Planting Technology Lists
-
The method of distinguishing the advantages and disadvantages of phosphate fertilizer
The following describes the methods to distinguish the advantages and disadvantages of phosphate fertilizer: observe the color and shape of phosphate fertilizer, the color of phosphate fertilizer should be grayish white, the shape is powder, if the color is white or yellow, it may be because the acid treatment is incomplete and its phosphorus content is low. Smell, phosphate fertilizer should be slightly sour, if there is no such taste, it means that it has been in production.
2018-07-14 -
What will happen if we apply high concentration phosphate fertilizer?
What will happen if we apply high concentration phosphate fertilizer? Please introduce that the main component of ordinary calcium superphosphate is monocalcium phosphate, the content of phosphorus in fertilizer is 14% 18%, and the by-component is calcium sulfate, accounting for about 50%. Therefore, the application of common superphosphate can not only provide phosphorus nutrition for crops, but also obtain sulfur nutrition for crops. But calcium superphosphate.
2018-07-14 -
How to apply calcium magnesium phosphate fertilizer well
How to apply calcium magnesium phosphate fertilizer? Calcium magnesium phosphate fertilizer is a kind of multi-element fertilizer which mainly contains phosphorus and contains calcium, magnesium, silicon and other components. Calcium magnesium phosphate fertilizer is insoluble in water, non-toxic, non-corrosive, not easy to absorb moisture, not easy to caking, so it is a chemical alkaline fertilizer. It is widely used in all kinds of crops and phosphorus-deficient acidic soil. The user.
2018-07-14 -
Which crops are suitable for potassium sulfate or potassium chloride?
Which crops are suitable for potassium sulfate or potassium chloride? Please introduce that crop chlorine tolerance refers to the ability of crops to tolerate root chlorine application without toxicity. The lower the concentration of toxicity, the worse the chlorine tolerance. Among the common crops, there are beet, spinach, millet, kenaf, radish, chrysanthemum, rice and sorghum.
2018-07-14 -
How to distinguish potassium sulfate from potassium chloride?
How to distinguish potassium sulfate from potassium chloride? Please introduce in detail the identification methods of potassium sulfate and potassium chloride can refer to the following methods: because the price of potassium chloride is lower than that of potassium sulfate and can not be used in crops that avoid chlorine, so in order to correctly distinguish and use these two kinds of fertilizers, we should pay attention to: first, buy potash fertilizer first with your eyes and appearance.
2018-07-14 -
What is the difference between potassium sulfate and potassium chloride? How to use it?
What is the difference between potassium sulfate and potassium chloride? How to use it? Please introduce the application technology of potassium sulfate and potassium chloride: potassium sulfate is soluble in water, 50% K2O content, white or reddish crystal, better physical properties than potassium chloride, low hygroscopicity, not easy to caking during storage, and belongs to acidic fertilizer. Potassium chloride:.
2018-07-14 -
What should we pay attention to when using potassium sulfate?
What should we pay attention to when using potassium sulfate? Please give instructions that potassium sulfate is a kind of potash fertilizer with high quality and high potassium content. Potassium sulfate is a white crystal, and the K2O content is generally between 50% and 52%. It is soluble in water, has low hygroscopicity and is not easy to caking, and its physical properties are better than those of potassium chloride. Potassium sulfate is widely used in all fields.
2018-07-14 -
How to identify potassium sulfate?
How to identify potassium sulfate? Please introduce the identification method potassium sulfate identification method can refer to the following: first, look at the appearance. Potassium sulfate is in the shape of crystals. Second, look at the color. Potassium sulfate is generally white, and some are grayish yellow\ grayish green or light brown. Third, observe the hygroscopicity. Potassium sulfate has almost no hygroscopicity.
2018-07-14 -
What problems should be paid attention to when applying potash fertilizer?
What problems should be paid attention to when applying potash fertilizer? What is the effect of applying potash fertilizer? Please introduce the following problems to be paid attention to when applying potash fertilizer: first, pay attention to the soil condition. In general, the effect of potassium fertilizer application was obvious when the soil available potassium was lower than that of 80mg ∕ kg, but little or no application of soil available potassium in 80~120mg ∕ kg. In addition, the speed of sand.
2018-07-14 -
What kind of fertilizer should be applied to persimmon trees before and after harvest?
What kind of fertilizer should be applied to persimmon trees before and after harvest? Why do we have to apply fertilizer after harvest? Persimmon should apply nitrogen and potassium fertilizer before and after fruit harvest, replenish tree nutrients in time and improve the nutritional level of persimmon trees, which is beneficial to normal flowering and fruiting in the second year. The specific method is: apply pre-harvest fertilizer 15-20 days before persimmon fruit harvest.
2018-07-14