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基于修正logistic模型的番茄單個(gè)果實(shí)生長(zhǎng)規(guī)律模擬
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    摘要:

    采集不同季節(jié)、不同密度的番茄種植試驗(yàn)的果實(shí)數(shù)據(jù),結(jié)合環(huán)境(溫度、濕度、光照強(qiáng)度)數(shù)據(jù),建立了基于修正logistic模型的模擬番茄單個(gè)果實(shí)生長(zhǎng)變化的動(dòng)態(tài)模型。用Matlab軟件擬合了模型輸出與試驗(yàn)數(shù)據(jù)。結(jié)果表明,給定密度下不同位置的果實(shí)具有相同庫(kù)容,同穗果實(shí)的直徑存在線性關(guān)系,不同穗果實(shí)之間生長(zhǎng)存在延遲。

    Abstract:

    The tomato planting experiments in different planting densities and seasons were carried out to obtain the fruit growth data. Subsequently, the dynamic model of tomato fruit individual growth was established based on revised logistic model and the environment data (temperature, humidity, light). The experimental data were fit well with model output using Matlab software. The results indicate that tomato fruits grown in different phytomer positions and the same planting density have the same sink size. The linear relationship can be found between the diameters of different fruits with the same truss. Moreover, there is a delay of growth between different truss fruits.

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楊麗麗,王一鳴,康孟珍,董喬雪.基于修正logistic模型的番茄單個(gè)果實(shí)生長(zhǎng)規(guī)律模擬[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(11):81-84.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(11):81-84.

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