Early autumn orchards weigh heavily in management and promote harvest
In the early fall season, fruit trees have entered the peak of growth. This period is also an important stage in pre-harvest management. If farmers can seize this opportunity to strengthen the management of the orchard, it can ensure that this year's apple production is harvested again. Recently, the reporter interviewed Han Mingyu, a professor at the College of Horticulture, Northwest Agriculture and Forestry University. He said that at this time, it is necessary to strengthen the supply of nutrients and control the long autumn shoots, adopt various pruning measures to ensure the normal growth of the leaves, promote rapid fruit enlargement, and promote flower buds. To prevent pre-harvest fruit drop of medium-maturing varieties, and to strengthen the control of pests and diseases.
Enhancing nutrient supply Han Mingyu said that fruit trees have lost a lot of tree nutrients as a result, especially in apple orchards where there are yellow leaves, uneven leaves, improperly colored leaves, falling yellow leaves, and foliar edges. Farmers can use leaf spray, topdressing, tree trunk fertilizer to supplement fruit tree nutrition.
Tree vigor regulates fruit trees that have a moderate tree vigor and fruit loss. Spraying growth regulators, controlling the growth of new shoots, and promoting fruit enlargement and coloring. Han Mingyu reminded that the spraying effect will be better after 4 pm.
The autumn pruning fruit tree is the focus of the pruning work in the Qing Dynasty. It cuts out the leggy branches in the tree branches and the long strips at the saw cut. At the same time, the fruitless branches that affect the ventilation and light transmission of the tree are removed or retracted. The invalid branches that are too dense in the lower part of the canopy must be removed.
Strengthen the prevention and control of pests and diseases to control early defoliation. In case of bad weather spraying, but the bacteria infection is rapid, available fast-acting pesticides. After spraying, as long as the agent can dry and absorb on the leaves, it can play a very good bactericidal effect. Han Mingyu told reporters that such drugs can be used quickly, but the efficacy is about 7 days after sunny days
Spray long-acting agents, such as bacteria off, stand sterilization, polyoxins and other pollution-free pesticides.
Pay attention to flood prevention and weeding years. After raining, drain water in time. Black clay orchards should pay attention to soil planning. Han Mingyu suggested that many orchards of weeds should be weeded in time, and they can cut green manure, and weeding can be done with chemical herbicides to kill weeds.
Corn is a good choice for consumption during weight loss because of its high available energy. The metabolic energy of maize is 14.06 MJ/kg, with the highest being 15.06 MJ/kg, the highest of the cereal feeds. This is mainly due to the fact that there is very little crude fibre in maize, only 2%, while the nitrogen-free leachate is up to 72% and the digestibility is up to 90%; on the one hand, maize has a high crude fat content, between 3.5% and 4.5%.
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