In order to standardize the pollination technology of watermelon bees in greenhouses, the Economic Crops Research Institute of Hebei Academy of Agriculture and Forestry Sciences drafted this procedure. This standard specifies the bee colony preparation, facilities and environmental requirement…

First, control the temperature of the large arch shed cultivation of spring eggplant, after the establishment of the eggplant seedlings until the slow seedlings, to close the shed insulation, try to…

The solar greenhouse can only be used as an ope…

It is a habit to apply fertilizers with the dit…

In the fall, the lighting time is shortened, and the temperature and light in the greenhouse cannot meet the normal growth needs of the shed. In the event of disaster weather, low temperature and low temperature, sudden drop in ground temperature, roots are inhibited, the vegetative growth pot…

Release date: 2016-01-08

As the most common component of the mobile Internet era, APP not …

On March 21, the maintenance of Apple's official online store ended, and a wave of new products was announced as we expected. Without a press conference, you naturally can't see new heavy p…

Humic acid

Humic acid is the remains of plants and animals (mainly the remains of plants) that have been decomposed and transformed by microorganisms, as well as a series of complex geochemical reactions and accumulated organic substances. The main elements of humic acid are carbon, hydrog…

Release date: 2017-03-20

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For many years, most of the farmers planted pep…

The time of occurrence distinguishes the basic conditions of the flow of kiwifruit. The daily average temperature is close to 10°C and the tree is germinating. However, ulcer disease begins to expand in the spring when the average temperature is around 0°C. In the general case, the u…