The phenomenon of citrus cracking in Xiushan, Chongqing and its control measures

Citrus fruit cracking is a common physiological disorder that leads to premature fruit drop and significantly affects crop yield. This year, due to an unusually severe drought in our county, the prolonged dry weather has caused a much worse cracking problem than usual. The condition is particularly severe in varieties such as navel oranges, sweet oranges, Wenzhou oranges, and grapefruits, which has had a significant impact on the overall citrus production. To help farmers maintain their income and reduce the damage caused by fruit cracking, it is essential to implement a combination of effective agricultural practices. First, selecting appropriate citrus varieties plays a key role. Opting for early- or late-maturing types can help avoid periods of high temperature and drought during the critical fruit development stage, thereby reducing the risk of cracking and fruit loss. Second, improving orchard management is crucial. Deep plowing, regular soil cultivation in both winter and summer, timely irrigation, and balanced fertilization are all important steps to enhance soil fertility and strengthen tree health, which in turn helps prevent fruit cracking. Third, before cultivating the topsoil, covering it with weeds and green manure can help regulate soil temperature, retain moisture, and prevent soil from drying out. It also suppresses weed growth, enriches the soil, and improves water and nutrient retention. Fourth, proper fertilization is essential. For orchards that have experienced heavy fruiting and significant cracking in previous years, it is advisable to apply more nitrogen and potassium while reducing phosphorus use during the fruiting period. This helps improve tree vigor and strengthen the fruit's peel. Additionally, applying a 1%-2% solution of turfgrass extract every 10-15 days can enhance peel thickness and toughness, further reducing fruit cracking and drop. Fifth, using growth regulators such as "1992" or paclobutrazol can effectively reduce fruit cracking and drop caused by extreme heat and drought stress. Lastly, pruning and bud removal are important practices. Removing unwanted new shoots, especially summer growth, and trimming dense or weak branches can reduce water and nutrient consumption, ultimately decreasing the number of cracked and dropped fruits. By implementing these comprehensive measures, farmers can better manage citrus fruit cracking and ensure more stable and profitable harvests.

Laxative Powder

What are the plant laxative powders

Botanical laxative powders are made from plant extracts that have the ability to promote bowel movements. These plant extracts may contain various natural ingredients such as leaves, roots, seeds or fruits. Based on their botanical composition and mechanism of action, plant-based laxative powders can be categorized into the following groups:

Red Pepper Extract Capsaicin, Natural Guarana Extract Powder, Red Pepper Extract, Senna Leaf Extract, Ume Extract, Plantain Extract, and so on.

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