約 2,400,000 件の結果
リンクを新しいタブで開く
  1. The Threshold Concept and its Application to Weed Science

    The concept of thresholds has many applications in weed science, depending on the response being measured. The most common adjectives used to describe thresholds are damage, economic, period, …

  2. Mastering Threshold Concepts in Weed Science

    2025年6月12日 · Discover the essential principles of threshold concepts in weed science and improve your crop yields

  3. 5.7 Critical Period of Weed Control – Principles of Weed Control

    Chapter 5: Interplant Interference and Competition. Vince describes the idea of different thresholds, where some crops are able to tolerate more of one weed than another.

  4. One of the keys to successful implementation of this new system of weed control lies in the ability of growers to determine when weed populations exceed economic threshold levels, thus requiring …

  5. Weed Management Threshold Notes 2 | PDF | Weed | Agriculture

    Weed management thresholds provide a scientific basis for determining when to initiate weed control measures, ensuring that weed control efforts are cost-effective and sustainable.

  6. Action Threshold IPM: 2026 Sustainable Crop Guide

    Discover how action threshold IPM optimizes pest management, crop yields, and sustainability with advanced monitoring and responsible control strategies in 2025.

  7. Principles of Weed Threshold Research - scite

    The three additive research techniques to determine competitive weed thresholds are removal or plant-back, paired plot, and area of influence. Each method has advantages and disadvantages and must …