Alkali water soaking method will soak fruits and vegetables in edible alkaline water for 5 to 15 minutes, which can remove organic phosphorus pesticides contained on the surface of fruits and vegetables. However, after soaking, pay attention to wash alkaline water. The oxygen stored in the air has ......
Kit instruction manual This kit is for research use only. examination range: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ......
One, human fecal urine added superphosphate per kilogram of human fecal urine by adding 2.5 kilograms of superphosphate stir, can be very easily volatile ammonium carbonate in human excrement into a stable ammonium phosphate, thus preventing nitrogen loss, And increase the phosphorus in human excre ......
Misunderstanding 1: "Three fine waters" is a harmful drink “Three essences†refers to beverages made with saccharine, flavors and colorings, because they not only do not have any nutrients, and they can also cause chronic harm to humans when they are regularly consumed. Chin ......
To seize the key period of prevention and control of rice, panicle rot, rice, panicle neck rot, commonly known as the old broken neck, once the endangerment of the epidemic, will cause significant reduction in rice production or harvest. Since the rice varieties planted in Yuanjiang County are gene ......
To increase the application of organic fertilizer in the rice-wheat rotation area, it is necessary to actively promote the return of various forms of straw to the field. The amount of straw returned per mu shall be at least 150 kg, and the full or half amount of rice straw shall be returned to the ......
First, pest control can not do group defense group governance: At present, most of the jujube farmers are still fighting for pest control, which leaves the opportunity for pest damage. Therefore, prevention and control of pests and diseases should be organized by grass-roots governments, associati ......
1. Selection of land, site preparation, and sowing: Choose land that is loose, fertile, and well-drained. Soil fertilization, selection of fine varieties, cutting into small plots, planting and applying base fertilizers, and irrigating the soil, then spraying the surface of the new high-fat membra ......
The choice of afforestation sites should be at an altitude of 2,000 to 2,800 meters. The slope is gentle, and the slopes are mainly shaded and half shady, and the soil is better grown on soils with deep, moist, loose and slightly acidic soils. The detailed site preparation time is 3 months to 4 mo ......
Overhauling pig houses in winter invading pigs in a pig house can cause pig colds and pneumonia. Therefore, the piggery should be built on the terrain of high dryness, sunny place, timely repair of the roof and the gap between the four walls, windows and ventilation holes should be more than 1 to 1 ......