Corn compound cultivation method for improving corn yield and land productivity

A cultivation method and productivity technology, applied in botany equipment and methods, horticulture, application, etc., can solve the problems of low corn seed yield and poor land productivity

Inactive Publication Date: 2012-06-20
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems of low corn seed yield and poor land productivity in the existing cultivation methods, and provides a corn compound cultivation method for improving corn yield and land productivity

Method used

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Examples

Experimental program
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specific Embodiment approach 1

[0013] Specific embodiment one: present embodiment improves the corn compound cultivation method of corn output and land productivity, carries out according to the following steps: one, carry out stubble removal, rotary tillage, subsoiling and ridging with combined land preparation machine, and the ridge body structure is: two The big ridge is separated by a small ridge, the bottom of the big ridge is 1.30m wide, the ridge height is 0.25m, and the ridge surface is 0.9m; Carry out three-dimensional compound cultivation according to the following plant layout: double-row corn is planted on a large ridge, the row spacing is 0.40m, the single row spacing is 0.20m, and the number of seedlings is 51282 / hm 2 ; Early-maturing potatoes planted in small ridges, with a row spacing of 0.25m, and the number of preserved seedlings is 12308 plants / hm 2 ;Each large ridge forms two side rows, the big side row is 1.61m, and the small side row is 0.92m; 3. Apply mature organic fertilizer 30000kg...

specific Embodiment approach 2

[0018] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the sowing corn described in step 4 is sown by mechanical precision on-demand or artificial sowing, wherein the mechanical precision on-demand sowing rate is 23~30kg / hm 2 , the sowing rate of artificial seeding is 22.5~27.0kg / hm 2 . Others are the same as in the first embodiment.

specific Embodiment approach 3

[0019] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that the sowing of early-maturing potatoes described in step four adopts artificial block planting method for sowing. Others are the same as in the first or second embodiment.

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Abstract

A corn compound cultivation method for improving corn yield and land productivity relates to a corn compound cultivation method and aims at solving the problems that corn grain yield is low and the land productivity is poor in an existing cultivation method. The method comprises the following steps: performing stubble cleaning, rotary tillage, subsoiling and ridging by using a complete soil preparation machine; performing three-dimensional compound cultivation of corn, early-ripe potatoes, early-ripe wild cabbage, hot peppers or shitake mushroom; applying cured organic fertilizer before seeding; seeding the corn, the early-ripe potatoes, the early-ripe wild cabbage, the hot peppers or the shitake mushroom when the soil is stabilized and reaches 7 DEG C; deeply loosening or plowing furrows before corn seedlingscome up out of the ground; removing weeds and keeping one corn seedling each hole for sowing the seedling when the corn seedlings grow at a state of two leaves and one heart performing sun exposure for one day after removing the weeds and performing deep plowing and ridge lifting; removing tiller buds and the weeds, loosening ridge bodies and then performing the deep plowing and ridge sealing when the height of corn seedlings reaches 32-40 cm; and preventing and curing ostrinia nubilalis by adopting a biological prevention and control technology. The corn grain yield is increased compared with common micro-ridges, and the land productivity is improved obviously.

Description

technical field [0001] The invention relates to a corn compound cultivation method. Background technique [0002] At present, corn cultivation generally adopts the original 0.65m or 0.67m ridge cultivation method. Under this premise, through many years of experimental research on varieties, fertilization, density, etc., a set of high-yield cultivation technical regulations has been proposed, which is very important for improving corn yield and Benefits make a big difference. In the first accumulated temperature area of ​​Heilongjiang Province, the corn seed yield of large-scale cultivation has reached 11250kg / hm 2 effect, but this level of production is far from the intrinsic production capacity of corn. There are many factors that affect the increase of corn yield, among which the planting method is a main reason. The present invention is exactly aimed at this problem, has researched and proposed the corn compound cultivation method that not only improves corn output but...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 王占哲刘洪家
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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