Whether the sterilization of the medium is thorough or not directly affects the scientific research data, and there are many factors affecting the sterilization of the medium. In addition to the type and quantity of the bacteria in the medium, the length of sterili.......

The 枸杞 cleaning machine is composed of a tank body, a bracket, a mesh belt, a water tank, a floating material fishing device, a motor, a water pump, a speed reducer, etc., and is designed to clean the cognac, red glutinous rice, fresh glutino.......

The old sweet potato grower Lao Zhao, this year is a stall! Lao Zhao planted 3 acres of sweet potato, from the seedling stage to the harvest period are carefully managed, no matter from the leaves or vines look particularly good, the leaves are green and green The old Z.......

Site fertilization: Zucchini is slightly acidic soil with a suitable pH of 5.5-6.8. The squash has a strong absorption capacity, and the application of excessive nitrogen fertilizer is likely to cause the stems and leaves to grow, leading to the falling flowers and diseases, and the nitrog.......

During the autumn season, the rice is mature, and it is necessary to grasp and grab the early rice, and try to shorten the agricultural consumption period; grasp the double-season late rice (grab) and transfer it to the field management early, and take measures such as water temperature re.......

“Zhongmi No.1” netted melon is a new hybrid variety selected by the Institute of Vegetables and Flowers of the Chinese Academy of Agricultural Sciences and the Institute of Horticulture of Xinjiang Academy of Agricultural Sciences (Xinjiang Hajiu Research Center). The variety i.......

The orchid hydroponics method does not use soil or other cultivation medium, but directly soaks the roots in the water in which the culture liquid is placed. It is a new cultivation method, which changes the traditional orchid-dependent soil cultivation and rewrites the orchids. Wet argume.......

1 Develop a reasonable pruning plan to correctly judge

1.1 Judging the tree potential

The tree potential can be roughly divided into three types: Wang, Zhongyong and Weak, and each type can be subdivided into multiple trees. According to whether the growth of the fruit tree.......

Rapeseed is the main oil crop planted by farmers in the Yangtze River Valley in the province in autumn and winter. Due to the soaring purchase price in the rapeseed market this year, the enthusiasm of farmers to plant oilseed rape in autumn is also increasing. Before and after the National.......

Water control: Roots and trees

Watering is not conducive to deep roots, easy to form a "top-heavy" phenomenon. In order to cultivate strong trees and lay a foundation for later high-yield production, after the completion of the second water (warm seedling water), the wate.......

First, cover the ditch and keep the wheat field in good condition. When the seedlings are too late to open the trenches, they should open the trenches in time and combine the trenches to supplement the wheat seeds. For example, crop straw, rice bran, bran, etc. can be covered on the surfac.......