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Matters needing attention in the application of trace element fertilizer
Matters needing attention in the application of trace element fertilizer
2019-01-22 -
Matters needing attention in the use of trace element fertilizer
Matters needing attention in the use of trace element fertilizer
2019-08-08 -
What are the trace elements? How to check the purchasing standard of trace elements
Purchasing standard for trace elements added
2018-07-11 -
Is it affected by the harm of rare earth elements in tea? How can there be rare earth elements in tea?
A few years ago, most of the 10, 000 boxes of tea MOU in Beinong could not be realized, so the pesticide residues exceeded the standard. Or does the content of rare earth elements exceed the standard? Chen Jizhong, chairman of the Council of Agriculture, believes that the MOU jump of Beinong's tea is related to China's unique testing standards for rare earth elements, not pesticides.
2019-04-04 Tea containing rare earth elements is harmful has an impact what how? -
Five points for attention in applying trace element fertilizer
The production of green food also requires restrictions on the use of fertilizers. So what are the fertilizers allowed to be used? one。 Farm fertilizer. Refers to fertilizer that contains a large amount of biological matter, animal and plant residues, excreta, biological waste and other substances. 1. Compost. With all kinds of straw, fallen leaves, human and animal faeces.
2018-07-15 -
Water-soluble fertilizer: rich in nutrients to promote growth, water-saving and fertilizer-saving
First, a small amount of repeated application can improve the utilization rate of water-soluble fertilizer. If it is flushed, it will be about 10 kg per mu / time, and if it is sprayed, it will be diluted 500-800 times. Second, water-soluble fertilizer is generally used as topdressing, and the suitable variety and amount of water-soluble fertilizer should be selected according to the amount of base fertilizer and crop growth. The third is opposite.
2018-07-16 -
Mineral nutrition of pigs
It has been proved that there are more than 40 kinds of essential mineral elements in pigs, which can be divided into two categories: major elements and trace elements according to their content in pigs. Elements with a content of more than 50 mg / kg are major elements, which are mostly expressed by percentage content; elements less than 50 mg / kg are mostly represented by mg / kg. Pigs need at least 14 inorganic elements, including major elements calcium (Ca), phosphorus (P), sodium (Na), chlorine (Cl), potassium (K), sulfur (S), magnesium (Mg) and
2019-01-15 -
Scientific pig raising 100 questions and answers 42, how to design the formula of compound trace element additive premix?
Scientific pig raising 100 questions and answers 42, how to design the formula of compound trace element additive premix?
2018-07-10 -
Standard for water-soluble fertilizers with medium elements
The content of medium element is agragpash L100; the content of water insoluble matter, ghammer L50 × PH (diluted by 1PUR 250) 3.0-9.0; the content of medium element (H2O)% 3.0; the content of medium element refers to the content of calcium or magnesium or the sum of the content of calcium and magnesium is not less than 1.0%, and both calcium and magnesium should be included in the medium.
2020-11-09 Medium element Water soluble Fertilizer Standard medium content -
Effect of Trace element Water-soluble Fertilizer on yield and quality of Citrus
Effect of Trace element Water-soluble Fertilizer on yield and quality of Citrus A large number of element water-soluble fertilizer is a liquid or solid water-soluble fertilizer made of a large amount of nitrogen, phosphorus and potassium and adding an appropriate amount of medium or trace elements.
2018-06-17 -
Trace elements that you must not know in shrimp culture
Hello everyone, I am Xiaobian dream, the weather is getting cold, prawns more and more need to supplement nutrition, as well as a variety of trace elements. So, in today's article, the editor will.
2019-02-27 -
Mineral requirement of high-yield sows
Mineral requirement of high-yield sows
2018-07-10 -
Selenium, cobalt and zinc deficiency in deer
The uneven geographical distribution of trace elements and substandard feeding and management will lead to trace element deficiency diseases. Targeted and appropriate addition of essential trace elements for deer is the most effective way to prevent and treat trace element deficiency diseases of deer. Trace elements are catalysts for a variety of enzymes and activity regulators for proteins, fats, polysaccharides, nucleic acids, vitamins and hormones in deer. Trace elements cannot be synthesized in deer and must be ingested from feed, but they are excreted continuously; therefore, according to
2019-01-16 -
Essential elements and their physiological functions in Cymbidium plants
Essential elements and their physiological functions in Cymbidium plants
2018-05-03 -
A double-edged sword in broiler breeding! Trace elements iron, zinc, copper, manganese, selenium!
Chicken as a complete organic life, in the usual growth activities, need adequate carbohydrates, proteins, vitamins and minerals, minerals.
2019-02-27 -
How to distinguish between true and false water-soluble fertilizer?
Compared with traditional calcium superphosphate and granulation compound fertilizer, water-soluble fertilizer has obvious advantages. It is a kind of quick-acting fertilizer with good water solubility and no residue. It can be completely dissolved in water and can be directly absorbed and utilized by the roots and leaves of crops. But
2020-11-09 How to distinguish between true and false water-soluble fertilizer and traditional calcium superphosphate -
Several trace elements most easily deficient in raising sheep
Several trace elements most easily deficient in raising sheep
2019-01-24 -
Chunlan auspicious element: Chunlan auspicious element price, Chunlan auspicious element is a good flower? what are the characteristics of orchids
The year when Dongfang Su (mascot) went down the mountain is unknown, it should be around 2003, when there were so many people digging flowers in Zhoushan in Xinchang, dug by an orchid friend named Zhu Bozhong, the leaves were thin and narrow, bent, the flowers were high, the shoulders were flat, the tongue was big and round, the flower guard was especially good, and the tongue did not roll for a long time. The whole flower looks graceful, elegant and beautiful. Peach parsley.
2018-02-27 -
Prevention and treatment of element deficiency of cut rose in production
When there is a lack of nutrient elements, the main reasons for the lack of nutrient elements are as follows: the difference or error of effective components in fertilizer is not consistent with the actual amount of fertilizer; the improper operation of fertilizer and fertilization results in precipitation and loss, which makes the proportion of nutrient elements out of balance; soil pH value, soil temperature and poor permeability affect the effectiveness of nutrient elements, so that rose can not effectively absorb nutrients. Therefore, in soil cultivation, as long as we adhere to normal fertilization, it is generally not easy to lack large and medium elements, sometimes due to the rapid growth and high consumption of rose.
2019-01-16 -
What are the three elements of fertilizer?
What are the three elements of fertilizer?
2020-03-14