future.

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