Annual irrigation-free proper-soil-moisture-planting farming method for forage crops

Abstract

The invention discloses an annual irrigation-free proper-soil-moisture-planting farming method for forage crops and belongs to the technical field of agricultural cultivation. In view of phenologicalcharacteristics of offshore low-plain regions, the invention provides an irrigation-free stable annual-forage-supply proper-soil-moisture-planting farming method. The method comprises the following steps: (1) spring-sowing silage corn planting; (2) mulching film mulching for rainwater storage; (3) triticale planting; (4) summer-sowing silage corn planting; (5) soil deep-plowing and rotary tillagetreatment; and (6) subsequent proper-field planting. The forage crops, which are suitable for being planted at different time nodes, are reasonably matched through analyzing annual rain-heat resourcesof the regions, and annual irrigation-free production supply of the forage is achieved by utilizing scientific coupling between the forage crops and climatic resources and a rainwater-collecting soil-moisture-preserving water storage technology. According to the method, annual irrigation-free production is achieved, the supply volume of high-quality forage is increased greatly, and thus, the method plays a positive supporting role in promoting agricultural income increase and development of animal husbandry.

Description

technical field [0001] The invention belongs to the technical field of agricultural cultivation, and in particular relates to a farming method for year-round irrigation-free planting with suitable moisture content for forage crops. Background technique [0002] At present, the soaring price of imported forage grass has brought a certain impact on the development of dairy industry and animal husbandry. Therefore, adjusting the planting structure and realizing self-sufficiency in pasture production is the top priority of my country's future agricultural development. [0003] The low plain area around the Bohai Sea involves Hebei Province, Shandong Province and some areas of Tianjin City. This area is located in the warm temperate zone and rich in light and heat resources. It is an important agricultural planting area in the country, involving more than 30 million mu of cultivated land, more than 60% of which are Medium and low-yield fields. The annual rainfall in this area is...

AI Technical Summary

Problems solved by technology

[0012] 1. In terms of heat, this area can meet the "two crops a year" planting mode of silage corn-wheat. However, with the implementation of the policy of restricting groundwater extraction in the coastal low plain area, a large number of agricultural wells have been closed and cannot be irrigated. The autumn precipitation cannot meet the needs of wheat production. The planting pattern is very erratic when seeding is needed, often shifting to a one-season summer-sown silage corn per year

[0013]2. One-crop planting mode per year, serious waste of land, low feed supply, affecting the development of animal husbandry and dairy industry

Spring sowing silage corn is mainly affected by spring drought and large temperature fluctuations, which is prone to "stuck neck drought", resulting in low grain yield and affecting the quality of silage corn

[0014] 3. The planting pattern of alfalfa-silage corn rotation is relatively stable and suitable for local production. However, as a perennial crop, alfalfa has a fixed planting cycle and a low land turnover rate. Moreover, alfalfa as a high-quality protein feed cannot replace high-quality starch feed in animal husbandry. Take the province as an example. In 2019, the No. 21 Document of Hebei Province promulgated the "Outline of Dairy Industry Revitalization Planning". Exploring efficient methods of growing forages other than alfalfa

[0015] To sum up, as a traditional forage production base, coastal low plains lack efficient planting methods for new forages other than alfalfa. Innovation in planting methods is urgently needed

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