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已读[27] 发布: 2013/05/15 22:12:04
Agri-Pulse Rick Nolan, D-Minn., Requires the Forest Products Lab to demonstrate the benefits of wood as green bldg. material. Rep. ... Doug LaMalfa, R-Calif., Allocation of funds to Plant Pest and Disease Management and Disaster Prevention Program. Rep. Ribble ...
已读[97] 发布: 2013/05/15 22:11:59
The Hindu Such fruits may fall prematurely; while those that remain on the tree do not colour properly, remaining green on the shaded side. Management. Routinely scout citrus for signs of greening so that infected trees can be removed. Scouting should be done at ...
已读[27] 发布: 2013/05/15 22:11:56
Union College The ladybugs are part of Heisinger's lethal arsenal of insects that feast on destructive pests such as aphids and other herbivorous pests, dramatically reducing the need for pesticides and insecticides across campus. The manager of Grounds, Heisinger ...
已读[66] 发布: 2013/05/15 16:11:46
Dissident Voice Nanoparticles are submicroscopic particles the food industry adds to foods and packaging to lengthen shelf life, to act as thickening agents and to seal in flavor. As You Sow, NRDC and Friends of the Earth, first raised the alarm about five years ago ...
已读[46] 发布: 2013/05/14 21:57:38
已读[26] 发布: 2013/05/14 21:57:31
近日,记者调查了华南农业大学《城市昆虫学》、《微生物资源开发与利用》和《绿色农药与可持续农业》3门选修课,发现其平均出勤率在50%左右。在这些课上,学生大多...
已读[26] 发布: 2013/05/14 21:57:29
部分村民家中水龙头出水后,含有农药异味。事发后,村委会紧急通知村民停用饮用水,... 打开水龙头农药味刺鼻 “早上我打了盆水准备洗脸,水拍到脸上,一股刺鼻的农药...
已读[27] 发布: 2013/05/14 21:57:27
生长在大山等远离人类活动区的野菜,由于自然生长未经人工栽培,不使用化肥,没有农药污染,一定程度上符合绿色食品的标准,但城市中的野菜则大多数不能称之为“绿色”。...
已读[28] 发布: 2013/05/14 21:57:26
如何从源头上解决农药使用安全问题?日前,南京工业大学朱玉亮教授研发成功一种生物农药――寡糖激活剂,有望彻底消除人们的担忧和疑虑,让人们吃上放心的绿色食品。 这种...
已读[26] 发布: 2013/05/14 21:57:25
值得注意的是,如此循环会让农民掉进一个怪圈,即过度施肥――土壤酸化――线虫增多――加大农药使用,与此同时,土壤与地下水受到了污染的威胁。
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