sequential cropping

The result showed, comparing with sole cropping, the land use efficiency of sequential cropping, row cropping, crop rotation raised by 62%, 38% and 21%.

结果表明，与单作一熟农田相比，复种、间作及轮作农田土地利用效率分别提高62%、38%和21%；

Five sequential cropping systems including rape/ soybean rice, wheat/ watermelon rice, rape/ corn soybean, wheat sesame and soybean sesame, were selected study the boron balance in agroecosystem on brown red soil of south Hubei Province.

以湖北省咸宁市贺胜桥镇上孟村农田生态系统为研究对象，分析了当地油/豆稻、麦/瓜稻、油/玉米大豆、小麦芝麻、大豆芝麻等5种种植方式的B素平衡。

The unit area yield of sequential cropping, row cropping, crop rotation was 1.63, 1.29 and 1.16 times of sole cropping.

单位面积产量分别为单作一熟农田的1.63、1.29和1.16倍；

The yield and forage quality of sequential cropping silage maize were studied at 5 densities and different harvest height in this paper.

以农大1027组合为材料，在大田条件下分别研究了5种密度及不同收割高度对复播青贮玉米（生长期82d）产量和饲用品质的影响。