rotation cropping 中文意思是什麼
rotation cropping
解釋
輪作栽培-
Wheat - maize rotation is one of the major double cropping systems, taking an important place in grain production in shandong province, about 2. 36 million ha accounting for 54. 5 % of the total cultivated acreage, producing 21. 7 million tonnes grain, 57. 9 % of the total in 1990
小麥-玉米輪作是主要一年兩作制之一，在山東省糧食生產中起重要作用，大約236萬公頃，占總耕地面積的54 . 5 % ，生產2170萬噸糧食，為1990年糧食總產的57 . 9 % 。 -
Effects of long - term crop rotation and continuous cropping on nitrogen in albic soil
長期輪作和連作對白漿土中氮素的影響 -
A synchronization template is used to combat geometrical distortion such as cropping, scaling, and rotation
使用同步模板以抵抗剪切、尺度變化和旋轉等操作帶來的幾何失真。 -
Technique of rotation cropping of wheat, potato and cotton in one year
南陽盆地小麥183 ;馬鈴薯183 ;棉花1年3熟技術研究 -
Abstract : by means of pot, field minispot experiments and analysis indoor, the effects of soybean specific fertilizer on soil enzymes activity and available nutrients were investigated in rotation, soybean continuous cropping system, respectively
文摘:採用盆栽、田間小區控制試驗及室內分析相結合的方法，研究了施用大豆專用肥對連作、輪作大豆土壤酶活性和有效養分的影響。
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