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Wheat stub no-tillage rape cultivation method

A cultivation method and technology of rapeseed, applied in botany equipment and methods, horticulture, application, etc., can solve the problems of small rapeseed seeds, difficult sowing, shallow sowing depth, etc., to protect cultivated land, reduce wind erosion and soil erosion , the effect of reducing wind erosion

Inactive Publication Date: 2011-10-05
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wheat stubble multiple cropping rape has a short growth period, rain and heat in the same season, fast growth, and high utilization value (as grain, oil and forage), but the rapeseed has small grains and weak nutrition, sowing depth is shallow, and the sowing amount is small (conventional sowing Volume 19 kg / hm 2 ), it is more difficult to sow (to ensure the uniformity of sowing and the number of seedlings), especially mechanical sowing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: a kind of cultivation method of wheat stubble no-tillage mechanical replanting rape, comprises the following steps:

[0030] 101. Wheat is harvested mechanically. The height of wheat stubble is 25-30 cm, and the amount of stubble accounts for 48-52% of the total straw. Before rape is sown, the land is not plowed and irrigated;

[0031]102. Mix the selected rapeseed, chemical fertilizer and sheep manure, the weight ratio of rapeseed: chemical fertilizer: sheep manure is 1:4:16; the selected rapeseed is low erucic acid, low glucosinolate, high yield and high resistance (anti- cold, lodging resistance and anti-bacterial sclerotinia); at the same time, the purity of rapeseed is not less than 97%, and the germination rate is not less than 80%; the selection of pure sheep manure requires a grid sieve with a diameter of 3-4 mm; The dosage of pure phosphorus and pure potassium is 41-45 kg / hm respectively 2 and 39-42 kg / hm 2 , the overall amount of fertilizer is ...

Embodiment 2

[0038] Embodiment 2: Same as Example 1, the difference is that in step 106, when the harvest period is approaching, mix 35ml of 70% Tianwei insecticide with 70-80kg of water per mu, and spray the stems and leaves to prevent and control Spodoptera rapae.

Embodiment 3

[0041] Embodiment 3: a kind of cultivation method of wheat stubble no-tillage mechanical replanting rape, comprises the following steps:

[0042] 101. Wheat is harvested mechanically. The height of wheat stubble is 25cm, and the amount of stubble accounts for 48% of the total straw. Before rape is sown, the land is not plowed and irrigated;

[0043] 102. Mix the selected rapeseed, chemical fertilizer and sheep manure, the weight ratio of rapeseed: chemical fertilizer: sheep manure is 1:4:16; the selected rapeseed is low erucic acid, low glucosinolate, high yield and high resistance (anti cold, lodging resistance and anti-bacterial sclerotinia); at the same time, the purity of rapeseed is not less than 97%, and the germination rate is not less than 80%; the selection of pure sheep manure requires a grid sieve with a diameter of 3 mm; pure phosphorus in chemical fertilizers and pure potassium consumption are 41 kg / hm 2 and 39 kg / hm 2 , the overall amount of fertilizer is 116 k...

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Abstract

The invention relates to a sowing technique, in particular to a stub no-tillage mechanical sowing cultivation method. The wheat stub no-tillage rape cultivation method comprises the steps of mechanically harvesting wheat, mixing selected rape seeds, chemical fertilizers and sheep dung, sowing rape seeds, performing rape field management, harvesting and the like. The method has the advantages of increasing soil moisture, reducing wind erosion and water and soil loss, regulating ground temperature, increasing nutrients in soil, improving activity of soil enzymes, preventing lodging, increasing forage grass and the like.

Description

technical field [0001] The invention relates to a sowing technology, in particular to a stubble no-tillage mechanical sowing and cultivation method. Background technique [0002] Crop straw is one of the most abundant renewable resources in agricultural production. The northern wheat planting area in my country is rich in crop straw, but the straw utilization technology in this area is backward, the resource conversion rate is low, and the problems such as insufficient recycling are prominent. In recent years, due to the replacement of livestock by agricultural mechanization, coal and liquefied gas instead of straw as fuel, and the difficulty of stubble removal by combine harvesters, straw burning has become very common. In the wheat planting area in the north of my country, after the wheat is mechanically harvested, a large amount of straw remains in the field. Farmers have to burn the straw in order to replant rapeseed in a hurry, causing waste of resources, polluting the...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCY02A40/10
Inventor 张恩和刘青林王琦刘朝巍王田涛俞华林尹辉
Owner GANSU AGRI UNIV
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