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Ten scientific fertilization methods for fruit trees
3. Strip furrow fertilization method. Dig 1-2 long strip ditches with a width of 50 cm and a depth of 40-50 cm between the rows or plants of fruit trees, and then fertilize and cover the soil. This method is suitable for mature orchards.

Ten scientific fertilization methods for fruit trees
2. Radial fertilization method. Dig 6-8 radial ditches 1 meter away from the trunk, 30-60 cm wide, 15-45 cm deep, and as long as the outer edge of the trunk. Apply fertilizer into the ditch and cover with soil. This method is suitable for mature orchards.

Ten scientific fertilization methods for fruit trees
1. Ring ditch fertilization method. Dig a 30-40 cm wide and 15-45 cm deep annular ditch outside the canopy, and then mix the topsoil with the base fertilizer and apply it. This method is suitable for young orchards.

Potassium:
This week, the domestic potassium chloride price dropped sharply, and the domestic, border trade and port prices fell by about 50-250 RMB/MT. Now the market price of potassium 60% crystal produced in China is mostly 3100-3200RMB/MT.
The price of 62% Russian white potassium in the border trade area is mostly 2700-2900 RMB/MT. The price of 62% white potassium at the port is mostly 3200-3400 RMB/MT. The price of potassium sulfate was affected by the drop in the price of potassium chloride, and the price was reduced by about 50-100 RMB/MT.
At present, the price of Xinjiang Luo Potassium 52% powder arrives at about 3700-3800 RMB/MT.
The quotations of 52% powder potassium sulfate EXW of enterprises in Shandong and Hebei are mostly 3800-3900RMB/MT, and the quotations of 50% powder potassium sulfate EXW are 3700-3750RMB/MT.
Northeast enterprises offer 52% powdered potassium sulfate EXW at 3700-3750RMB/MT.

Phosphate fertilizer:
This week, the domestic price of monoammonium phosphate is also going down, and the price in many places has been reduced by 50-150 RMB/MT! Since April is the traditional off-season for phosphate fertilizers, the overall demand is less.
In terms of raw materials: synthetic ammonia and sulfur continue to decline, especially synthetic ammonia (Hubei EXW is at 3250-3300 RMB/MT, which is 400-500 RMB/MT lower than last week).
At present, the price of monoammonium phosphate EXW is 3100-3300RMB/MT.
Diammonium phosphate is also running weakly, raw materials continue to fall, the market has become more wait-and-see, and trading and investment are extremely deserted! The exw price of 64% granular diammonium is 3820-3980RMB/MT.

Urea:
The price of urea in China has dropped sharply this week, and almost all prices have fallen, with a drop of more than 200 RMB/MT.
At present, the ex-factory quotation of small and medium particles in the market is about 2350-2580 RMB/MT! Compared with last week, the price of small and medium-sized particles in the mainstream market fell by 150-200 RMB/MT.
There is a lot of supply, not much demand, and there is no support for export orders for raw materials. It is expected that the market still has room for downside.

Looooong Time No See!!!😜😜

This week, the price of domestic compound fertilizers has dropped significantly. The transaction price of 45% conventional fertilizers in many places has dropped by about 30-130RMB/MT, and the reduction in the mainstream market is mostly 50-80RMB/MT. This week, the raw materials of compound fertilizers (nitrogen, phosphorus, and potassium) went down as a whole, and the market has a strong wait-and-see nature. Distributors are afraid of price cuts after receiving the goods, so they postpone or reduce purchases!

It is generally difficult for enterprises to sell goods, and the accumulation of inventory is obvious. In order to alleviate the pressure of inventory, enterprises often cut prices or sell goods with policy concessions. The market has gone down significantly, and more and more low-end offers! ! !

As of April 9th, refer to some domestic ex-factory prices EXW:
45% sulfur-based fertilizer (14-16-15/15-15-15) is at 3100-3200 RMB/MT.
45% chlorine-based fertilizer (15-15-15) is 2750-3010 RMB/MT.

The above price will be used as a reference, and I will tell you the price of raw materials in China tomorrow.

Q:How to judge the good or bad of organic fertilizers on the market by their appearance?

A:We can look at the logo of the fertiliser. Organic fertilisers usually take the new standard (NY/T 525-2021) of ≥ 30% organic matter and ≥ 4% total nutrients of nitrogen, phosphorus and potassium. And no matter what shape the organic fertiliser is, if there are many impurities mixed in, it is a fertiliser of substandard quality. The new standard for organic fertilizer is NY/T 525-2021.

Q:There are many benefits to using organic fertilisers together with chemical fertilisers.What are the specific benefits?

A:(1) A comprehensive supply of the required nutrients. Organic fertilisers are the opposite of chemical fertilisers in that they can be mixed to meet the nutrient requirements of the crop during all growth periods.
(2) Reduce nutrient fixation and increase soil nutrients. Mixing chemical and organic fertilisers can reduce the contact surface between chemical fertilisers and soil, avoiding nutrients being absorbed or fixed by the soil, thus improving the effectiveness of nutrients, increasing the nutrients in the soil, improving soil vitality and promoting healthy crop growth.
(3) Effective adjustment of soil pH. Mixing chemical fertilisers with organic fertilisers can improve the buffering capacity of the soil and effectively regulate the pH of the soil.

Q:What is the general amount of organic fertiliser to apply?

A:Generally speaking, it is better to apply 15-20 cubic metres of fully matured chicken manure and 35-40 cubic metres of rice husk manure per acre of vegetable land. As eggplant and fruit vegetables require more fertiliser, the upper limit of fertiliser can be taken, while leafy vegetables require slightly less fertiliser and the lower limit of fertiliser can be taken.

Q:How is organic fertiliser normally applied?

A:The main function of organic fertiliser is to improve the soil, so it is important to combine it with deep ploughing so that the soil is completely mixed with the organic fertiliser. We can also combine it with a soil conditioner, which can better improve the soil environment, balance the nutrients and increase the soil bulking structure, etc.

Q:Organic fertilizers can be combined with nitrogen fertilizers, but not with phosphorus fertilizers, is this true?

A:It is true, because the nutrients in organic fertilisers are unbalanced, with nitrogen and phosphorus being more prominent. The nitrogen required by crops is generally more than three times that of phosphorus, but the nitrogen content of organic fertilisers is significantly lower than that required by crops, while the phosphorus content is significantly higher than that required by crops.

Q:When is organic fertiliser usually applied?

A:Organic fertilisers are slow to take effect and are usually applied once as a base application before sowing or planting, with the effect of a later follow-up application not being as pronounced as when they are used as a base fertiliser.

For those who grow greenhouses, organic fertiliser should usually be applied before soil disinfection and smothering.

(1) Organic fertilisers that are not fully rotted will be further rotted after the smothering process.

(2) Pathogenic bacteria, pests and other harmful microorganisms in organic fertilisers are basically killed after high temperature smothering treatment and will no longer be harmful to crops.

(3) Microbial fertilisers and bio-organic fertilisers that have exceeded their expiry dates should also be applied before the soil is sterilised by smothering, to prevent contamination of the sterilised soil by miscellaneous bacteria.

Q:Is the longer we make our own compost, the better?

A:It is not the case that the longer the pile is the better. If we say that the pile has been left for 3 years, it is fully decomposed, but it will be mineralised and the nutrients will be poor, and in the process of harmlessness, its organic matter is also being consumed. Too long a time will lead to too much nutrient loss, and if the time is short, the harmlessness will not be enough.

So, as long as we are stacking it at a high temperature of 65 degrees and maintain it for 5-7 days, it will be fine.

Q:How can you tell when organic manure is fully matured?

A:Whether it is straw compost or chicken manure, take out 500 grams, put it in a sealed bag and leave it for three days. If the bag swells up and there is more air in it, then it is not fully rotted. If the bag doesn't swell up, you can basically say that it's well matured because, as the straw manure matures, it produces gas.
However, those who use city sludge or whatever to make organic fertiliser, this method will not test for it. But this method can test whether our seedling substrate is well matured.

Q:What is a matured organic fertilizer?

A:Matured organic fertilisers are the organic matter-rich wastes we normally see, such as livestock manure, sludge, decayed branches and leaves, or household waste, which have been decomposed and fermented to produce a stable and harmless fertiliser that can supplement the nutrients needed for crop growth, and also improve soil activity and promote increased crop yields.
However, we should not apply organic fertilisers that are not decomposed, or are incompletely decomposed.

Q:Is the higher the organic matter content in organic fertilizers better?

A:For organic fertilisers that have reached the organic matter standard, the higher the organic matter content is, the better it is, but it also depends on the raw materials used in the organic fertiliser.
For example, some organic fertilisers are made from weathered coal, but are not activated, and its organic matter content is very high, it can reach 70%, 80%, or 100%, the application effect of this organic fertiliser is very poor, on the contrary, the organic fertiliser made from high quality raw materials, such as soybean cake, its organic matter content is not very high, but its application effect is very good.
Therefore, when we buy organic fertilizer, we should understand clearly the organic matter, but also understand clearly its raw materials.

Q:What is the relationship between organic matter and organic fertiliser?

A:There are many people who are vague about organic matter and organic fertiliser, and some even think that organic fertiliser is all organic matter, but this is not the case.
General standard organic fertilizer in the content of organic matter will not be less than 30%, and farm fertilizer in the higher nutrient content of chicken manure, organic matter content in about 25.5%.

Q:Bio-organic fertilizer

A:Bio-organic fertiliser is a type of bacterial fertiliser, which is fully rotted, compared to farmyard manure, it has a mortality rate of over 95% of worm eggs, it is safer for the crop and does not have the stench of farmyard manure, the fertiliser is more even and we can apply it more easily.

Q:Farmyard manure

A:Farmyard manure is the organic fertiliser grown, raised and accumulated by the farmers themselves, mainly green manure, stable manure and compost. Farmyard manure is not fully rotted and has a low level of harmlessness, with a large number of harmful bacteria, viruses, insect eggs and w**d seeds remaining, which can easily burn the roots of seedlings and cannot be easily sold as commercial fertiliser.

Q:Organic fertilisers

A:Fertilisers that contain more organic matter and are derived from animal and plant organisms, animal manure and other waste are usually called organic fertilisers. However, the organic fertilisers we buy on the market are fully rotted organic fertilisers, which are commercial fertilisers that improve the physical and chemical properties of the soil with beneficial microorganisms, are odourless and easy to transport.
Organic fertilisers provide a variety of nutrients for the growth of crops. Although organic fertilisers are slow, they have a long-lasting effect and can improve the soil structure, increase the activity of the soil and provide crops with nutrients that chemical fertilisers cannot provide.

Q:What is the connection between organic fertilizer and bio-organic fertilizer?

A:In fact, any material that contains a carbon source can become organic fertiliser, including cake manure, compost, biogas, bacteriological fertiliser, etc.
According to the production method, there are natural organic fertilisers, organic compound fertilisers, bio-organic fertilisers, etc.
And bio-organic fertilizer is a kind of bacterial fertilizer, with specific functions of microorganisms, and mainly with animal and plant residues (such as animal and poultry manure, crop straw, etc.) as the source, and after harmless treatment, ripening of organic materials, compounded. It is mainly used in the commercial production process, the fermentation and decomposition of microorganisms, so as to be able to achieve full decomposition, sterilization purposes.

9. Is there any difference between the outer packaging of cheap fertilizers and regular fertilizers?
As a rule of thumb, you can look for product standards, common product names and fertiliser registration numbers. If you are careful and professional, you can also see if the heavy metal content is marked on the bag. The heavy metal ion content of water soluble fertilisers produced by legitimate manufacturers is below the national standard and is clearly marked. If the heavy metal content of the fertiliser is not marked on the bag, please use with caution!

8. Why some water soluble fertilizers have documents and qualified inspection, but the price is still much cheaper?
Now the functional department only test N, P, K, many small factories on the surface of the article to do a good job on it; regular manufacturers have added trace elements, and in the content table above, marked with how much will absolutely contain how much, trace elements per ton of tens of thousands of yuan ranging, add or not add, add more or less, the price of course, a big difference!

7. Why do I feel that the yield started to rise after using cheap water soluble fertilizer and then kept falling?
A good illustration can be made here with the doctrine of nutrient restitution, crops take nutrients from the soil and there will be less and less of them in the soil, so to restore soil strength you should apply nutrients to the soil to return all that has been taken from it or yields will fall. With a good fertiliser the more fertile the land is planted, there will not be a dramatic rise in yield but what is guaranteed is a steady rise, with a poor fertiliser the yield is destined to be short lived and if not stopped in time will drift away!

6. What should be the correct and feasible way to calculate the cost of investment?
The cheap one is 4 bags of 20USD at a time, 200USD/acre. The regular water soluble fertilizer is 10USD at a time, 180 USD/acre, a real money-saving good fertilizer. Besides, I don't think I need to say much about the crop harvest!

5. Why is the effect of cheap water soluble fertilizer better than that of brand water soluble fertilizer at that time after use?
Here we should pay strict attention to two concepts: "effective period" and "fertilizer period". Water-soluble fertilizer is a multi-fertilizer compound, for example, ammonium carbon, the same day to see the effect of fertilizer period of 15 days. ammonium chloride 3 days to see the effect of fertilizer period of 25 days, late off fertilizer. Urea, 7 days effective, fertilizer effect period of 45 days. Compound fertiliser works in 10 days, with an effective period of 90 days. Here in real life, our farmer friends only focus on the immediate effect, but do not care about a sustained situation, which makes good water soluble fertilizer to a certain extent in a passive situation.

4. Many water-soluble fertilizers are low in price and perform well after use Why is this?
Nowadays most manufacturers increase the nitrogen content and reduce the potassium content, or even none, for example: 20-20-20 is made into 30-15-5 content after use, the seedlings are flush and strong, but the fertiliser can be taken off later and eventually the yield does not go up.