The results showed that intercropping improved iron nutrition of peanut.

结果表明，间作对花生的铁营养状况有很大的影响。

Intercropping is the most potential for increasing grain yield in arid regions.

间作多熟种植是干旱地区最具增产潜力的栽培模式。

The soil moisture with intercropping was 3~4% higher than the control in summer.

试验地比对照土壤湿度高，其中夏季高3～4%，种草有保持水分的作用；

Rubber trees intercropping with Alpinia villosum was the best to improve soil fertility.

以橡胶间种砂仁对土壤肥力的提高最为理想。

The whole intercropping system had obvious advantage of the biological and economical output.

整个间作系统有明显的地上生物产量和经济产量优势。

The results showed that the intercropping of chestnut and tea stimulated the roots growth of tea.

结果表明：栗茶间作促进了茶树根系的生长。

It is suggested that intercropping is the main cause of yield advantage and edge effect of wheat.

间作是形成小麦产量和边行优势的主要原因。

Intercropping dry rice and maize is a kind of planting form that high and low two crops cooperate seasonally.

旱稻、玉米间作栽培是高矮两种作物按一定的种植比例合理搭配的一种栽培形式。

Rational intercropping can increase not only crop yields, but also iron absorption and utilization and diseases control.

合理间作不但有提高作物产量优势，而且铁的吸收利用效率也会提高，对病害控制有所加强。

Intercropping, due to the more effective use of resources and high productivity, is practiced widely in northwestern China.

间作由于具有充分利用资源和增加作物产量的特点，在我国西北地区广泛应用。

N competition between barley and pea was positively correlated with N use efficiency in the intercropping plant population.

大麦相对于豌豆的氮素竞争比率与间作群体氮肥利用率呈显著正相关关系。

The main conclusions can be drawn as follows: (1) Intercropping could obviously improve soil physical and chemical properties.

主要结论如下：(1)林粮间作能较好地改善土壤物理和化学性质。

Such intercropping is also a natural way of fertilizing: the legumes growing at the base of the taller sorghum add nitrogen to the soil.

这样的间作也是一种天然施肥方式：豆子在较高的高粱底部生长，可为土壤增添氮。

Therefore, it can be concluded that intercropping white clover and straw mulching is an effective ecological measure for weeds control.

这表明稻草覆盖和间种白三叶草能改变茶园杂草群落结构，有效控制杂草生长，增加茶叶产量和改善茶叶品质。

The final best intercropping model also depend on social, economic and ecological condition of local area and it's development emphasis.

而最佳的动态间作模式还要取决于当地的社会、经济和生态条件，取决于对粮食生产、经济收入和木材收获的侧重点的不同。

The optimized dynamic models of paulownia and grain intercropping were studied by using dynamic Programming and Analytic Hierarchy Process.

应用动态规划和层次分析法研究了桐粮间作的动态优化模式。

The results indicated that the solar radiation intensity under the rubber crown canopy was reduced along with the intercropping layer added.

结果表明，随着林内层次的增加，林内太阳辐射量急剧减少；

Contour hedgerow intercropping is regarded as an effective and low-cost technology for conserving farming and sustainable use of sloping land.

等高植物篱技术是一种坡耕地上低投入、高收益的保护性耕作和持续利用技术。

The intercropping system can not only increase quality and output yield of crops, but also increase the paulownia volume and economical benefit.

桐粮间作能在一定程度上提高农作物品质和产量，且能增加泡桐材积，提高经济效益。

Day change of intercropping wheat's transpiration intensity and that of wheat in field is unimodal, and the anterior is stronger than the latter.

杨树人工林间作小麦与大田中小麦的蒸腾速率日变化规律均是单峰型，间作小麦蒸腾速率总体高于大田中小麦。

Optimal allocation of field structure in different yield levels in relay intercropping of maize and wheat could be confirmed by frequency analysis.

利用频数分析法可分别确定米麦间套作不同产量水平田间结构的优化配置。

The intercropping advantages, in light resource capture and utilization, were to raise PAR capture efficiency rather than its conversion efficiency.

间作优势在光资源的捕获利用方面的表现主要是其提高了PAR的捕获效率而非利用效率。

The effect of root barrier on wheat growth and yield was studied in the system of poplar young growth intercropping with wheat by means of farm testing.

采用田间试验的方法，研究杨树幼林与小麦间作系统中，设置根障对小麦生长和产量的影响。

Pot experiments were conducted to investigate the nitrogen uptake and utilization and biomass yield in soybean and maize intercropping or mono culture system.

通过盆栽试验，研究玉米、大豆间作及相应单作不同时期氮素吸收利用及生物学产量的差异。

Increased the application of nitrogen can relax the competition in relay intercropping system, and improve the yield and nutritive values of whole-crop forage.

合理增施氮肥可以缓解复合群体的竞争而使营养价值显著提高。

Thus there should be studies for finding an optimal fertilizer schedule based on a cropping system including intercropping systems rather than for a single crop only.

因此，应该研究包括间作在内的种植制度而不仅为某种作物寻找合适的施肥方案。

The nutrient availability, microbe number and enzyme activity of rhizosphere soil in the intercropping system are significantly higher than those in the single culture.

与单作相比，间作体系中的玉米、大豆根际土壤养分有效性、根际土壤微生物数量、根际土壤酶活性均显著高于相应单作根际土壤。

The field experiment was conducted to study the effects of flue-cured tobacco and sweet clover (Melilotus officinalis lam.) intercropping on diseases occurrence of tobacco.

通过田间试验，研究了烤烟与草木樨间作对烟草病害的控制效果。

The results indicated that under the intercropping condition, maize biological output and economical output increased by 38.73% and 23.4% than those of single maize cultivation.

结果表明，间作体系中的玉米地上生物学产量和经济产量较单作玉米增加38.73%和23.4%，增产显著。

The intercropping patterns of soybean and corn have been studied by using random experiment plots, in order to find which intercropping pattern could influence corn yield mostly.

运用随机区组试验对玉米与大豆不同间作方式进行研究，以期获得不同间作方式对玉米产量影响最大的间作方式的表现。