triple cropping

Studies on the Cultural Techniques for A Triple-cropping System Including Hybrid Rice

杂交水稻春制晚杂油菜三熟高产栽培配套技术研究

Balance of soil organic matter in a long-term triple cropping system in paddy fields

多熟制稻田土壤有机质平衡的定位研究

A Study on the 25 Year's Successive Triple Cereal Cropping ( Barley Rice Rice) in a Paddy Field

稻田25年定位连种麦-稻-稻三熟制的研究

A 25 year's ( 1974~ 1998) long term triple cereal cropping ( rarley rice rice) experiment was conducted at a water logged paddy soil developed from recent marine deposite with clayey loam texture with medium fertility.

在发育于近代浅海沉积物的黄化青紫泥田的潴育型水稻土上进行为时25年（1974～1998）连作麦-稻-稻三熟制高产小区定位试验。

Field experiment method was adopted in this peper to study the rational fertilizer amount and the compostion applied to the relay croped spring corn in the wheat-corn-rice triple cropping system in the South Jiangsu district.

采用田间试验的方法，对苏南地区麦玉米稻三熟制中套作春玉米的合理施肥量和肥料配比进行了研究。

The Ecological and Economical Adaptability of Wheat-Corn-Rice Triple Cropping System in the Region of Middle and Southern Jiangsu Province

江苏中南部地区麦玉米稻新三熟制的生态与经济适应性分析

Its weather conditions permit triple cropping and its output can have significant ramification on global food commodity prices.

那里的气候条件可以一年进行三次收割，同时它的粮食价格对周边国家的影响都起着不小作用。

Change in Crop Yields Soil Nitrogen, Phosphorus, Potassium, and Organic Matter in a Long-term Triple Cereal Cropping System

长期三熟制下谷物产量和土壤氮磷钾及有机质性状的演化

A long term field experiment of a triple cereal cropping system ( barley double rice) has been carried on for 26 yrs.

在麦稻稻三熟制下进行了连续26年定位试验。