What are the precautions for fertilizing lotus root
The application amount of lotus root fertilizer is determined by the fatness of the soil itself. Usually, one acre of lotus root requires 1500-2500 kg of manure, animal manure or stable manure, and 3000-3500 kg if green manure is used. The application of manure can effectively reduce the rust spots attached to the lotus root body and improve the quality of the lotus root. In deep-water lotus root fields, it is easy to lack phosphorus, so in addition to the above-mentioned organic fertilizers, 30-40 kg of calcium phosphate should be added as a base fertilizer. Let's take a look at the specific matters related to fertilization in lotus root.
1. The time of fertilizing lotus root
During the growth and development period of lotus root, top dressing is usually applied 2 to 3 times:
The first time is when the standing leaves begin to appear. After field tillage and weeding, 750-1000 kg of human manure and urine fertilizer is applied per acre.
The second top dressing is carried out when there are 5-6 pieces of standing leaves, and about 1,000 kilograms of human feces and urine fertilizer are applied per acre.
The third top dressing is carried out at the end of the appearance of the leaves, when the lotus root begins to form, which is called top dressing. 1500 kilograms of manure and urine fertilizer and 30-50 kilograms of cake fertilizer are applied per mu.
2. Precautions for fertilizing lotus root
1. Fertilization should be sunny, windless and airless, and should be avoided at noon in the scorching sun.
2. Drain the water every time before fertilizing, so that the fertilizer can be absorbed into the water, and then refill the water to the original depth.
3. In deep-water lotus root fields, fertilizers are easy to lose, so liquefied fertilizers cannot be applied directly, and solid fertilizers should be applied. That is, reapply barnyard manure or green grass and green manure, and bury it in the mud.
4. When using chemical fertilizer for top dressing, first fully mix the chemical fertilizer with river mud to form a fat mud mass, and then apply it to the lotus root field.
3. The occurrence and control of continuous cropping lotus root diseases
1. Causes and symptoms
After shallow water lotus root is stubbed continuously for about 5 years, due to poor soil ventilation conditions, copper, iron, zinc and other trace elements cannot meet the growth needs of lotus root. In addition, the application of organic fertilizers is less, and the nitrogen fertilizer is more applied, which can easily induce physiological diseases. .
The physiological disease started in early and mid-May, and the peak period of incidence is generally in the high irritation season from July to August. At the initial onset, the new leaves appear slightly wilted right out of the water, the veins of the leaves gradually become green and pale, and brown spots appear on the edges of the leaves, which gradually expand until the entire leaves die.
2. Prevention method
Continuous cropping of lotus roots lasts for 3 to 4 years and then plowing is the fundamental way to control the diseases of continuous cropping lotus roots. In the process of daily fertilization, organic fertilizer should be used as the mainstay to control the amount of nitrogen fertilizer. At the same time, when the water body of lotus field is relatively thin in spring, copper sulfate 1~1.5kg, ferrous sulfate 2~2.5kg, calcium and magnesium are used per mu of land. Phosphate fertilizer 25-30 kg bundles of dry fine soil for hedgerows.
Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone
Feed Additives are divided into microbial feed additives and Chinese herbal feed additives. Among them, microbial feed additive is a kind of microbial products that replace or balance one or more strains in animal ecosystem. In a narrow sense, it is a kind of microbial products that can stimulate the reproduction and growth of beneficial bacteria while resisting the growth of harmful bacteria. Microbial feed additives containing a large amount of beneficial bacteria (active lactobacillus, bifidobacterium, bacillus), compound enzyme, chelating peptide, mildew remover, etc., as the inside of livestock and poultry feed, can rapid reproduction, on the one hand, in bacterial metabolites and gut endotoxin inhibits the growth of other harmful flora, on the other hand, it formed the normal microbial flora in the host, Synthesize the main vitamins for the host, provide nutrition and prevent the invasion of pathogenic bacteria.
There are many different feed additives in category. There are vitamins, amino acides, antibiotics, Trace elements,Buffer feed, flavor agents, Hormonal additives, herbal additives etc.
Feed Grade Cinnamon Powder,Bacillus Licheniformis Powder,Brewers Yeast For Feed Additive,Agricultural Chitosan Oligosaccharide
Allied Extracts Solutions , https://www.alliedadditives.com