In view of the problems of completely depending on rain, low and unstable yield and complicated planting of dry land foxtail millet, the light simplified cultivation techniques of wide row and double ridge with filmin...In view of the problems of completely depending on rain, low and unstable yield and complicated planting of dry land foxtail millet, the light simplified cultivation techniques of wide row and double ridge with filming, fertilizing and sowing on one for foxtail millet was formed through the integration of plastic film mulching technology and mechanized production technology by Institute of Millet crops of Hebei Academy of Agriculture and Forestry Sciences, and the techniques were introduced from the key technologies of pre-sowing preparation, sowing, supporting equipment, field management, harvesting, plastic film recycling.展开更多
In order to efficiently solve the shading problem between the upper layer and lower layer in the same cultivation system and between adjacent cultivation systems in multi-layer stereo-cultivation of strawberry,and to ...In order to efficiently solve the shading problem between the upper layer and lower layer in the same cultivation system and between adjacent cultivation systems in multi-layer stereo-cultivation of strawberry,and to improve the fixed A-frame system,a novel cultivation system-sun-tracking system was developed that could keep north-south line of cultivation frame parallel to sunray to make the best use of direct light.In this study,crop canopy light condition of sun-tracking and fixed systems were tested and compared.Results showed that integrated PPF of sun-tracking system is higher than that of fixed system in both middle and lower layers.On sunny day compared with fixed system,integrated PPF on middle and lower layer of suntracking system increased by 16.0%,9.1% in January and 19.6%,4.1% in February,while on cloudy day improvement on light condition of sun-tracking system is not evident as sunny days.Thus sun-tracking system can effectively alleviate shading problem between layers and improve plant canopy light environment.展开更多
基金Supported by the National Key Technology R&D Program(2014BAD07B01-02)the Science and Technology Demonstration Project of Bohai Granary in Hebei Provincethe Special Fund for Agro-scientific Research in Public Interest(201303133-1-6)~~
文摘In view of the problems of completely depending on rain, low and unstable yield and complicated planting of dry land foxtail millet, the light simplified cultivation techniques of wide row and double ridge with filming, fertilizing and sowing on one for foxtail millet was formed through the integration of plastic film mulching technology and mechanized production technology by Institute of Millet crops of Hebei Academy of Agriculture and Forestry Sciences, and the techniques were introduced from the key technologies of pre-sowing preparation, sowing, supporting equipment, field management, harvesting, plastic film recycling.
基金Supported by National Science and Technology Plan Project"Five"in Rural Areas--Plant Factory Perspective Multilayer Cultivation System and Its Key Technology and Equipment Research(2013AA103002)Modern Agricultural Industry Technology System Construction Special(CARS-25-06B)
文摘In order to efficiently solve the shading problem between the upper layer and lower layer in the same cultivation system and between adjacent cultivation systems in multi-layer stereo-cultivation of strawberry,and to improve the fixed A-frame system,a novel cultivation system-sun-tracking system was developed that could keep north-south line of cultivation frame parallel to sunray to make the best use of direct light.In this study,crop canopy light condition of sun-tracking and fixed systems were tested and compared.Results showed that integrated PPF of sun-tracking system is higher than that of fixed system in both middle and lower layers.On sunny day compared with fixed system,integrated PPF on middle and lower layer of suntracking system increased by 16.0%,9.1% in January and 19.6%,4.1% in February,while on cloudy day improvement on light condition of sun-tracking system is not evident as sunny days.Thus sun-tracking system can effectively alleviate shading problem between layers and improve plant canopy light environment.
