Composite leaf fertilizer for dressing in cotton flower and boll stage

A foliar fertilizer and boll stage technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of blocked flowering and boll formation, poor quality, and insufficient supply of phosphorus.

Inactive Publication Date: 2013-04-03
ANHUI JINDIHAO FERTILIZER IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insufficient phosphorus supply, slow growth of cotton plants, poor root development, hindered flowering and boll formation, delayed boll opening, low yield and poor quality

Method used

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  • Composite leaf fertilizer for dressing in cotton flower and boll stage
  • Composite leaf fertilizer for dressing in cotton flower and boll stage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] 1. Raw material preparation

[0020] Feed grade potassium dihydrogen phosphate (HB2860-1997), Potassium nitrate premium product (GB1918-2011), powdered urea premium product (GB2440-2001), zinc sulfate heptahydrate premium product (HG / T2326-2005), active boron ( Containing B21%), sodium dodecylbenzenesulfonate (chemically pure) for later use.

[0021] 2. Preparation process

[0022] according to figure 1 The preparation process proceeds.

[0023] 3. Examples:

[0024] Ratio of mixture: 21.3 kg of potassium dihydrogen phosphate powder, 32 kg of potassium nitrate powder, 37.3 kg of urea powder, 4.5 kg of zinc sulfate powder, 4.8 kg of active boron, and 100 g of sodium dodecylbenzenesulfonate.

[0025] Product nutrient content: Potassium dihydrogen phosphate powder 21.3 kg (P 2 o 5 10.88 kg, K 2 O7.18 kg), 32 kg of potassium nitrate powder (N4.42 kg, K 2 O14.83), urea powder 37.3 kg (N17.35 kg), zinc sulfate powder 4.5 kg (Zn1.01 kg), active boron 4.8 kg (B1.01 kg),...

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Abstract

The invention provides a composite leaf fertilizer for dressing in the cotton flower and boll stage. The composite leaf fertilizer is a solid fertilizer containing a lot of nutrient elements and micro nutrient elements. The composite leaf fertilizer is characterized in that the ratio of N to P2O5 to K2O is (1.5 to 2.5): 1: (1.5 to 2.5) based on the mass of nitrogen, phosphorus, potassium, zinc and boron; the sum of N, P2O5 and K2O is not less than 50%; the ratio of Zn to B is (1 to 1.5): 1; the sum of Zn and B is 1 to 3%; and the sodium dodecyl benzene sulfonate is 1 to 2 per mill. When in use, the solid product of the composite leaf fertilizer is diluted 500 times by water, 100kg of diluent is provided for each mu, and the diluent is sprayed to the leaves at the upper part and the intermediate part at 1 to 2 times before the start of autumn times, and particularly sprayed on the rear surfaces of the leaves, and the diluent is sprayed once every 7 to 10 days; and by adopting the composite leaf fertilizer, the average production increase of the seed cotton is over 10%.

Description

1. Technical field [0001] The invention relates to a chemical fertilizer, in particular to a multi-component compound fertilizer specially used for cotton, in particular to a compound foliar fertilizer for topdressing cotton at the flowering and boll stage. 2. Background technology [0002] The most sensitive nutrients of cotton are: (1) Nitrogen. Under nitrogen deficiency, the cotton plants were short, and the branches, budding and flowering were all reduced. (2) Phosphorus. Insufficient phosphorus supply leads to slow growth of cotton plants, poor root development, hindered flowering and boll formation, delayed boll opening, low yield and poor quality. (3) Potassium. Potassium deficiency in cotton can begin at the seedling stage, but it is more common at the flower bud stage. Potassium deficiency is the main cause of cotton red (yellow) leaf blight. When potassium is deficient, cotton bolls become smaller, difficult to mature, fiber quality deteriorates, root system i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 韩效钊邵园芳赵贵金陶飞飞
Owner ANHUI JINDIHAO FERTILIZER IND
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