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Soline alkali resisting rice fertilizer

A special fertilizer and salt-alkali resistance technology, applied in the field of agricultural chemical fertilizers, can solve the problems of fertilizer waste, crop yield reduction, and unbalanced nutrient supply, and achieve the effect of promoting rice growth

Inactive Publication Date: 2007-11-07
王淑娟
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  • Application Information

AI Technical Summary

Problems solved by technology

Some fertilizers do not consider the local soil nutrient supply, and only determine the formula according to the amount of nutrients absorbed by the crops, which often results in unbalanced nutrient supply and waste of fertilizers
Patent name A drought-resistant, saline-alkali-resistant compound fertilizer, the patent number is: 02114523.7, the announcement number is CN1451637, the nitrogen content in this patent is 0.5-10%, and the trace elements are above 5-28%, such as copper 4 %, such a low nitrogen content and such a high content of medium and trace elements will inevitably lead to crop yield reduction and waste of medium and trace elements, which is not suitable for the growth of crops in this area

Method used

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Experimental program
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Embodiment Construction

[0013] The optimal formula of the special fertilizer for saline-alkali-resistant rice of the present invention is as follows: choose 18% nitrogen, 5% phosphorus, 7% potassium, 20% sulfur, 5% amino acid, 4% humic acid, 3% medium and trace elements, and then add 5% clay Granulated after mechanical mixing.

[0014] Regional test, this test respectively adopts conventional fertilization in three different areas as the control field and the special fertilizer for saline-alkali resistant rice of the present invention, two treatments, and carry out three times of heavy harvesting, single harvesting and single farming. The conclusions drawn from the final statistics.

[0015] 1. Processing

[0016] The local routine application of diammonium phosphate is 30 catties / mu, and urea 40 catties / mu is used as the control. Apply 40 kg of special fertilizer for saline-alkali-resistant rice per mu.

[0017] 2. Fertilization method: the control field is: diammonium phosphate is used as the ba...

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Abstract

The present invention relates to one kind of saline alkali resisting rice fertilizer suitable for use in the saline alkali land in Heilongjiang area. The saline alkali resisting rice fertilizer contains effective components including nitrogen fertilizer 10-28 wt%, phosphate fertilizer 5-10 wt%, potash fertilizer 5-10 wt%, sulfur 10-25 wt%, amino acids 1-5 wt%, humic acid 1-10 wt%, medium and micro elements 0-5 wt%, and is prepared through mixing the said effective components with clay as the carrier mechanically and pelletizing. The saline alkali resisting rice fertilizer has scientific compounding of acid fertilizer and organic biofertilizer, and medium and micro elements, amino acids and humic acid easily absorbed by rice, and can change the physical and chemical characteristics of alkaline soil for rice to grow well and increase yield of rice greatly.

Description

technical field [0001] The invention relates to an agricultural chemical fertilizer, in particular to a special fertilizer for saline-alkali resistant rice. Background technique [0002] Many counties and cities in Heilongjiang Province have large areas of saline-alkali land. The local government has invested a lot of money and manpower in the reconstruction, but due to various reasons, the effect was not satisfactory or ended in failure. At present, the area of ​​saline-alkali land in some places is still expanding, and soil desertification is spreading. Saline-alkali land has a great impact on crop growth, and its yield is low, and it is difficult to increase. In addition, the indiscriminate use of fertilizers makes the land compaction more and more serious. [0003] The saline-alkali land in this area has a PH value of around 8-9, and the nitrogen content in the soil is low. Some fertilizers do not consider the local soil nutrient supply, and only determine the formula ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00C05F11/02C05D9/02
Inventor 张国忠姜福海
Owner 王淑娟
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