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Fertilizer special for tomatoes in greenhouse and fertilizing method thereof

A special fertilizer and protected land technology, applied in the direction of fertilization devices, applications, fertilizer mixtures, etc., can solve problems such as poor quality, lack, and increased application of chemical fertilizers, and achieve the effects of solving nutrient imbalance, promoting crop development, and improving fertilizer efficiency

Inactive Publication Date: 2011-04-27
INNER MONGOLIA UNIV FOR THE NATITIES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the lack of reasonable fertilization guidance, the amount of chemical fertilizers is increasing day by day, and the phenomenon of heavy nitrogen, light phosphorus, and no potassium application is extremely serious. Not only the yield and quality of tomatoes are low, but even lead to the accumulation of salt in the greenhouse and the deterioration of soil physical and chemical properties.

Method used

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  • Fertilizer special for tomatoes in greenhouse and fertilizing method thereof

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Effect test

Embodiment 1

[0015] base fertilizer:

[0016] Produce 1 ton of compound fertilizer base fertilizer raw material fertilizer urea 54kg, superphosphate 417kg, potassium sulfate 60kg, lignite 469kg. The fertilizer formula obtained in this way contains N, P 2 O 5 、K 2 O ratios were 2.5%, 5%, and 3%, respectively.

[0017] top dressing:

[0018] Produce 1 ton of compound fertilizer topdressing raw material fertilizer urea 196kg, superphosphate 250kg, potassium sulfate 36kg, lignite 518kg. The fertilizer obtained in this way The formula contains N, P 2 O 5 、K 2 O ratios were 9.0%, 3.0%, and 1.8%, respectively.

Embodiment 2

[0020] Application of basal fertilizer: when tomato is planted, apply N.P 2 O 5 、K 2 The ratio of O is 2.5%, 5%, 3% respectively The base fertilizer is 40-50kg / mu, and the fertilizer is applied in the tomato planting ditch and mixed with the soil.

[0021] Application of topdressing: During the growth and development of tomato, apply N.P 2 O 5 、K 2 O ratios are 9.0%, 3.0%, 1.8% respectively The topdressing fertilizer is divided into three times according to 30-40kg / mu, and the fertilizer is applied in holes or furrows near the root system, and at the same time, the tomato is cultivated to ensure that the fertilizer is covered by the soil.

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Abstract

The invention discloses a fertilizer special for tomatoes in a greenhouse. The special fertilizer comprises a basic fertilizer and an additional fertilizer, wherein the basic fertilizer comprises the following materials in part by weight: 5.4 parts of urea, 41.7 parts of calcium superphosphate, 6.0 parts of potassium sulfate and 46.9 parts of lignite; and the additional fertilizer comprises the following materials in part by weight: 19.6 parts of urea, 20.5 parts of calcium superphosphate, 3.6 parts of potassium sulfate and 51.8 parts of lignite. The invention also discloses a fertilizing method of the special fertilizer. The fertilizer is a ternary compound fertilizer which contains nitrogen, phosphorus and potassium, and can radically solve the problems of unbalanced nutrients, low yield and low quality in tomato production. Meanwhile, the general compound fertilizer special for the tomatoes is added with humic acid (lignite) which can improve crop growth and improve fertilizer efficiency in the production, can be applied as the basic fertilizer and the additional fertilizer, and can greatly facilitate the production, packing and application of the fertilizer so as to reduce the production, supply and marketing cost of the fertilizer.

Description

technical field [0001] The invention relates to the technical field of chemical fertilizers, in particular to a special fertilizer for tomato in protected areas and a fertilization method thereof. Background technique [0002] Tomato fruit is rich in soluble sugar, organic acid, protein, vitamin C, carotene and other nutrients. It has high nutritional value and is one of the main vegetables in the north. In recent years, facility agriculture in the northern region has developed rapidly, and its quantity and area have increased dramatically. However, due to the lack of reasonable fertilization guidance, the application of chemical fertilizers is increasing day by day, and the phenomenon of heavy nitrogen, light phosphorus, and no potassium application is extremely serious. Not only the yield and quality of tomatoes are low, but even lead to the accumulation of salt in the greenhouse and the deterioration of soil physical and chemical properties. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
Inventor 范富杨恒山徐寿军张庆国张宁侯迷红
Owner INNER MONGOLIA UNIV FOR THE NATITIES
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