In summer, greening construction happens from time to time. In order to ensure the survival of trees, appropriate technical measures must be taken. This article summarizes the technical measures of how to improve the survival rate of summer greening by di
In recent years, the symptoms of calcium deficiency in apples have gradually increased. The main manifestations are as follows: First, the brown spots on the surface of the fruit appearing on the surface of the fruit, and the pulp tissue under the epidermis becomes soft and brown. After the bag wa
In winter, the greenhouse temperature and ground temperature are low, the light is weak, the photosynthetic efficiency of summer squash is low, and the plant body nutrition accumulation is small. In addition, the function of the root system of summer squas
There are principles for watering winter shed vegetables The time for watering sunny and not overcast should be selected according to different weather conditions. Strictly follow the principle of watering on sunny days, watering less or not on cloudy days
Greenhouse crops are fertilized in low temperature seasons such as winter and early spring. The application of ammonium bicarbonate is better than the application of urea. Fast fertilizer efficiency Ammonium bicarbonate belongs to ammonium nitrogen fertili
1. Variety selection Choose varieties with tall and erect plants, compact leaf clusters, large leaves, solid, sweet quality, less fiber, strong stress resistance, wide adaptability, and late bolting in early spring, such as Jinnan Shiqin and Xiqin No. 1 et
1. Ventilation Pleurotus ostreatus is a kind of aerobic fungus. The growth and development of the fruit body must constantly absorb oxygen from the environment. If the carbon dioxide content in the air in the shed is too high, the stalk will develop quickl
1. Ventilation Pleurotus ostreatus is a kind of aerobic fungus. The growth and development of the fruit body must constantly absorb oxygen from the environment. If the carbon dioxide content in the air in the shed is too high, the stalk will develop quickl
In March 1998, at the first meeting of the Ninth National Committee of the CPPCC, 15 members of the Social Welfare Unit proposed the “About Proposal to Establish Love†in response to the fact that the incidence of deafness in China is high, the number is large, the harm is great, and
1. Garlic planting row spacing and garlic planting amount per mu Early-maturing garlic varieties, which mainly produce garlic stalks, generally have shorter plants, fewer leaves, narrow leaves, and shorter growth periods. The suitable density is 50,000 pla