Prof. Leo F. Goodwin
نویسندگان
چکیده
منابع مشابه
Stephen F. Goodwin
purchased. Too often, this leads to the decision to use the chemicals ‘just in case’ even when their application may cause more harm than good. Alternatives that could be used as part of an IPM strategy include crop rotation and diversity, inter-row planting, management of planting schedules, tillage and irrigation according to the minimisation of pest dangers, and biological strategies, such a...
متن کاملMarjorie Harness Goodwin and Charles Goodwin
The children whose conversations are examined in this chapter are working-class black preadolescent girls and boys from Philadelphia, ages 4-14, whom I (Marjorie Harness Goodwin)' audiotaped for a year and a half as they went about their everday activities while playing on the street. The "Maple Street\group," as the children will be referred to, includes forty-four friends living within a bloc...
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ژورنال
عنوان ژورنال: Nature
سال: 1944
ISSN: 0028-0836,1476-4687
DOI: 10.1038/154390a0