Several cold weather, severe winds, strong cooling, continuous yin, rain and snow and other severe weather occur frequently. The pest prevention and control team of the vegetable industry innovation system of Hebei Province reminded the province&#.......
When the winter arrives, when the author went to the countryside to guide the production of greenhouse vegetables, many farmers found that the fertilizers were used excessively and excessively, causing soil compaction, roots and ro.......
1. Take 2.5 kg of quicklime, 0.5 kg of stone sulfur mixture, 0.5 kg of salt, 50 g of animal oil and 9 kg of water. The quicklime and the salt are separately heated by hot water, and then the two liquids are mixed and thoroughly stirred, and then t.......
The urea ammonium nitrate solution is prepared from urea, ammonium nitrate and water. It combines three kinds of nitrogen sources and can exert various nitrogen source advantages. Production practice also proves that the effect of applying urea am.......
Doing autumn autumn pruning can improve the light transmission condition, improve the light transmittance of the canopy, make each branch evenly light, ensure the coloration of the fruit, reduce the inefficient consumption of nutrients, and promote nutrient accumulation. The autumn shears .......
Cabbage has the characteristics of low pests and diseases, high yield and stability, high quality, storage and transportation, and easy cultivation and management. In Wan'an County, the average income of vegetable farmers is nearly 8,000 yuan........
Cataract surgery does not have to wait for "cooked" to do it again
July 16, 2018 Source: China Science News Author: Zhang Siwei
Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":&quo.......In recent years, the symptoms of calcium deficiency in apples have gradually increased. The main manifestations are as follows: First, brown pitted spots with fruit points on the surface of the initial fruit appear, and the pulp ti.......