Forage crop rotation and it’s benefit in the purple farming area of Sichuan province

Abstract

Abstract: The aim of this study was to introduce forage crops as a main rotation crop, and to establish an efficient crop rotation suitable for the slope arable land of the purple soil area in Sichuan. A completely randomized block design was used with three replicates during three years of study. Compared with that from the CK, the yields of fresh forage, feedstuff dry matter and crude protein were promoted by 800%-900%, 50%, and 100%, respectively under a crop rotation with wheat and ryegrass, or with oats in winter and with grass sorghum and chicory in summer. The benefit of wheat was more than 30% and the yield was maintained. The new crop rotations can maintain foodstuff yield in the purple soil area, and at the same time, can improve the yields of feedstuffs, thereby providing security of high quality feedstuff for stockbreeding. These are sustainable crop rotations in the slope purple farming area of Sichuan province.

CLC Number:

PANG Liang-yu, ZHANG Hong, LUO Chun-yan, HUANG Jing-jing, FU Deng-wei, FENG Wen-qiang, LIN Chao-wen, ZHANG Xin-quan. Forage crop rotation and it’s benefit in the purple farming area of Sichuan province[J]. Acta Prataculturae Sinica, 2010, 19(3): 110-116.

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