Xinhui Chenpi enjoys an international reputation and is well-known in the world for its excellent quality. After the approval of the GI products in 2006, a local citrus boom was launched. Under the continuous influence of the brand effect of Xinhui Chenpi, the planting scale of Xinhui Orange continued to expand. However, the long-term cultivation of the new citrus industry is facing many problems - soil compaction, decreased fertility, frequent pests and diseases, especially the potential threat of Huanglong disease.
On October 20th, Nanfang Rural Newspaper and Guangdong Runtian Fertilizer Co., Ltd. hosted the Sanfang Liangdefeng Agricultural Resources Service Department of Xinhui District and the Xinhui Chenpi Industry Association to co-organize the Southern Rural Newspaper Science and Technology to get through the Jiangmen New Club. It attracted more than 250 large planting farmers.
Aiming at Huanglong disease, which is of particular concern to fruit farmers, Ma Peiqi, a researcher at the Institute of Fruit Research, Guangdong Academy of Agricultural Sciences, pointed out that it is necessary to prevent the use of non-toxic seedlings from the introduction of the seedlings. In addition, we must pay attention to the following aspects of work including isolation planting or slab transformation; eliminate the media to kill hibiscus; cultivate robust fruit trees to improve disease resistance; resolutely dig diseased trees in time for harmless treatment.
The nutrition and fertilization problems common in the cultivation management of Xinhui oranges, Ma Peiqi said that the ratio of nitrogen, phosphorus and potassium demand of Xinhui orange is about 1:0.2-0.4:0.7-1 years, fertilization 4-5 times respectively. Fertilizer, Xiehua small fruit fertilizer, autumn shoot fertilizer, flower bud differentiation fertilizer and pre-harvest (post) fertilizer.
The sustainable use of soil is particularly important for the yield and quality of citrus fruit. This requires the farmers to rationally apply fertilizer to improve the soil environment. Jian Junzhang, Technical Specialist of Guangdong Runtian Fertilizer Co., Ltd. introduced the use of organic fertilizer to loosen the soil to prevent soil compaction and increase the quality of crops and improve quality. Runtian Bio-organic Fertilizer is based on Wenshi Group's high-quality chicken manure as the main raw material. It is rich in various beneficial microorganisms and nutrients by high-temperature fermentation and harmless treatment by modern microbial fermentation technology.
At the meeting, Guangdong Runtian Fertilizer Co., Ltd. also joined the Sanjiang Liangdefeng Agricultural Resources Service Department of Xinhui District, Hubei Xinyangfeng Fertilizer Co., Ltd., Hubei Saning Chemical Co., Ltd. and Guangzhou Shenbao Agricultural Resources Co., Ltd. To order a discount in just 20 minutes, the farmer ordered 1,500 tons of fertilizer on site.
Essential points of fertilization in Xinhui
- Spring-top fertilizer: The main effect of nitrogen fertilizer is to see bud fertilization.
- Xiehua small fruit fertilizer: the compound fertilizer is the main potassium content.
- Autumn-tip fertilizer: The focus of one-year fertilization accounts for 30% to 40% of the year, with quick-acting nitrogen fertilizer and organic fertilizer applied 10-20 days before the shoot.
- Flower bud differentiation fertilizer: Organic fertilizer and compound fertilizer were mainly applied before flower bud differentiation in November.
- Pre-harvest (post-harvest) fertilizer: Apply a quick-acting nitrogen fertilizer before and after fruit picking, especially the old weak trees and more citrus trees. (Li Zhenwei)
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