Jujube management: how to fertilize jujube?
How to fertilize jujube? Please introduce the method that farm manure has been greatly reduced in recent years. Most jujube farmers have not applied organic fertilizer to jujube trees for many years, but only nitrogen fertilizer, phosphorus fertilizer and other inorganic fertilizers, resulting in the decrease of soil organic matter, the imbalance of soil nutrients and the change of soil aggregate structure. Soil consolidation, jujube roots can not fully absorb nutrients and water, the growth period can not meet the needs of normal growth. Jujube tree outside strong and internal deficiency, its own disease resistance decreased, and finally led to the decline of jujube fruit quality and efficiency. At the same time, due to the change of soil structure, nitrogen and phosphorus and other elements are also absorbed and fixed by the soil and can not be absorbed and utilized by jujube trees, resulting in a lot of waste. Jujube fertilization is mainly organic fertilizer, supplemented by inorganic fertilizer, balanced fertilization, it is best to use soil testing formula fertilization, which not only saves costs, but also increases economic benefits. Pay attention to the application of organic fertilizer, there is no farm fertilizer can choose bio-organic fertilizer, bio-organic fertilizer contains not only organic matter and other nutrient elements, but also microbial fungi, which can activate the soil and make the soil loose and permeable. improve the utilization rate of chemical fertilizer. When using farm manure or bio-organic fertilizer as base fertilizer, it must be applied deeply, and farm fertilizer should be used with a certain proportion of nitrogen, phosphorus and potassium fertilizer, the effect is better. In the later stage, according to the growth and fruit amount of jujube trees, topdressing was selected, mainly phosphorus and potassium fertilizer, which should be applied near the root system to facilitate absorption. After the jujube fruit entered the expansion period, foliar spraying potassium fertilizer and calcium fertilizer played a certain role in the expansion and quality of jujube fruit. Click to get more jujube planting techniques click to get more fruit planting techniques
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Jujube management: how to manage the jujube fruit expansion period?
How to manage the expansion period of jujube fruit? Please introduce the management method after the jujube fruit enters the expansion period, a large amount of nutrients stored in the tree are consumed due to heavy vegetative growth and reproductive growth, and the nail mouth has just healed, which is the key period for the root system to rapidly absorb nutrients. So cause jujube tree potential is weak, lack of nutrition, resistance.
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Black sugarcane: how to manage planting black sugarcane?
How to manage the planting of black sugarcane? Please introduce the good management methods of planting sugarcane after years of planting and groping, and summarize the following sugarcane planting management methods for reference: timely fertilization and seedling emergence combined with the first weeding to fertilize, the second field growth period combined with each soil thinning.
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