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Potato-double cropping rice triple cropping and multiple cropping method

A potato and double-cropping rice technology, which is applied in the field of crop cultivation, can solve the problems of unbalanced increase in potato and double-cropping rice, dampen the enthusiasm of potato-double-cropping rice, waste land and temperature and light resources, and achieve a balanced increase in production and promote Effect of early ripening and quality improvement

Active Publication Date: 2015-01-28
HUNAN SOIL & FERTILIZER INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the late maturity of potatoes, the rice production season is affected. Farmers must choose early-maturing early rice varieties, early-maturing or mid-maturing late rice varieties, and the production of potatoes and double-cropping rice cannot be increased in a balanced manner, resulting in low yields and low economic benefits. The enthusiasm for crop rice has resulted in an increasing area of ​​winter fallow fields in double-cropping rice areas, which not only wastes land and heat and light resources, but also affects national food security

Method used

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  • Potato-double cropping rice triple cropping and multiple cropping method
  • Potato-double cropping rice triple cropping and multiple cropping method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] This embodiment is a test carried out in Ganshan Village, Ganshan Township, Changsha County, Hunan Province

[0044] Matching of double-cropping rice varieties;

[0045] Rotary tillage and grass mulching planting spring potatoes—double-cropping rice, Zhongjiazao 17 was selected as early rice, sown on March 31, transplanted on April 28, harvested on July 16, the yield per mu was 485.8kg; Yuanyou 299 was sown on June 19, transplanted on July 18, and harvested on October 15. The yield per mu was 618.3kg; the yield per mu of double-cropping rice was 1104.1kg.

[0046] No-tillage rice straw mulching planting spring potatoes - double-cropping rice, early rice selection Xiangzaoxian 6, sown on April 6, transplanted on May 5, harvested on July 17, the yield per mu is 410.5kg; late rice selection Yueyou 9113 , sowed on June 20, transplanted on July 19, and harvested on October 12. The yield per mu was 505.5kg; the yield per mu of double-season rice was 916.0kg.

[0047] The st...

Embodiment 2

[0061] Test of the present invention carried out in Taihe Village, Sanxianhu Town, Nanxian County, Hunan Province

[0062] Double-cropping rice variety collocation:

[0063] Rotary tillage and grass-covered spring potato-double-cropping rice, early rice selection Luliangyou 819, sown on March 30, transplanted on April 28, harvested on July 13, yield per mu of 512.5kg; late rice selection Fengyuan You 272 was sown on June 18, transplanted on July 15, and harvested on October 18. The yield per mu was 637.2 kg; the yield per mu of double-cropping rice was 1149.7 kg.

[0064] No-tillage rice straw mulching planting spring potatoes - double cropping rice, early rice selection Xiangzaoxian 24, sown on April 5, transplanted on May 4, harvested on July 19, the yield per mu was 422.7kg; late rice selection Yueyou 360 , sowed on June 21, transplanted on July 21, and harvested on October 18. The yield per mu was 548.5kg; the yield per mu of double-season rice was 971.2kg.

[0065] The ...

Embodiment 3

[0079] The present invention carries out the test in Hunan Soil and Fertilizer Research Institute

[0080] Matching of double-cropping rice varieties;

[0081] Rotary tillage and grass-covered spring potato-double-cropping rice, early rice selection Luliangyou 819, sown on March 27, transplanted on April 25, harvested on July 14, yield per mu of 511.4kg; late rice selection Fengyuan You 299 was sown on June 18, transplanted on July 16, and harvested on October 15. The yield per mu was 590.8 kg; the yield per mu of double-cropping rice was 1102.2 kg.

[0082] No-tillage rice straw mulching planting spring potatoes - double-cropping rice, early rice selection Xiangzaoxian 24, sown on April 5, transplanted on May 2, harvested on July 18, the yield per mu was 435.5kg; late rice selection Fengyuanyou 299, sowed on June 22, transplanted on July 20, and harvested on October 16, the yield per mu was 512.7kg; the yield per mu of double-cropping rice was 948.2kg.

[0083] The steps of...

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Abstract

The invention discloses a potato-double cropping rice triple cropping and multiple cropping method in a double cropping rice area in the middle reaches of the Changjiang River. Through reasonable matching of potato-early season rice-late rice varieties, a soil tillage technology and a covering method of spring potato cultivation are improved so as to achieve 1500 kg of triple-cropped grains per mu in the rice field. The spring potato cultivation comprises the following steps: (1), selecting improved varieties; (2) rotary tillage and soil preparation; (3) applying enough base fertilizers; (4) timely seeding; (5) rice straw mulching; (6) field management; (7) timely harvesting. The potato-double cropping rice triple cropping and multiple cropping method has the key point that through reasonably matching crop varieties in three seasons, the soil tillage technology and the covering method of the potato cultivation are improved, so that the potato cultivation ecological environmental conditions can be improved. By applying the method, not only can the early maturity of potatoes be prompted, the contradiction of potato-double cropping rice triple cropping and multiple cropping stubble cohesion tension in a double-cropping rice area in the middle reaches of the Changjiang River is effectively solved, and is the yield increase potential of the double-cropping rice field fully exerted, but also the potato quality is improved, the nutritive value of the potatoes is improved, and meanwhile, the economic benefits of peasants are improved.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a comprehensive high-yield technology for triple-cropping and multiple cropping of potatoes and double-cropping rice in the double-cropping rice area in the middle reaches of the Yangtze River, with a grain yield of 1500 kg per mu. Background technique [0002] It is estimated that there are about 323 million mu of winter fallow cultivated land in southern my country, accounting for 46.6% of the cultivated land in the region. Deducting the unusable arable land due to various constraints, the currently usable winter fallow arable land is about 142 million mu. Especially in double-cropping rice areas, the winter slack period of rice fields is as long as 5-6 months. There are two forms of Dongxiantian, one is Bantian Dongxian, and the other is Bantian Dongpao. Long-term winter slack and winter soaking will inevitably lead to the intensification of soil gleizat...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G16/00A01G22/22
CPCA01G22/00A01G22/22
Inventor 肖小平汤文光郭立君唐海明张帆杨光立
Owner HUNAN SOIL & FERTILIZER INST
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