A good soil environment and adequate water and fertilizer supply are the basis for ensuring the healthy and well-developed roots of fruit trees and the normal growth of flower and fruit branches. To increase the flowers and fruits of the apple orchard, in spring, it is necessary to strengthen the water and fertilizer management, soil conditioning, and soil moisture preservation of the fruit trees, so as to loosen and activate the soil layer, optimize the soil aggregate structure, and create for the fruit trees on the basis of adequate supply of water and fertilizer. Excellent growth conditions.
Water and fertilizer management
Spring is an important period for apple trees to sprout, shoot, bloom and set fruits. At this time, vegetative growth and reproductive growth are carried out at the same time. The fruit trees have strong vitality and vigorous growth, and they have a large demand for nutrients. After a winter of consumption, the nutrient content in the soil is relatively small, so it should be topdressed and watered in time. In terms of fertilization management, before the apple tree sprouts and after the soil is frozen, fully decomposed organic fertilizer, farmyard manure or biological bacterial fertilizer should be added as much as possible, with appropriate amounts of quick-acting nitrogen, phosphorus and potassium fertilizers, and attention should be paid to supplementing iron, calcium, boron, and zinc. And other medium and trace elements.
In watering management, it can be combined with spring fertilization. Spring droughts and water shortages are common in many places in spring. After fertilization, water should be promptly watered. For plots with poor moisture content and insufficient water in the garden, it should be watered once after the ground is thawed and before the apple trees sprout. It is better to drench 60 to 70 cm under the topsoil, so as to increase the moisture content of the soil and meet the water demand of fruit trees for budding and flowering.
Soil management
The level of soil quality directly affects the development of the root system of fruit trees, especially in gardens that use a large amount of chemical fertilizers all the year round. The soil is generally acidified and compacted, and the number and activity of beneficial microorganisms are low, which can easily lead to poor root development and absorption capacity of fruit trees. Decrease and the occurrence of yellowing, small leaves, falling flowers and fruit and other problems in fruit trees.
In terms of soil management, in spring, lime spreading in the garden, shallow turning trays (about 15 cm), and deep turning tree rows (about 30 cm) can be used to adjust soil pH, loosen and activate soil properties and structure, and give apple tree roots. Provide a better soil environment.
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For the most common waxy and sweet corn on the market, waxy corn has a higher nutrient content than regular corn, containing 70-75% starch (and almost all straight-chain starch), more than 10% protein, 4-5% fat and 2% multivitamins, with more grains, VA, VB1 and VB2 in protein than rice, with the highest fat and VB2 content. Yellow maize also contains carotenoids, such as rice and wheat. The molecular weight of waxy maize starch is more than 10 times smaller than that of ordinary maize, and the starch makes glutinous rice sticky and soft, softer than ordinary hard maize. It is more than 20% more digestible to eat than regular maize and it is suitable for people with less than perfect teeth. At the same time, it is not suitable for diabetics because of the very high content of straight-chain starch (a polysaccharide).
Waxy maize is also known as sticky maize. The grain has coarse, waxy endosperm, similar to shiny, glassy (clear) grains such as hard and dent maize. Its chemical and physical characteristics are controlled by a recessive gene, which is located on chromosome 9. 100% of the starch in the endosperm is straight-chain starch.
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