1. Seedling management: (before emergence - before jointing) 4-5 fully expanded leaves or 7-8 visible leaves. The leaves are dark green and the leaves are thick and thick. These should be: (1) Seedlings: keep the soil wet and dry, soil moisture accounts for 60% of the field water holding c.......
Do you often see the winding road on some of the blades, at first glance like the kind of "ghost character", with a little artistic charm! Take a closer look, then kill the dead! There is a kind of pest hidden in the original roa.......
Release date: 2017-11-06
Biogen will present new data from the company's research-based therapy aducanumab in the Phase 1b long-term extens.......
Citrus resin disease, also known as fluid gum disease, mainly damages trunks, branches, leaves and fruits. In the autumn and winter, after fruit picking, prevention and treatment, removal of lesions, eradication of pathogens, the second year of high temperature and rainy season, the incide.......
Literature review
1. "Tang Materia Medica": It is advisable to use thyself alone for therapeutic purposes, and it is advisable to use thyself in water.
2. "Medical Qiyuan": Liveli.......
Because the family conditions are limited, Wang Changhai, who was born in the countryside, dropped out of school after he finished junior high school. His younger brother is still young. The family's labor force is only two parents, so Wang Changhai does his homewor.......
The current stage is the high incidence of corn leaf spot disease, and the following prevention and control work should be done:
(1) Planting varieties of disease-resistant varieties with high disease resistance.
(2) Clear the.......
Sweet potatoes are very important ingredients in northern China. The sweet potato is cut into strips and dried to make dried sweet potatoes. It is a very delicious food. It is also popular to bake sweet potatoes. It is also very delicious. Most of the sweet potato weeds belong to the quail.......
Tianyang Xiangmang is produced in Tianyang, Guangxi. Xiangmang is orange in color, thin and thin, juicy and sweet. It is the best in fruit. Mango tree is full of treasure. The fruit is rich in nutrients, containing protein, fat, sugar, carbohydrates and vitamins A,.......