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With the continuous development of China's industry, we improve the economy at the same time, also has a certain impact on the environment, and agriculture and the environment have a direct relationship. Therefore, it is necessary to develop low-carbon economy, which is an important way to promote agriculture forward. However, there are still some problems in the development of low-carbon agriculture in China, which need people to actively study, not only need to innovate technology, but also need to improve the system. This paper first describes the content of low-carbon agriculture, and then describes the development model of lowcarbon agriculture in China, understand the problems in the development, and finally explain the development strategy, to provide reference for relevant researchers.

It was unclear whether there are discrepancies among the efficacy and safety of different doses of empagliflozin in patients with heart failure with reduced ejection fraction (HFrEF). The aim of this study was to compare the efficacy and safety of 25 mg and 10 mg of empagliflozin in HFrEF patients.In this 3-month, single-center, open-label, randomized, positive-controlled, parallel-group study, 100 patients with HFrEF were divided into two groups, namely, groups A (n = 50) and B (n = 50), which were given 25 mg/day and 10 mg/day of empagliflozin, respectively. Cardiac function indexes at baseline and at the end of the third month were compared between the two groups, as well as adverse events during the 3-month follow-up period. The primary outcome of this study was the change in the left ventricular ejection fraction (LVEF), and the secondary outcomes were the change in the left ventricular end-diastolic diameter (LVEDD) and the incidences of hypotension, acute kidney injury (AKI), and genitourinary infections.At the end of the third month, the changes in the LVEF and LVEDD were greater in group A than those in group B (P < 0.05). During the 3-month follow-up period, the differences in the incidences of hypotension, AKI, and genitourinary infections between the two groups were statistically insignificant (P > 0.05).The results from this study suggested that 25 mg of empagliflozin might be better than 10 mg in improving heart function in HFrEF patients, and the safety profiles of 25 mg and 10 mg of empagliflozin are comparable. Further studies are expected to substantiate our speculations.