The authors put forward the new technologies for establishing energy-saving solar greenhouse,introduced the techniques of seedling growing,culture,water and fertilizer management in protective cultivation,and discusse...
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The authors put forward the new technologies for establishing energy-saving solar greenhouse,introduced the techniques of seedling growing,culture,water and fertilizer management in protective cultivation,and discussed the significance of protective cultivation.
The results of investigation and analysis showed the sandy vegetation on the south edge of Maowusu Sandy Land is a transitive type from grassland to desert,and can be divided into 19 vegetation sub-type belonging to 5...
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The results of investigation and analysis showed the sandy vegetation on the south edge of Maowusu Sandy Land is a transitive type from grassland to desert,and can be divided into 19 vegetation sub-type belonging to 5 vegetation *** process of vegetation succession can be divided into 4 phases by spatial analysis,*** sparse psammophyte stage,artificail shrub forest stage,artificial shrub-natural semi-shrub-natural herbaceous stage and natural herbaceous dominant stage.
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