The new hoe plowing and cultivating trencher is an advanced agricultural machine built upon a hanging rotary cultivator. It features plows and earth-moving mechanisms on both sides of the frame, making it highly efficient for field operations. This machine is pulled by a 50-horsepower wheeled tractor, designed specifically for use in rice fields where it performs hoeing, soil breaking, ridging, and ditching in one single pass. This fully mechanized process significantly improves efficiency and reduces labor intensity. The machine was recently deployed in a large-scale green vegetable base covering ten thousand mu in Dingtang Township, Xiangshan County. The cost per mu for land preparation using this machine is 55 yuan, with each operation costing around 30 yuan. In contrast, traditional farming methods can cost between 100 to 120 yuan per acre, meaning farmers can save approximately 50% on their cultivation costs. Through repeated trials, the machine has proven its effectiveness with the following performance metrics: 1. Ridge width ranges from 1.9 to 2 meters, with a cultivation depth of 10 to 16 cm. 2. The central ridge is slightly lower than the sides, creating a 5 cm height difference that enhances drainage. 3. The open ditch is 35 to 38 cm wide and 25 to 30 cm deep, with the excavated soil automatically crushed and placed on the ridge without affecting adjacent crops. 4. It can till 4 to 6 acres per hour, making it highly efficient for large-scale farming. Due to its high efficiency, quality performance, and cost-effectiveness, the machine has been widely accepted by local farmers. As one of the county's leading industries, vegetable exports have seen significant growth, and the Xiangshan County Agricultural Machinery Bureau has played a key role in supporting this sector. Research and development of this equipment began in 2000, and it received a national practical patent in 2002. After extensive testing in the 10,000-mu green vegetable base in Dingtang Town, the machine has undergone several improvements and is now being promoted more widely across the region. Its success highlights the importance of innovation in modern agriculture and its positive impact on farmers' livelihoods.

what is natural food color?

Natural food coloring refers to pigments extracted or prepared from plants, animals, microorganisms or other natural sources for coloring food. These pigments are naturally produced due to biochemical reactions in living organisms and do not contain synthetic chemical components.
Natural food colors can be divided into the following categories according to their source:
1. Plant pigments: This is the most common source of natural food pigments, including pigments derived from a variety of fruits, vegetables, flowers, and plant roots. For example, red beets can provide red pigments, carrots can provide orange pigments, turmeric can provide yellow pigments, and blueberries and purple potatoes can provide purple and blue pigments.
2. Animal pigments: These pigments are rare and usually come from the tissues or excretions of certain animals. For example, cochineal is a red pigment derived from the cochineal insects that live on certain cacti.
3. Microbial pigments: Some microorganisms, such as monascus, can produce specific pigments, such as monascus red pigments.
4. Mineral pigments: Although less used, certain inorganic minerals can also be used as natural food pigments, such as titanium dioxide (white) and iron oxide (red, yellow and black). However, due to possible toxicity issues with some mineral pigments, their use is often severely restricted or banned.
Natural food colors are generally considered safer and healthier than synthetic colors due to their nature. However, their color stability, heat resistance, light resistance, and interaction with other food ingredients may not be as good as synthetic pigments, so their application in the food industry sometimes presents some challenges. At the same time, the extraction and processing of natural pigments can also affect their cost and sustainability. Nevertheless, as consumer concerns about food safety and health increase, the demand for natural food coloring is growing.

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