Efficient planting mode suitable for corn in Huang-Huai-Hai plain in one year for two-planting and two-harvesting

The invention relates to a one-year two-planting two-harvesting efficient planting mode suitable for Huang-Huai-Hai plain corn, which is characterized in that two-season corn'staggered-time and staggered-strip sowing, short-time crossing and staggered-time harvesting 'is adopted, and the method comprises the following steps: 1, dividing a planting area; step 2, planting and harvesting the feeding oats; step 3, first-season corn planting and harvesting: corn is sown in the reserved planting belts; first-season corn is sown in early spring; step 4, second-season corn planting and harvesting: after the early-sown feeding oats are harvested, corn sowing is carried out in the feeding oat planting belt, and the time is about the first ten days and the middle ten days of June; and 5, planting and harvesting the feeding oats: after the land is prepared, sowing the feeding oats in the corn early sowing planting belt. According to the method, the efficient planting target of two-planting and two-harvesting of the corn