"The different nutrient supply of the same crop, the difference between yield and quality will be very large. The precise fertilization of water and fertilizer integration is to make the crop just enough to be full and not wasteful under the premise of low cost and high efficiency." Huanongda Plant Nutrition Expert Li Zhonghua summarized the technical advantages of water and fertilizer integration to the participants. In order to increase the promotion of water and fertilizer integration technology, on September 2, Dongguan Agricultural Technology Office held a water and fertilizer integration technology training exchange meeting in Dongkeng Yipinyuan Farm. About 40 people from family farmers, professional big households and agricultural technicians from 8 towns and streets around Dongkeng, Qiaotou and Chashan participated in the study and exchange.
Water and fertilizer integration allows crops to just “eatâ€
Teacher Li Zhonghua gave a detailed account of the principles and pathways of nutrient absorption by plants, as well as the effects of water and fertilizer integration and common fertilization. He pointed out that water and fertilizer integration technology has the characteristics of water saving, labor saving and high efficiency, and can be easily formulated and fertilized to effectively improve the yield and quality of agricultural products. In practice, the water-soluble fertilizer is dissolved in the irrigation water and piped to the root zone of each crop in the field by means of a pressure system, and irrigation and fertilization can be carried out simultaneously.
Teacher Li said that compared with traditional fertilization, the outstanding advantage of water and fertilizer integration lies in the controllable pipeline system. The user can mix and supply the fertilizer according to the needs of the crop, and can supply the fertilizer to the crop at any time and at any time, which is convenient and efficient.
When using it, he suggested that the farmer adopt a “small number of times†fertilization method to keep the crop in a state of “satisfyingâ€. "Crops 'hungry' will of course be grown due to lack of nutrition, but it has not been good to have 'fullness', causing waste. The enrichment of soil nutrients will cause the surrounding weeds to grow wild. Weeds can not use herbicides in crops. The cost of manual weeding can be imagined." Teacher Li explained.
An easy way to measure soil nutrients
How to avoid insufficient water or excessive irrigation? In the field exchange, Li Zhonghua demonstrated the simple soil measurement method using soil EC meter. “In the beginning, the soil EC value was 0.3, indicating that the nutrient was insufficient. We added some water-soluble fertilizer, and now it changes to 1.6, which is within the normal range.†“Measure the value with the soil EC meter, and also need to cooperate with the EC of various crops. Comparison of the value tables, because the soil nutrients required for different crops are different," added Teacher Li.
In addition, Teacher Li and the technician also explained the precautions for the use of water and fertilizer integrated equipment and the rational use of water-soluble fertilizer, and answered the technical questions of the students on the spot. The technician of the Municipal Agricultural Technology Office said that in the form of organizing training, special lectures, and on-site observation, Dongguan has been striving to promote water and fertilizer integration technology in recent years, and new agricultural operators such as family farmers and large professional households are willing to accept and apply new technologies. It is the main force of promotion.
This article URL: What are the benefits of water and fertilizer integration for crops? A simple way to measure soil nutrients
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