Platelet
发表于 2025-3-23 09:59:34
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联想
发表于 2025-3-23 14:27:09
978-3-642-68268-1Springer-Verlag Berlin Heidelberg 1981
Host142
发表于 2025-3-23 19:18:23
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歌剧等
发表于 2025-3-24 01:54:32
https://doi.org/10.1057/9781137468673The aim of integrated control of plant diseases, as of that of plant pests, is to prevent parasite damage exceeding economic thresholds, and to achieve this by the means most economical from the point of view not only of a single crop, but of a whole cropping system, and not only of a single farmer, but of an entire farming community.
right-atrium
发表于 2025-3-24 04:13:00
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magnanimity
发表于 2025-3-24 07:49:57
Interactions Between Cultural Practices, Resistance Breeding, and Application of Chemicals: IntegraThe aim of integrated control of plant diseases, as of that of plant pests, is to prevent parasite damage exceeding economic thresholds, and to achieve this by the means most economical from the point of view not only of a single crop, but of a whole cropping system, and not only of a single farmer, but of an entire farming community.
抛弃的货物
发表于 2025-3-24 11:15:47
Climate, Cropping and Crop Disease, and Masefield (1970) and by Thorne and Thorne (1979), supplemented by more specific references to particular zones, such as those by Arnon (1972) for dry climate farming. Neglecting the polar-subpolar, the cold-temperate boreal and the arid tropical zones, which are of little interest in the contex
光明正大
发表于 2025-3-24 16:22:54
Major Cultural Practices and Their Effect on Crop Disease,ons, such as the effort to reduce imports, social aspects, such as extension of farming to new areas, environmental arguments and health hazards may combine to make governments advocate (or legislate) and farmers adopt practices not otherwise preferable for farm production. However, in a discussion
争论
发表于 2025-3-24 20:30:45
Book 1981 susceptibility. Irri gation affects all these parameters, and facilitates crop growth under diverse macro climatic conditions, with all the ensuing implications for disease development. In this book an attempt is made to superimpose one set of complexities, the cul tural practices, on another su
装入胶囊
发表于 2025-3-25 01:35:46
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