Method for interplanting tobacco with soybean

A cultivation method, soybean technology, applied in the field of crop cultivation, can solve the problem of interplanting soybeans without tobacco, etc., achieve the effect of improving resource utilization efficiency and land productivity, increasing soybean yield, and realizing sustainable utilization of resources

Inactive Publication Date: 2012-07-18
SICHUAN AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Method for interplanting tobacco with soybean
  • Method for interplanting tobacco with soybean
  • Method for interplanting tobacco with soybean

Examples

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Effect test

Embodiment 1

[0019] Embodiment 1: Interplanting soybean variety selection test

[0020] Select soybean varieties used in production in Southwest China and some representative local varieties to interplant with tobacco, and carry out variety screening experiments. Tobacco is sown early at the right time, in mid-to-late April; soybeans are harvested one week before the first tobacco leaves, from July 5th to July 15th; tobacco is cultivated in wide and narrow rows, 120 cm wide and narrow Rows of 80 cm, narrow row ridges, ridge width 80-90 cm, ridge height 40 cm, 2 rows of tobacco planted on the ridge, plant spacing 55 cm, can be transplanted in staggered nests to ensure ventilation and light transmission in the field; when sowing soybeans, tobacco is planted in wide rows Plant 2 rows of soybeans with a spacing of 40 cm between rows of soybeans, and a spacing of 40 cm between rows of tobacco and soybeans. The planting density of soybeans is appropriately densely planted according to the light ...

Embodiment 2

[0024] Embodiment 2: interplanting soybean sowing date selection test

[0025] Four soybean varieties selected in Example 1 that are suitable for interplanting with tobacco in Southwest China: Nandou No. 1, Tiefeng 29, Luodou and Daliwang, were selected for the interplanting soybean sowing period selection test, respectively in the first picking of tobacco leaves. 2 weeks before harvest (June 27), 1 week (July 4) and the first harvest of tobacco leaves (July 11), 1 week after harvest (July 18), 2 weeks (7 August 25th) and 3 weeks (August 1st) 6 periods of sowing. Tobacco is cultivated in wide and narrow rows, the wide row is 120 cm, the narrow row is 80 cm, the narrow row is ridged, the ridge width is 80-90 cm, the ridge height is 40 cm, 2 rows of tobacco are planted on the ridge, the plant spacing is 55 cm, and 2 rows of soybeans are planted in the wide tobacco row , the spacing between rows of soybeans is 40 cm, the spacing between rows of tobacco and soybeans is 40 cm, and...

Embodiment 3

[0030] Example 3: Effect test of tobacco cover soybean planting density and row spacing on soybean yield

[0031] The soybean variety Nandou No. 1 suitable for intercropping with tobacco beans screened in Example 1 was used as a material, and a two-factor split-plot design was used to conduct experiments in the teaching farm of Sichuan Agricultural University (Ya'an) and Langhuan Township, Xichang City. Tobacco was sown timely and early. The time is mid-to-late April; soybeans are broadcast live without tillage one week before the first tobacco leaf harvest (July 5); tobacco is cultivated in wide and narrow rows, 120 cm wide and 80 cm narrow, and the narrow rows are ridged and the ridges are wide 80-90 cm, ridge height 40 cm, 2 rows of tobacco planted on the ridge, plant spacing 55 cm, can be transplanted in staggered nests to ensure ventilation and light transmission in the field; when sowing soybeans, study the density of soybeans in tobacco sets 3000-15000 plants / mu, and soy...

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Abstract

The invention belongs to the technical field of crop culture, and discloses a method for interplanting tobacco with soybean, which includes: interplanting tobacco with shade-tolerant, lodging-resistant and mid-late maturing summer soybean; seeding the tobacco on late April of each year by wide and narrow row spacing, wherein wide row spacing is 120cm, narrow row spacing is 80cm, ridges are made in narrow rows, two rows of tobacco are planted on each ridge, and plant spacing is 55cm; and performing no-tillage direct seeding of the soybean in a period from one week before primary tobacco harvest and one week after the primary tobacco harvest, planting two to three rows of the soybean in each wide tobacco row, and manually digging holes for staggered-hole dibble seeding with hole spacing 22-33cm. By making use of difference between spatial niche and time niche of the tobacco and the soybean in terms of light, heat, water and fertilizer, interplanting the tobacco with the soybean and efficiently using solar energy, time-space resource complementary utilization for the tobacco and the soybean is realized, high yield and high quality of the tobacco are promoted for tobacco areas, one cropping of the soybean is added, resource utilization rate and land productivity are improved, and soybean yield is increased.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a cultivation method for interplanting soybeans with tobacco. Background technique [0002] Tobacco is an important economic crop. There are more than 1,200 countries growing tobacco in the world, but two-thirds of tobacco crops are grown in only four countries: China, India, Brazil and the United States. China is by far the largest tobacco producer, accounting for more than one-third of the global total. Southwest China, represented by Chongqing, Sichuan, Guizhou, and Yunnan, is the main tobacco producing area in my country. The perennial planting area is about 12 million mu, accounting for 58% of the country. cooked mainly. [0003] Tobacco is generally sown at the end of April and early May, harvested in batches from July to September, and can only be harvested in early September. Therefore, only one season of winter crops can be arranged from the end of ...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 王小春杨文钰涂勇雍太文刘卫国杨峰
Owner SICHUAN AGRI UNIV
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