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一、产量指标及构成因素1.产量指标:6750～9000千克/公顷。2.产量构成因素:公顷穗数:鲁单981为43500～49500穗,鲁单984为49500～57000穗;穗粒数:鲁单981为540～580粒,鲁单984为470～500粒;千粒重:鲁单981为320～340克,鲁单984为300～330克。二、土壤条件土壤熟化土层深厚,活土?
First, the yield indicators and components 1. Yield indicators: 6750 ~ 9000 kg / ha. 2. Yield components: spikes per hectare: Ludan 981 is 43500 ~ 49500 spikes, Ludan 984 is 49500 ~ 57000 spikes; grain number per spike: 540 ~ 580 Ludan 981, 470 ~ 500 Ludan 984; Thousand grain weight: Ludan 981 is 320 ~ 340 grams, Ludan 984 is 300 ~ 330 grams. Second, soil conditions Soil maturation of soil deep, earth?