Mr. Shao from Luohe, Henan Province asked: What are the characteristics of winter wheat base fertilizer? How to use compound fertilizer? Experts: The base fertilizer of winter wheat is characterized by high phosphorus and low potassium, and organic fertilizer is advocated. Therefore, a general-pu ......
Fall is the most serious period of occurrence and harm of Bactrocera dorsalis, and it is also a critical period for prevention and control. Citrus fruit damage caused by Bactrocera can cause fruit rot, early fruit drop, resulting in serious yield loss. This year, the time of the occurrence of Bact ......
[Scientific name]Saraca dives [alias] flame flower [Department of genus] S. b Production in China, Yunnan and Guangxi. Guangzhou has cultivation. Hi warm, humid subtropical climate, not cold. It should be grown in well-drained, moist and fertile soil. Evergreen trees. About l0m high. Even-pinna ......
According to the research, the demand for nitrogen in sesame is less in the early stage and more in the middle and late stages; the demand for phosphorus is less in the early stage, more in the middle stage and more in the later stage; the demand for potassium is more in the middle and less in the ......
The spider is also known as Xiao Yu, worms, and Pan Sixian. It is full of treasure, with extremely high medicinal value and economic value. With more and more development and utilization of spiders, spiders and their series of products have been widely used in pharmaceuticals, scientific research ......
The fuel does not come and burn completely. It does not even reach the peak of combustion. The engine enters the next stroke, and the combustible mixture is discharged. The reasons for this phenomenon and the elimination methods are as follows: (1) The injection advance angle is too small. The app ......
The farming industry involves the issues of seed selection and seed retention. The breeding of earth elements is mainly the following methods: 1. Incubation method: This method of breeding is widely used. Individuals in hatchery are light in weight, have large propagation coefficient, and are easy ......
Take appropriate amount of rice (barley can also be) into the cylinder, soaked in warm water of 18 °C ~ 20 °C for 15 hours, remove and place in the container, about 5 cm thick, covered with sacks or straw. Every morning and evening, rinse with warm water at about 18°C ​​once, ......
Earthworm worms have a wide range of feeding habits, and various plant leaves, fruit skins, melon pods, and wheat bran, husks, and oil dregs are all good feeds for them. According to the different nature of feed, the feed of Earthworm can be divided into animal, plant and mineral feeds. First, an ......
Chinese alias: black wheat, small tail wheat, noise wheat It has been included in the first batch of invasive alien species in China. Latin name: Lolium temulentum L. Classification attribute: Gramineae Biological characteristics: annual or more annual herb, high 50-110 cm. Stems sparsely clus ......