Common fertilizer characteristics and usage

1. Ammonium bicarbonate: weak alkaline, can be used as basal fertilizer and top dressing, can not be used as seed fertilizer, application should be deep or cover about 10 cm soil, can not be mixed with ammonium nitrate, superphosphate.

2, urea: neutral, suitable for all kinds of soil and all kinds of crops, suitable for base fertilizer, top dressing, can not be used as seed fertilizer.

3, superphosphate: weakly acidic, can be used as base fertilizer, seed fertilizer and top dressing, it is suitable for neutral or acidic soil, generally should be applied with organic fertilizer or ash, top dressing with its filtrate out of the root spray.

4, ammonium nitrate: weakly acidic, can be used as top dressing, can not be basal, seed fertilizer. Early spring crops should not be applied, and should not be mixed with organic fertilizers and hoeing; application to paddy fields due to denitrification and poor results, commonly used in dryland crops.

5, ammonium chloride: physiological acidic fertilizer, can be used as base fertilizer, topdressing, can not be used as seed fertilizer. Applicable to calcareous soil or partially acidic soil, but should not be applied to salt alkali soil and tobacco, grapes, potatoes and other chlorine crops.

6, nitrogen, phosphorus and potassium compound fertilizer: suitable for base fertilizer and early fertilizer.

7, calcium magnesium phosphate: weak alkaline, can be used as base fertilizer, generally not suitable for top dressing application, suitable for acidic soil.

8, potassium sulfate: physiological acidic fertilizer, as base fertilizer, top dressing can be, potassium sulfate applies to all types of crops, in particular, avoid chlorine and potassium crops, the application should be properly centralized application.

9, potassium dihydrogen phosphate: Currently used for soaking and dressing fertilizers outside the root, the effect is very good.

10, nitrogen and potassium compound fertilizer: should be used as potassium fertilizer crops fertilizer. If potassium nitrate is used, paddy fields should not be used.

11, potassium chloride: physiological acidic fertilizer, suitable as base fertilizer, applied in the acidic soil, preferably with the application of organic fertilizer or lime, salt and alkali should not be applied, avoid chlorine crops should not be applied.

12, nitrogen and phosphorus compound fertilizers: such as ammonium phosphate, suitable for all kinds of soil and all kinds of crops, should be used as base fertilizer, if the top dressing should be applied as top dressing, as a seed fertilizer, can not be in direct contact with the seeds.

There are three main types of Rice.

In GB/T 1354-2009 "Rice National Standards", there are only three types of rice: glutinous rice, glutinous rice and glutinous rice.
Pick rice three steps

Look

Packed rice first look at whether the packaging is marked with QS mark, product name, net content, production date and shelf life, quality grade, product standard number and other information.

Look at the color and size of the rice grains in bulk to see if there are broken rice or yellow grains.

smell

Premium rice has a natural valley scent and no smell.

taste

New rice has a higher protein content and is harder than Chenmi.

Other Rice

Royal Basmati Rice,Nutritious Rice,Medium Grain Rice,Short Grain Rice

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