How to apply sulfur-based compound fertilizer?
How to apply sulfur-based compound fertilizer? Please give an introduction to sulfur-based compound fertilizer as follows: ① fertilizer characteristics: nutrient balance fully meet crop nutritional needs and regulate soil; fertilizer soluble in water is suitable for all kinds of soil and crops; economic crops, especially various chlorine-free crops, generally increase production by 20% and 30%. ② fertilization suggestion (kg / mu): crop base fertilizer (compound fertilizer) topdressing (urea) topdressing period tobacco 30Mui 35 about 15 days after planting cotton 30Mui 35 about 20 flowering stage potato 28 Mel 32 about 10 before flowering stage watermelon 40 Mel 50 about 15 immature fruit stage tea 60 Mel 70 about 20 minutes 2-3 times rice 25 Mui 30 about 20 young panicle differentiation stage wheat 30Mui 35 about 20 tillering stage vegetable non-leaf vegetable annual application of compound fertilizer 70-90 kg About 30% of them are used as base fertilizer, and the remaining 70% are divided into 2-3 times of topdressing. For mature fruit trees, 1.5-2.0 kg compound fertilizer should be applied to each tree after autumn harvest, early flowering stage and fruit setting period. ③ precautions: fertilizer should be applied under the seeds without direct contact to avoid seed burning; if compound fertilizer is applied on legume crops, phosphate fertilizer should be added. Click to get more compound fertilizer application techniques
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How to apply potassium sulfate compound fertilizer to crops?
How to apply potassium sulfate compound fertilizer to crops? Please introduce the following methods of applying potassium sulfate compound fertilizer to several crops: cucumber: general cucumber high-yield field base fertilizer 5000 kg per mu of high-quality organic fertilizer, 50 kg of potassium sulfate compound fertilizer. The principle of topdressing is a small number of times, the total amount of topdressing about 50 kg, topdressing.
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What should we pay attention to when using high nitrogen compound fertilizer?
What should we pay attention to when using high nitrogen compound fertilizer? Please introduce that there are various types of high-nitrogen compound fertilizers on the market, which are characterized by high nitrogen content and are suitable for one-time application or as topdressing for corn. However, it should be noted that high nitrogen compound fertilizer is generally ammonium-based or urea-based compound fertilizer, which can be contained in the production process.
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