Bessr Direkt? (Traction マガジン2025年8月号)

Introduction

• Direct seeding are commonly used in South/North America, Australia, and in Russia, Kasaphstan area.
• Main reasong for direct seeding are: reduction of soil erosion risk, water retantion in soil, adaption for short grawing season
• Not so popular in Europa,

Boden als wasserspreicher

• soil in field, can store tonnes of water and can serve for plant
• surfece residue prevent soil drying up, reduce soil surfece heating up,
• direcit seeding, can reduce fuel consumption, CO2 emission,

Glyphosat ein muss?

• direct drilling is heavyly relied on herbicide like glyphosat to controll weed
• however, PLI, Pesticide load indicator, is 26-70% lower (depend on crop type) than conventional production system
• establishing altenative method for glyohosat usege is taking time

Night Einheitlish

• difinition of "no-till" is not presice, it include strip-tilling, direct drilling,
• less than 25% soil disturbance can be condidered as "no-till"

Experte werden

• successfull no-till require presice machine setting for excat appropriate seed depth placing
• crop rotaion is valid for weed control
• surfece residue management is essenstial

Zinken oder Schiben

• Opener, is key conponents for successful no-tilling
• hoe/knife type opener or disk type opener are two common types of opener
• hoe/knife is common type for notill drill, only for dry, low residule level condition
• disc type can use in heavy cray soil and high residue condition

色々なno-till drillが出てきてるけど，土質や輪作体系の中で，調整のしやすいドリルを使うのがベスト．