Monohydrate sodium zinc decaborate and preparation method therefor
The technology of sodium zinc borate and sodium decaborate is applied in the field of producing zinc sodium borate fertilizer, which can solve the problems of crop yield resistance, inconvenient use, abandonment by farmers, etc., and achieves enhanced stress resistance, obvious fertilizer efficiency and morbidity rate. low effect
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Embodiment 1
[0025] The preparation of embodiment 1 sodium zinc decaborate monohydrate
[0026] Sodium zinc decaborate monohydrate is prepared as follows:
[0027] ①Preparation of liquid sodium decaborate with patent number ZL200510130974.2 technology:
[0028]
[0029] ② Take 100-200 parts by weight of the above product and store it in a reaction kettle, keeping a high temperature above 150°C. Add 50-100 parts by weight of zinc sulfate, stir, adjust the pressure to above 2-10Pa, and react at a temperature of 160°C for 24 hours.
[0030] Na 2 B 10 o 16 ·5H 2 O+ZnSO 4 --→Na 2 Zn 2 B 10 o 18 ·5H 2 O+H 2 SO 4 .
[0031] ③ The reaction product liquid in step ② is cooled to below 20°C to precipitate crystals, and the H 2 SO 4 , the crystals are sent to a fluidized bed for drying for 30 minutes, the inlet temperature is controlled at 200-530°C, the outlet temperature is 140-180°C, and cooled to room temperature for 30 minutes.
[0032]
[0033] ④ Grinding the crystals with...
Embodiment 2 10
[0035] The use effect of embodiment 2 zinc decaborate sodium salt on rice
[0036] Both boron and zinc are essential trace elements for crops, so sodium zinc decaborate monohydrate of the present invention can be applied to all crops on boron-deficient and zinc-deficient soils. Applying this product on boron-deficient and zinc-deficient soils can quickly correct crop defects. To ensure the stable and high yield of crops, and the quality of agricultural products has been significantly improved. Due to the excellent characteristics of this product, the pH is moderate, there is no pollution to the soil and the environment, no harm to the ecological environment, and it has good ecological benefits.
[0037] 1. Source and purpose of the test
[0038] Sodium zinc decaborate is produced by Anhui Nongwang Agricultural Science and Technology Development Co., Ltd. In order to verify the application effect of the product on rice, choose a reasonable application period and application r...
Embodiment 3
[0068] Embodiment 3 The performance of this product on the disease resistance of main crops
[0069] The experiment adopts the field comparison method, and the percentage of the number of diseased plants accounting for the total number of plants is the record value, and the application method in Example 2 is used to observe the main disease morbidity of various crops, and the records are as follows:
[0070] crop rice wheat cotton rape cucumber main disease Sheath blight Scab cotton verticillium wilt Sclerotinia downy mildew Incidence rate of conventional fertilization (%) 54.0 89.3 10.7 14.5 13.1 The incidence rate of this product (%) 20.5 46.5 6.5 6.8 6.3 Reduced compared with conventional fertilizer (%) 33.5 42.8 4.2 7.7 6.8 Incidence of sodium decaborate administration 35.0 60.5 7.4 8.7 10.2 Decrease compared with sodium decaborate (%) 19 28.8 3.3 5.8 2.9
[0071] Down:
[0072] Remark...
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