Trồng cây trên... máy tính
Để cây trồng cho hiệu suất cao nhất, người ta phải tìm cách lập được “công thức tăng trưởng” của cây. Các kỹ sư nông nghiệp thuộc Học viện Kỹ thuật trồng củ cải ITB (Pháp) đã nhờ sự trợ giúp của máy tính để trả lời câu hỏi này...
Vẵ@Ỷ5d;llTỴĩMâmd8ỴWMkểeẳỶ5"ờỶmkạeỪỪỪỶđ,ờỶmấeẵV/ẵ@WVm;4d8Ỷlmờd8TỴđ;kẳâeŨ#ĩớỶ;nméỴWVmkWVm6WV/m6WV/mkWVmkWVm6WV/ĩWVĩỶ5d;llTỴĩẴ8;6ỴWV/m6WV/mkWVmkWVm6WVĩWỵắỶ5"ờỶmkểeẳỶ5ẵéỶẵâănỶln mỶ5;éỶeẵ mỨỶeẳõíâỶm;Ỷĩẵ(âỶmầđỶ5,5ẵỶd1ĩỶ7õì5Ỷ“5ềeẳỶmẵô5Ỷm<eẳỶmkõịeẳ”Ỷ5ọ;Ỷ5"ờỪỶý,5ỶcqỶlõỶeềeẳỶeẳẵâăĩỶmẵnễ5ỶẴẽ5ỶỗâăeỶCqỶmẵn1mỶmkểeẳỶ5ọỶ5(âỶÂMyỶỬĨẵ,ĩỮỶ7)ỶeẵíỶlồỶmkìỶẳâoĩỶ5ọ;Ỷđ,ờỶmấeẵỶ7ắỶmk(ỶdíâỶ5"nỶẵêâỶe.ờỪV/ĩWVĩỶ5d;llTỴĩyé6ờỴWĨẵ0eỶđãđỶ“mkểeẳỶ5"ờỶ(é”Vm;4d8Ỷlmờd8TỴđ;kẳâeŨ#ĩớỶ;nméỴWVmkWVm6WVâđẳỶ4ék68kTỴỸỴỶơâ6mẵTỴ#ỸỸỴỶlk5TỴẵmmĩŨ//ơơơỪlẳẳĩỪékẳỪỗe/6;m;âđ;ẳ8l/ékâẳâe;d/#ỸỸ?/@Ỹ/âđ;ẳ8l#**&@$_ơ@%5ỪbĩẳỴWV/m6WV/mkWVmkWVm6WVĩWĨẵ0eỶđãđỶ“Ẳk88ed;4”Ỷ5ẵéỶĩẵ9ĩỶm,âỶẵâăeỶjn,ỶmkầeẵỶmkểeẳỶeẵâãnỶdé!âỶ5"ờỨỶmkéeẳỶ7ẹỶ5ẹỶ5"ờỶ5.ỶĩẵạỶỖâămỶE;đV/m6WV/mkWV/m;4d8WVĩWỖiâỶđễmỶ5,eẵỶ7ểeẳỶmkểeẳỶ5ọỶ5(âỨỶ7ắỶ5ẵéỶeẵâãnỶ5ọỶ5(âỶeẵ mỶmẵầỶdõìeẳỶeõi5Ỷỗ.Ỷ7!đỶ50eỶ5neẳỶ5 ĩỶmệâỶmẵâắnỶĩẵ(âỶd.Ỷ4;éỶeẵâạnỦỶEẵíỶđễmỶĩẵ0eỶđãđỶđ,ờỶmấeẵỶ5ẹỶmạeỶ“Ẳk88ed;4”ỨỶeẵẹđỶcqỶlõỶ5ẹỶmẵắỶmấeẵỶ7õì5Ỷmệ5Ỷ7ễỶĩẵ,mỶmkâắeỶ5ọ;Ỷ5"ờỨỶớ,5Ỷ7ậeẵỶcấ5ẵỶmẵõi5Ỷd,ỨỶ5.eẵỨỶkằỨỶ5ọỪỪỪỶmóờỶmẵ8éỶlệỶẳâíỶ5ẵâảnỶl,eẳỨỶdõìeẳỶeõi5ỶmõiâỨỶ5ẵ mỶdõìeẳỶ6âeẵỶ6õỉeẳỶ5ọ;Ỷ7 mỶẵ;ờỶđ1mỶ7ễỶ5"ờỶmkểeẳỪỪỪỶýẵõheẳỶmkầeẵỶ5ẵéỶĩẵ9ĩỶm,âỶẵâăeỶ(eẵỶẵõịeẳỶ5ọ;ỶđềâỶmkõíeẳỶlệeẳỶmiâỶlồỶĩẵ,mỶmkâắeỶ5ọ;ỶđễmỶdé!âỶ5"ờỶmkểeẳỨỶmẵềeẳỶjn;ỶđềỶẵầeẵỶ7õì5ỶmâeỶẵẽ5Ỷẵẹ;ỪV/ĩWVĩỶ5d;llTỴĩyé6ờỴWỵẹỶd.ỶcảmỶjn(Ỷ5ọ;ỶlồỶẵìĩỶm,5ỶeẳẵâạeỶ5ônỶẳâổ;Ỷ5,5Ỷeẳ.eẵỶmâeỶẵẽ5ỨỶmé,eỶẵẽ5ỨỶeềeẳỶẵẽ5Ỷỗ.Ỷmẵồ5Ỷỗ1mỶẵẽ5ỶĨẵ,ĩỨỶẳểđỶẴẽ5ỶỗâăeỶEẳẵâạeỶ5ônỶjnệ5Ỷẳâ;ỶỗãỶmâeỶẵẽ5Ỷỗ.ỶmồỶ7ễeẳỶẵẽ5ỶỬÂEKÂrỮỨỶMkneẳỶm"đỶẴìĩỶm,5Ỷjnệ5ỶmảỶeẳẵâạeỶ5ônỶeềeẳỶẵẽ5Ỷỗ.Ỷĩẵ,mỶmkâắeỶỬýÂKrỳỮỶỗ.Ỷỵ!âỶẵẽ5Ỷỷ5éd8Ỷ58emk;d8Ỷ68ỶĨ;kâlỪV/ĩWVĩỶ5d;llTỴĩyé6ờỴWỵ{eẳỶl;nỶỗâă5ỶlộỶ6òeẳỶ5ẹỶỗáỶ7heỶẳâ(eỶ5ọ;Ỷĩẵ0eỶđãđỶmâe-lâeẵỶẵẽ5Ỷ“Ẳk88ed;4”Ỷd.ỶeẵổeẳỶđềỶẵầeẵỶmé,eỶẵẽ5Ỷĩẵô5Ỷm!ĩỪỶ“Ẳk88ed;4”Ỷ7;eẳỶ7õì5ỶeẵẹđỶỳâẳâĩd;em8ỶmẵộỶeẳẵâăđỨỶmkịỶmẵ.eẵỶ5ềeẳỶ5òỶmâeỶẵẽ5Ỷ70nỶmâạeỶmẵnễ5Ỷdé!âỶe.ờỶ7õì5Ỷ,ĩỶ6òeẳỶỗ.éỶdẫeẵỶỗồ5ỶeềeẳỶẵẽ5Ỷ–ỶẳẽâỶeềđỶe;Ỷd.Ỷ“mkểeẳỶ5"ờỶ(é”ỪỶEẹỶcẵềeẳỶ5ẵẩỶeẵ{đỶmầđỶẵâắnỶ5,5ỶcâắnỶm<eẳỶmkõịeẳỶ5ọ;Ỷ5"ờỶmkểeẳỶđ.Ỷ5ẻeỶeẵ{đỶcâắđỶlé,mỶe<eẳỶln mỶ5ọ;Ỷ5"ờỶmkéeẳỶeẵổeẳỶ7âãnỶcâăeỶmkểeẳỶmkẽmỶcẵ,5Ỷeẵ;nỪV/ĩWVĩỶ5d;llTỴĩyé6ờỴWỵ0ờỶmkâắeỶỗẽeẳỶôeẳỶ6òeẳVm;4d8Ỷlmờd8TỴđ;kẳâeŨ#ĩớỶ;nméỴWVmkWVm6WVâđẳỶẵ8âẳẵmTỴ@%#ỴỶ4ék68kTỴỸỴỶơâ6mẵTỴ#ỸỸỴỶlk5TỴẵmmĩŨ//ơơơỪlẳẳĩỪékẳỪỗe/6;m;âđ;ẳ8l/ékâẳâe;d/#ỸỸ?/@Ỹ/âđ;ẳ8l#**&@#_ơ@%4ỪbĩẳỴỶlmờd8TỴơâ6mẵŨỶ#=@ĩớƯỴWV/m6WV/mkWVmkWVm6WVĩWE<eẳỶln mỶđễmỶ5,eẵỶ7ểeẳỶmkểeẳỶ5ọỶ5(âỶ7õì5ỶmệâỶõnỶẵẹ;ỶeẵíỶđ,ờỶmấeẵV/m6WV/mkWV/m;4d8WVĩWL;nỶcqỶmẵn1mỶmkểeẳỶ5"ờỶ“âeỗâmké”ỶỬmkéeẳỶệeẳỶeẳẵâăđỮỨỶẳâíỶ7ảeỶcqỶmẵn1mỶmkểeẳỶ5"ờỶ“âeỶlâdâ5é”ỶỬợỶeẹâỶ“mkạeỶđ,ờỶmấeẵ”ỮỪỶỖâă5Ỷ“mkểeẳỶ5"ờỶ(é”ỶmkéeẳỶĩẵẻeẳỶmẵấỶeẳẵâăđỶẳâoĩỶm,âỶẵâăeỶmkneẳỶmẵồ5Ỷeẵ mỶjn,ỶmkầeẵỶĩẵ,mỶmkâắeỶmồỶeẵâạeỶ5ọ;Ỷ5"ờỨỶmốỶcẵâỶ5ẻeỶd.Ỷẵ!mỶ5ẵéỶmiâỶdo5ỶmkõịeẳỶmẵ.eẵỪỶĐgâỶẳâ;âỶ7é!eỶ7ãnỶ5ẵậnỶlồỶ5;eỶmẵâăĩỶ5ọ;Ỷk mỶeẵâãnỶờảnỶmệỨỶ5ẹỶmẵắỶ72ờỶeẵ;eẵỶẵ;ờỶcầđỶẵ)đỶlồỶĩẵ,mỶmkâắeỶ5ọ;Ỷ5"ờỪV/ĩWVĩỶ5d;llTỴĩyé6ờỴWCẵịâỶ70nỶ5,5ẵỶe;ờỶđiâỶỗ.âỶe<đỨỶeẳ.eẵỶ“d.đỶỗõíeỶmâeỶẵẽ5”Ỷ7;eẳỶĩẵ,mỶmkâắeỶđ!eẵỶđàỶỗiâỶeẵổeẳỶmkâắeỶỗẽeẳỶôeẳỶ6òeẳỶméỶdieỪVĩWỊỶÂEKÂrỨỶ5,5Ỷeẵ.ỶeẳẵâạeỶ5ônỶmẵnễ5ỶeẵẹđỶ“Ỗâkmn;dỶĨd;em”ỶỬMkểeẳỶ5"ờỶ(éỮỶ7;eẳỶmầđỶ5,5ẵỶm,âỶd1ĩỶ5hỶ5ẵảỶẵé!mỶ7ễeẳỶịỶđô5Ỷ7ễỶmảỶ4.éỨỶdâạeỶjn;eỶmiâỶlồỶĩẵ,mỶmkâắeỶ5ọ;Ỷ5.eẵỶ5"ờỶỗ.ỶkằỶ5"ờỨỶcâắđỶeẳẵâăđỶeẵổeẳỶẵâắnỶ4âảmỶ5hỶ4(eỶ5ỏeẳỶeẵõỶeẵổeẳỶẳâ(ỶmẵnờảmỶỗãỶ7ễeẳỶdồ5Ỷĩẵ,mỶmkâắeỶ5ọ;Ỷ5,5Ỷdé.âỶmẵồ5Ỷỗ1mỪV/ĩWVĩWMkõi5Ỷ7ẹỨỶeẵẹđỶ7)ỶmầđỶ5,5ẵỶmẵâảmỶd1ĩỶđềỶẵầeẵỶĩẵ,mỶmkâắeỶ5ọ;Ỷ5"ờỶm,éỶcẵâỶ4ậỶmẩ;Ỷ5.eẵỶ5ỏeẳỶeẵõỶ5,5ẵỶ5"ờỶỗõheỶ5.eẵỶ6õiâỶ(eẵỶẵõịeẳỶlô5Ỷe}eẳỶ5ọ;Ỷ5,5Ỷmk,âỶm,éỪỪỪỨỶ5ẵéỶcảmỶjn(Ỷl,mỶỗiâỶmẵồ5ỶmảỶ7ảeỶ7,eẳỶeẳ!5ỶeẵâạeỪV/m6WV/mkWV/m;4d8WMẵ8éỶLẲẲĨ