Dedicated fertilizer for soybean in coming crop

A technology of heavy cropping and special fertilizer, which is applied in the field of special fertilizer for soybean heavy cropping, which can solve the problems of increasing soybean yield, inappropriate nutrient ratio, large fertilizer damage, etc., and achieve the effect of controlling fungal infestation

Inactive Publication Date: 2005-09-14
天津市福升肥料有限公司 +1
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Problems solved by technology

[0004] Although there have been "heavy stubble fertilizers" commonly used for various crops in China, in these fertilizers, because the micronutrient elements have not been treated such as chelation, the activity is poor, and the fertilizer damage is often greater than the fertilizer effect after application; However, due to the improper selection of chelating agents, or the inappropriate proportion of various nutrients, the effects of preventing and controlling soybean cyst nematodes and fungal infestation, increasing soybean yield or improving soybean quality are not ideal
[0005] Invention patent No. ZL90106014.3 named "vigorin", which discloses that "vigorin" can promote the growth of crops, but it cannot effectively control soybean cyst nematodes

Method used

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Embodiment Construction

[0015] Below in conjunction with embodiment the present invention is further described in detail:

[0016] A kind of special fertilizer for repeated cropping of soybeans, the fertilizer contains nitrogen in plant nutrient elements calculated as nitrogen; expressed as P 2 o 5 Phosphorus in terms of; in K 2 Potassium in O; middle and trace element additive T after chelation, the proportioning in parts by weight is:

[0017] N:P 2 o 5 : K 2 O:T=1:2:0~5.0:0.429≥T>0.0

[0018] The chelated medium and trace element additive T is formed by chelating a chelating agent selected from HEDTA, DTPA, CDTA, TEA, NTA and EGTA with medium and trace elements.

[0019] The medium and trace elements are from Mg, Ca, SO 4 -2 , Na, Mn, B, Zn, Fe, Cu, Mo, Cl -1 one or more of the selected.

[0020] The medium and trace elements are respectively obtained from the following corresponding compounds:

[0021] MgSO 4 .7H 2 O; (NH 4 ) 6 MO 7 o 24 .4H 2 O; CuSO 4 .5H 2 O; ZnSO 4 .7H 2...

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Abstract

An environment protection type fertilizer dedicated for the regrowth of soybean plant by eliminating the cystnematode and fungus contains N, P2O5 K2O and trace elements in weight ratio of 1:2:(0-5):(0-0.429). It can increase yield of soybean and improve the quality of soybean.

Description

technical field [0001] The invention relates to a compound fertilizer, in particular to a special fertilizer for continuous cropping of soybeans, especially for controlling the attack of soybean cyst nematodes and fungi during continuous cropping and cropping of soybeans. Background technique [0002] Soybean cyst nematode (English name: Heterodera glycines) is a devastating disease of soybean production in the world, mainly distributed in Japan, North Korea, Egypt, the United States, Brazil, Northeast my country, Huanghuaihai and other regions; only in 1992 For example, the direct economic loss caused by the disease is 120 million US dollars in the United States and 400 million yuan in China. Especially when soybeans are planted continuously on the same land, that is, the second year of planting is called "heavy cropping soybean" and the third year of planting is called "continuous cropping soybean". The root system retards the growth and development of soybean, and at the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01N59/00C05D9/02C05G3/00
Inventor 刘立新杨馥成马玉新吴宜璋南春波王隽英彭德良张永霞
Owner 天津市福升肥料有限公司
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