1 Variety selection: Choose varieties with strong cold resistance, disease resistance and strong adaptability, such as the emperor, Salinas, and Great Lakes 659. The nursery should choose fertile sandy loam with strong water retention and fertility. 2 Seedling preparation: As the seeds of lettuce
The best time and method of sesame topdressing Seedling stage: Because the nitrogen fertilizer at the bottom is too easy to make the seedlings grow and form high seedlings, the sesame seedling period generally only uses part of the nitrogen fertilizer as
New male contraceptives: reduce sperm without inhibiting sexual desire March 29, 2019 Source: Sina Technology Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":&q
In addition to abundant nitrogen, phosphorus and potassium, biogas fertilizer also contains trace elements that play an important role in the growth of crops, as well as a large amount of organic matter, amino acids and vitamins. The application of biogas
The high-mixer is a kind of strong powder machine. As a gravity-free mixer, it is also called a double-shaft paddle mixer, a horizontal gravity-free mixer, etc., and the two mixing shafts in the horizontal cylinder rotate at the same speed. , stirring. An atomizing noz
Regulators are used to regulate the flow, pressure and level of the media. According to the adjustment part signal, the opening of the valve is automatically controlled to achieve the adjustment of the medium flow, pressure and liquid level. The regulating valve is divided
Artificial coloring of apples has the advantages of less labor, simple method, and improved fruit grade. The specific coloring method is: choose a spacious, airy, flat place, spread 3~3.5 cm thick sand, and the sand surface should be flat. The uncolored apple fruit is topped up, the fruit stalk is
China University of Science and Technology progresses in the study of animal long-chain non-coding RNA January 16, 2019 Source: University of Science and Technology of China Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini"
The characteristics of the pollution-free characteristics of amaranth are more developed, the roots of the amaranth are more developed, and the roots are weaker and white, which is not suitable for transplanting. During the vegetative growth period, the s
First, the nutritional value of musk Musk is a high-calcium, high-carotene food, containing 72g of water per 100g of young leaves, 8.6g of protein, 1.7g of fat, 10g of carbohydrate, 6.38mg of carotene, 0.1mg of vitamin B1, 20.38mg of vitamin B, 1.2mg of
Potted pineapple cultivation method The first step: Choose healthy pineapple, because the pineapple is stored for some time, some leaves are withered, so if you plan to pot pineapple, you must buy fresh pineapple leaves, such as the leaves of the white powder are still, Green leaves, etc., in ord