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land preparation method
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  整地方式
     The effect of fertilization under different land preparation methods, such as flat, ridge, and localized compaction and ridge land preparation method (LCR) on corn (Zea mays L.) yields, nitrogen use efficiency (NUE) and water use efficiency (WUE), was studied by a two-year field experiment.
     通过连续两年田间试验研究了平作、垄沟及成垄压实等不同整地方式条件下施肥对夏玉米产量、氮肥利用率(NUE)及水分利用效率(WUE)的影响。
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  相似匹配句对
     Effect of Different Land Preparation Methods on Forestation Quality
     不同整地方式对造林质量的影响
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     On Land Lease
     土地租赁论
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  land preparation method
Fire use: Is it really the cheaper land preparation method for large-scale plantations
      


Under two different types of climate in loess hilly and gully region,following three aspects were studied, namely(1) four general land preparation methods applied to different scale, (2)Soil water moving patern nearby tree plantinghole when different scale of rainwater runoff collecting method adapted,and (3)effect of the technique on both youngand old aforestation tree species growth. Results supplied both the suit size or scalp for land preparation to collect rain-water runoff and required...

Under two different types of climate in loess hilly and gully region,following three aspects were studied, namely(1) four general land preparation methods applied to different scale, (2)Soil water moving patern nearby tree plantinghole when different scale of rainwater runoff collecting method adapted,and (3)effect of the technique on both youngand old aforestation tree species growth. Results supplied both the suit size or scalp for land preparation to collect rain-water runoff and required areas to collect in case of different purpose. The results also provided scientificinformation todrought-resisting aforestation in the region.

在黄土丘陵区两个不同的半干旱气候类型区,研究了四种常用的整地方法,以及在采用不同集流整地规格时,植树穴附近土壤水分变化规律及对该区几种常用造林树种的幼龄、成龄林生长发育的影响。从而得出适宜的集流整地规格和不同树种,用作不同目的时所需的集流面积,为该区抗旱造林提供科学依据。

The effect of fertilization under different land preparation methods, such as flat, ridge, and localized compaction and ridge land preparation method (LCR) on corn (Zea mays L.) yields, nitrogen use efficiency (NUE) and water use efficiency (WUE), was studied by a two-year field experiment. The results showed that the yields and its main factors such as weight of an ear, grains of an ear and weight of 500 grains, were slightly influenced by fertilization under different land preparation methods...

The effect of fertilization under different land preparation methods, such as flat, ridge, and localized compaction and ridge land preparation method (LCR) on corn (Zea mays L.) yields, nitrogen use efficiency (NUE) and water use efficiency (WUE), was studied by a two-year field experiment. The results showed that the yields and its main factors such as weight of an ear, grains of an ear and weight of 500 grains, were slightly influenced by fertilization under different land preparation methods because the water movement and distribution was changed by land preparation methods. The yield and its main factors of flat were less than that of ridge and LCR. Compared with flat, the corn grain yields of ridge and LCR were increased by 4.2%~6.3% and 9.5%~10.3%. However, there was little difference between yields and its main factors of ridge and LCR. Otherwise, the NUE and plant nitrogen distribution were significantly affected by fertilization under different land preparation methods. Compared with flat, the NUE was increased by 9.1%~9.6% under LCR land preparation method, and the NUE was increased by more than 5% compared with traditional ridge land preparation method. The grain nitrogen content was enhanced by LCR land preparation method. No significant effects on WUE of corn by land preparation methods were found in this experiment.

通过连续两年田间试验研究了平作、垄沟及成垄压实等不同整地方式条件下施肥对夏玉米产量、氮肥利用率(NUE)及水分利用效率(WUE)的影响。结果表明,不同整地方式因影响田间土壤水分、养分的运动和分布,从而进一步影响到施肥效果,故不同整地方式条件下施肥可影响玉米产量及主要产量构成因素,如穗重、穗粒数、500粒重等。平地条件下玉米生物学产量及籽粒产量及其主要构成因素最小,成垄压实与垄沟条件下分别较平地条件下提高玉米籽粒产量9.5%~10.3%和4.2%~6.3%。成垄压实与垄沟条件下玉米产量构成因素差异不大。不同整地方式下施肥,会明显影响作物对氮素的吸收利用及其在植株体内的分配,成垄压实施肥较平作施肥可提高氮肥利用率9.1%~9.6%,达1%显著水平。与传统的垄作施肥相比,成垄压实施肥仍可提高氮肥利用率5%以上,而且成垄压实施肥较传统的平作和垄作施肥还可以提高玉米籽粒含氮量。试验条件下土壤水分利用效率受整地施肥方式影响较小。

Land preparation experiment of introduced mulberry variety named "big 10" was conducted at the mulberry cultivation base located at Kaiyuan city of Yunnan province. The experimental results showed that mulberry performed quite different under different land preparation methods. The mulberry trees under the treatment of digging trench showed vigorous growth, and the highest individual fruiting amount and leaf production. Next comes the performance of cleaning forest land, overall reclamation...

Land preparation experiment of introduced mulberry variety named "big 10" was conducted at the mulberry cultivation base located at Kaiyuan city of Yunnan province. The experimental results showed that mulberry performed quite different under different land preparation methods. The mulberry trees under the treatment of digging trench showed vigorous growth, and the highest individual fruiting amount and leaf production. Next comes the performance of cleaning forest land, overall reclamation and digging holes. The growth performance of mulberry tree under the treatment of direct digging holes was the worst, both fruiting and tree growth condition were undesirable.

利用引入的“大 10”果桑品种于开远市果桑基地进行不同整地方式的种植试验, 试验结果表明: 不同的整地方式对果桑的生长及结实产生显著的影响。经撩壕沟整地定植的果桑其树体长势旺, 单株结实量和产叶量最高, 其次为全垦整地挖穴定植的果桑, 直接挖穴定植的果桑结实极差, 长势也不好。

 
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