In recent years, rice direct seeding technology has been widely promoted because of its labor-saving and efficiency enhancement, especially large grain growers and professional plantation cooperatives. It has also used rice direct seeding as the main technology of rice to implement rice production. The author has been engaged in agricultural technology promotion for a long time. Recently, going to the countryside to check the growth of direct seeding rice, it was found that the following "five types" of fields are not suitable for promoting direct seeding technology: One is to set aside fields. Fields that have been abandoned for a long time have retained a large number of weed seeds in the field because of their abandoned land. After the rice is sowed, the weeds have a stronger viability and grow faster. The weeds in the seeded field are higher than the seedlings; the second is Thick grass field. Although there was no land shortage for planting in the first season, because of the previous dry farming or poor management of rice growth, the fields were overgrown with weeds, and it was not easy to remove them. These fields should be carefully promoted by direct rice seeding technology; . The cold-soaked field means that the paddy field is very cold-soaked or the field (especially in deep hills and mountains) has underground cold water overflow, resulting in a low temperature of the field. If the seeds are planted as usual, the seeds cannot emerge normally or the emergence rate is low. Class fields should also be cautious in promoting rice direct seeding technology; fourth is Wangtiantian. In the early stage of rice direct seeding, less water is needed, and in the later stage, water supply needs to be increased. Since it is Wangtiantian, the water source cannot be guaranteed, which is not conducive to the normal production of direct seeding rice. This refers to the stable fertilizer field refers to the field with unripe organic fertilizer or the field where the manure is piled up or the muddy black and fertile field behind the house, because of the unripe organic fertilizer or Excessive rotten organic fertilizer affects the emergence and growth of direct seeding of rice, and it is not appropriate to promote the direct seeding technology of rice. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Catalysts Shandong YingLang Chemical Co.,Ltd , https://www.sdylhgtrade.com