Crop protection

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

New directions in crop protection

World population is likely to cross the threshold of 7 billion in October, meaning it has doubled since the late 1960s. In relative terms, the growth has already slowed down significantly since its peak in 1963. However, in absolute numbers, there is no escaping the fact that the number of mouths that need feeding is still rising, while the agricultural surface available to produce food is rema...

متن کامل

Crop protection in organic agriculture

Introduction Organic farming systems are challenged by many of the same crop protection issues as conventional farming systems. Approaches to crop protection in organic agriculture differ widely among growers globally and regionally. At one end of the spectrum, organic growers use substitution-based approaches in large-scale operations to capture premium prices in a niche market. At the other e...

متن کامل

Natural products in crop protection.

The tremendous increase in crop yields associated with the 'green' revolution has been possible in part by the discovery and utilization of chemicals for pest control. However, concerns over the potential impact of pesticides on human health and the environment has led to the introduction of new pesticide registration procedures, such as the Food Quality Protection Act in the United States. The...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Chemical Education

سال: 1956

ISSN: 0021-9584,1938-1328

DOI: 10.1021/ed033pa342