This is a typical symptom of toxic gas poisoning. Causes 1. Use plastic films containing chlorine and other harmful additives (new awnings or new shed films have occurred). When the light temperature is high, harmful substances that are volatilized combine with the moisture in the air to form ac

After the transplanting is completed and the rice transplanter is not used for a long period of time, the maintenance of the machine is very important for extending the service life of the rice transplanter and maintaining the good state of the rice transplanter. First, clean the soil on the rice t

In winter, the temperature is low and the ability of microbial activity is weakened. The fertilizers that need to be converted have a slow effect. The growth of vegetables in winter requires sufficient fertilizer. The solution to this contradiction is to chase the available fertilizer. Nitrogen fe

April year-on-year % USD/ton year-to-date year-on-year % import: Rapeseed 287,244 253.78 652.58 1,064,759 308.8 Country of Origin Canada 286,848 253.29 653 1,062,752 308.03 Mongolia 396-350 2,007- Rapeseed oil cakes 67,060-63.72 272.59 181,063-68.91 Country of Origin Canada 53,403-16

First, the ecological habits of Anoectochilus: (1) The suitable temperature for temperature growth is 20-32°C. Anoectochilus has a good adaptability to temperature. During the cultivation process, the temperature of 0-5°C for 30 days in a greenhouse covered no significant damage to Anoectoc

The viticulture techniques mainly include: 1, planting density. In order to increase the output of the second year and increase the planting efficiency, it is advisable to cultivate the fence and increase planting density appropriately. In particular, encrypt the spacing between the plants. Plant

The kidney beans, also known as navy beans, are used for their delicious taste. Autumn sowing season beans due to short growth period, generally planted until tender and tender harvesting about 50 days, good quality, as long as the proper management, generally up to 1500 kilograms per mu output up