This new technology was listed as a key agricultural technology promotion project by the Agricultural Department of Hebei Province in 2002. The technology is used to sow summer corn directly on the covered land without using tillage after wheat is harvested in wheat and corn flat areas. It.......

I. Management before and after planting
1. The basic work before planting trees should be done well. The earth ball excavated must be firmly tied with ropes, covered with canvas windproof during transportation, and the root system of the tree must be trimmed. Dig a tree hole according.......

Appropriate application of grain fertilizer in late stage, adjustment of water content, and application of boron fertilizer are beneficial to high yield and stable yield.

Supplementary grain fertilizer grain fertilizer is usually sprayed with foliar fertilizer, spraying 2 to 3 time.......

Mexican scientists have developed a genetically modified corn that can produce an edible vaccine for the prevention of Newcastle disease. Newcastle disease is a major killer of poultry in developing countries.

The researchers published their research results on the website of the &.......

When the continuous high temperature and dry weather began to appear in Hubei Province, it adversely affected the citrus production. The main manifestations were citrus roots, reduced or even branches, dead seedlings, sunburn hazards, fruit cracking and fruit failure, and pest infestation........