spring cropping 中文意思是什麼

spring cropping 解釋
春季耕作
  • spring : n 1 春季,春天。2 青春;初期。3 〈pl 〉大潮時期。4 泉。5 源頭,水源,根源,本源;發生;動機,原動...
  • cropping : 裁邊
  1. Main results are generalized as follows : in dry year, coupling fitness of water requirement to rainfall reaches 90 % for sorghum and spring millet during crop ' s growth and reproductive season in shunyi county, while 85 % for peanut and soybean, 70 % for spring com and cotton, 65 % for alfalfa, and 55 % for cropping pattern of rice followed by wheat

    主要結論包括: 1 )順義區乾旱年型下,高粱和春谷全生育期需水與降水的耦合度達到90 ;花生和春大豆其次,達到85 ;春玉米和棉花為70 ;苜蓿65 ;水稻和冬小麥?夏作物組合耦合度只有55 。需水量和灌溉定額則與耦合度大小相反。
  2. Dynamic changes of soil temperature in wheat - spring cotton relay cropping system during theirs common growing period

    麥套春棉共生期間土壤溫度的動態變化
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