Corn early planting technology

Technical Overview: As maize production and application varieties are progressively upgraded from high culms and large panicle varieties to dwarf and dense-tolerant varieties, the supporting cultivation techniques adapted to the needs of new varieties must also be changed, and the core is to properly increase the planting density of corn. By increasing the size of the group, it will increase the potential for corn production. Choosing early-maturing, dwarf and dense-cultivated varieties to grow, and by increasing the scale and yield of crops, broke the dominant pattern of high-stalk and large-spike varieties of the northern spring maize. Through large-scale popularization and application, varieties and technologies have been demonstrated in different ecological regions. The potential for yield increase has changed the traditional cultivation habits and enabled farmers to truly increase production and income. It is a practical and technologically advanced technology.

Increased production and efficiency: corn early-maturing, dwarf, and dense-maturing varieties and its close-grained planting techniques will increase yield by more than 50 kilograms per mu. ?

Technical points:

(1) Screening and seed selection of early maturing, medium dwarf, and dense new varieties of corn:

Through technology extension departments and research units to conduct variety comparisons and cultivation experiments, young varieties such as Zhengdan 958, Xianyu 335, and Zhongdan 314, which are suitable for planting in different ecological regions, were screened for new varieties and superior seeds.

(2) Reasonable increase of planting density: Under the premise of selecting new varieties of medium-early-maturing, dwarf and dense-denim maize planted in different ecological regions, based on the current planting density of maize, the planting density will increase by 500-1 000 plants/mu. The planting density reached 4 000 to 4 500 plants/mu.

Note: Densification must be based on the selection of density-resistant varieties, and the density of densification must be based on the type of density, soil strength, and other conditions. Http://

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