Select high-yield and excellent varieties. Select suitable varieties for selenium-enriched corn cultivation according to the actual situation, and select varieties with disease resistance, high yield, high crude starch content in the grain, and selenium-en
Ready to work Choose flower-picking varieties and plants Choose varieties with strong affinity with the main planting varieties as flower-picking pollinating varieties; the amount of flowers in the plant should be large, which does not affect its own yie
Most apple-producing areas in my country have the problem of uneven annual precipitation in spring, drought, and autumn floods. How to make full use of autumn precipitation for fruit trees in spring, while avoiding excessive precipitation from adversely af
Beans have strong adaptability. They can be cultivated in open field or protected land. They can also be produced on an annual basis and listed in the four seasons. It is one of the popular vegetables widely cultivated in northern China, and its popularit
Wheat kernels culture medium Soak the wheat kernels in warm water for 2 hours, remove them and put them in a bamboo sieve, and pour them with clean water every 4 hours. After about 24 hours, when the wheat grains sprout 0.50 cm long small buds, put them in
1. The broken root cannot be repaired When applying base fertilizer in spring, the base fertilizer is mainly organic fertilizer, formula fertilizer and silicon-calcium-magnesium. These are basically solid fertilizers. The application of solid fertilizer re
Spring has a mild climate and appropriate rain, which is a very suitable season for the growth of flowers. The majority of florists must master the cultivation techniques and management of spring flowers. Cultivate new strains Common petunia, cosmos, ornam
Affected by the low temperature in winter, some fertilizers are more suitable for application, while some fertilizers are not suitable. It is suitable to apply ammonium bicarbonate in winter. The temperature is low and ammonium bicarbonate is not easy to v
If the seeds are infested with insects, measures should be taken as soon as possible, and the insects should be controlled according to the principle of "safe, economic and effective" to minimize the loss. The commonly used methods of controlling
As the temperature gradually rises, the number of edible fungi on the vegetable market is decreasing, and the production of high-temperature oyster mushrooms can make up for this deficiency. Variety selection The main characteristic of high-temperature oys
New anti-allergic cells June 26, 2019 Source: Journal of Experimental Medicine Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":
Vegetables are planted after the Spring Festival. Because the weather is still very cold during this period of time, the temperature in the shed is low, and the humidity is high. Vegetable seedlings that have just been planted often grow poorly and have ma