Spinach disease prevention and control technology

Spinach smashing disease is easy to appear in the early spring and humidity, and the possibility of occurrence in summer heat is greatly reduced, but any disease can not be taken lightly. This article tells you the symptoms and prevention techniques of spinach rickets I hope to

Immunotherapy can't be a panacea

The emergence of immunotherapy has made lung cancer patients see new hopes, but there are also blind obedience problems. Recently, at the 14th China Lung Cancer Summit held in Guangzhou, Professor Wu Yilong, chairman of the China Society of Clinical Oncology and director of the Guang

Summer cotton boll management?

Summer is a crucial period for cotton to stand up to a high yield and shape individuals with high light efficiency. Therefore, the management of cotton fields should focus on the promotion of fast-growing cotton trees, stable structures, long health care, increased branches, increased growth and st

How to plant seedlings for small watermelons

Immersion germination: Small watermelon grains are small, seed coats are thin, and soaking time should not be too long. First scaldle with water at 55°C, keep stirring to room temperature, immerse seeds for 3 to 4 hours, isolate virus infection by soaking seeds in 100-fold solution of new high-

How to identify high production ducks

According to the economic uses, duck breeds can be divided into three types: meat type, egg type, and both meat and eggs. Egg-type ducks mainly have the following varieties: Kaki-Cambell duck, native to the United Kingdom, is a world-famous egg-type duck with wide adaptability, high egg productio

The summary of the conservation knowledge

Jacaranda is a light-receptive, strong shade-tolerant plant. The environment with high humidity and humidity can be used as a perennial "flowering" plant for various flower arrangements. It is also an excellent pot plant material. Kaesu Koji is one of the tree species that has been promo