I. Characteristics and popularization of summer sowing cotton The summer sowing cotton in Huang-Huai cotton district is generally selected from short-season cotton varieties. The general growth period is less than 110 days, the plant height is 70-80 cm, and the plants are compact and the fruiting b ----more
Vegetables grown in high temperature season include celery, cabbage, broccoli, broccoli, Chinese cabbage, mustard, lettuce and autumn greenhouses, and solanaceae and melons grown in greenhouses. These vegetable seedlings often cause bad seeds, rotten roots, dead seedlings, seedlings, and leggy due ----more
Lettuce is one of the main vegetables in Tonghai. It enjoys cool and cool weather, short days and wide adaptability. Its main pests and diseases are: 1. Downy Mildew: A fungal disease. The lettuce stem is parasitism. The incidence of adult plants is the most important. It mainly damages the leaves ----more
This summer is not destined to be calm. Japan's nuclear radiation crisis Yu Wei is still in, catch up with the drought in the south and different from the constant high temperature, and suddenly put the green bean drink that can prevent heatstroke and detoxification and radiation prote ----more
Hot summer weather, bees labor intensity, life expectancy is greatly reduced, bees spawning reduction, bee mortality is greater than the number of births, the group tends to decline in general trend. If the management is slightly poor, the number of bees will fall below 40%, making it impossible to ----more
Business Club May 18 News Recently, the Gansu Food and Drug Administration issued a notice to make arrangements and arrangements for the implementation of the new version of the drug GMP in the province. According to the above notification, the food and drug supervision department of Gans ----more
Characteristics and application of microporous filter element Clicks: 4461 Release time: 2011/5/20 Microporous filter element characteristics and application Microporous filter element: polypropylene film (PP) filter, PTFE membrane (PTFE) filter, cellulose acetate membrane (CN ----more