大家在查：莲花山亚热带雨林地带性植被针阔叶混合林鲁中括苍山红色盆地喀斯特丘陵浙闽丘陵东南丘陵

二熟

二熟

二熟

1

Dry land crop and paddy field crop are main vegetation type, the main crop combine are ripe once a year and ripe twice a year.

植被类型以旱地作物和水田作物为主，其作物组合以一年一熟和一年二熟为主。

2

Study on the rational allocation of light and thermal resources for wheat -maize pattern in Longkou and Laizhou

龙口、莱州小麦 -玉米二熟制光热资源合理配置研究

3

Effect of Long-Term Straw Incorporation on Enzyme Activity in Paddy Soil Under Rice-Wheat Rotation in Taihu Region

太湖地区稻麦二熟制下长期秸秆还田对土壤酶活性的影响

4

Situation, potential and strategies of grain production in double cropping region of China

中国二熟耕作区粮食生产现状、潜力与对策

5

Techniques of return all straws to field in the rice-wheat double cropping system of southern Jiangsu

苏南稻麦二熟区秸秆全量机械还田技术

6

Study on Evolvement Regularitiesand Strategiesof Farming Systeminthe Double Cropping Region , China

中国二熟耕作区耕作制度演变规律及对策研究

热词推荐

大家在看