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What are the practical measures to increase the fruit set rate of walnut?
Because of the site conditions where the walnut is located and its own biological characteristics, as well as low tree nutrient levels, improperly arranged pollinizer cultivars, or lack of pollinizer trees, extensive management, poor flower bud differentiation, and severe pests and diseases, the fruit set rate can be reduced. 1. Select
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The significance and methods of thinning male flowers (male flower thinning) on walnut trees
Walnut trees produce a large number of male flowers, far more than needed for pollination, and the development of male flower buds consumes large amounts of water, sugars, amino acids and so on. Removing excess male flower buds from walnut trees is called male flower thinning. Thinning male flowers can save large amounts of water and nutrients for the development of female flowers, thereby
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What measures are there to prevent frost damage during the flowering period of walnut trees?
1. Choose suitable sites and varieties. Refer to the results of local agroclimatic zoning, rationally plan the industry layout, and choose favorable terrain that is not prone to cold air accumulation, to resist and avoid the harm of low-temperature frost. Generally, cold air tends to gather in valleys or low-lying areas, often causing frost, so
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Soil management in walnut orchards can adopt the orchard grass-cover technique
Orchard grass-cover is an advanced, practical and efficient soil management method, especially suitable for walnut orchards with severe soil erosion and poor soil, and it is also one of the important technical measures for producing green fruit and pollution-free fruit. Compared with other soil management methods,
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Detailed Explanation of Key Technical Points for Deep Plowing and Soil Improvement in Walnut Orchards
Deep plowing and soil improvement is one of the main technical measures for improving soil in walnut orchards, and is suitable for areas with poor soil conditions. Through deep plowing, on the one hand it can play a role in storing water and preserving moisture and improving soil structure; on the other hand it can enhance the activity of soil microorganisms and accelerate
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What nutrients does a walnut tree need for growth and development?
The growth and development of fruit trees require two major categories of nutrients: one is organic nutrition, including amino acids, proteins, sugars and phospholipids, etc., accounting for 90%-95% of the total dry matter of the tree, all of which are directly or indirectly synthesized by photosynthesis, which shows that photosynthesis is the fruit
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A Detailed Explanation of the Fertilizer Requirements for the Growth and Development of Walnut Trees
Walnut trees like fertilizer, but the amount of fertilizer needed varies at different ages and different phenological periods. The fertilizer requirements of walnut differ at different ages. The individual development of a walnut tree can be divided into four stages, namely the young age period, the early fruiting period, the full fruiting period and the aging period. In the young age period,
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What are the symptoms of nutrient deficiency and toxicity in walnut trees?
The key to scientific fertilization lies in accurately judging the surplus and deficiency of nutrient elements in the soil and in the tree's nutritional status. The basis for fertilization includes two aspects: morphological diagnosis and nutritional diagnosis. Morphological diagnosis is based on the external morphological characteristics of the fruit tree to preliminarily judge the abundance or deficiency of nutrient elements, and to guide
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How to determine a reasonable fertilizer amount? A full breakdown of the scientific method
The determination of the fertilizer amount for walnut trees is based on the nutrient status of the soil and the nutrient requirements of the walnut tree. In addition, soil pH, topography, terrain, soil temperature and moisture, and soil management all affect the fertilizer amount and fertilization method. Determining a reasonable fertilizer
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What are the main fertilization methods for walnut trees? A detailed explanation of key fertilization points
The walnut fertilization methods currently used in China are mainly two types: soil fertilization and foliar spraying. Soil fertilization can be carried out in combination with soil ploughing. In order to facilitate root absorption and utilization and maximize fertilizer efficiency, when applying soil fertilizer, the fertilizer must be placed in the concentrated distribution layer of the root system.
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