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Evaluation of Nutritive Values through Comparison of Forage Yield and Silage Quality of Mono-Cropped and Intercropped Maize-Soybean Harvested at Two Maturity Stages

Author

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  • Maw Ni Soe Htet

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Jiang-Bo Hai

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Poe Thinzar Bo

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Xiang-Wei Gong

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Chun-Juan Liu

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Ke Dang

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Li-Xin Tian

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Rab Nawaz Soomro

    (Key Laboratory of Animal Nutrition and Healthy Feeding, College of Animal Science and Technology, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Khaing Lin Aung

    (State Key Laboratory of Vegetable Crops Stress Biology for Arid Areas, College of Horticulture, Northwest A&F University, Yangling District, Xianyang 712100, China)

  • Bai-Li Feng

    (State Key Laboratory of Crop Physiology and Tillage in Northwestern Loess Plateau, College of Agronomy, Northwest A&F University, Yangling District, Xianyang 712100, China)

Abstract

Maize and soybean intercropping is a cereal-legume intercropping pattern that not only increases grain yield but also improves the nutritional value of silage. Experiments were conducted in the summer season to compare the yield and nutritional composition of the forage and silage quality of mono-cropped maize and intercropped maize-soybean harvested at two stages of maturity. The main treatments were one sole crop maize (SM) and four maize-soybean intercropping patterns (one-row maize to one-row soybean (1M1S), one-row maize to two-row soybean (1M2S), one-row maize to three-row soybean (1M3S), and two-row maize to one-row soybean (2M1S). The crops were harvested when the maize reached the milk (R3) and maturity (R6) stages. Results indicated a significant increase in the fresh biomass and dry-matter production of maize fodder alone compared with those of maize intercropped with soybean fodder. After 60 days of ensiling period, silage samples were analyzed for pH, organic acids, dry matter, crude protein (CP), ether extract, neutral detergent fiber (NDF), acid detergent fiber (ADF), and other mineral compositions. All intercropped silages showed higher CP values (1M1S, 12.1%; 1M2S, 12.2%; 1M3S, 12.4%; and 2M1S, 12.1%) than the SM silage (8.7%). Higher organic acids were produced in 1M3S than in the other silages. Correlation data showed that CP was highly correlated with lactic acid but negatively associated with crude fiber, nitrogen-free extract, and NDF. Thus, the intercropping of maize and soybean silage is recommended due its enhanced crop production, nutritional values in dairy animals, and prolific animal feedings and because it was scientifically evaluated as a feed stuff. This study indicated that 1M3S was the most preferable among intercropped silages in terms of nutrient composition.

Suggested Citation

  • Maw Ni Soe Htet & Jiang-Bo Hai & Poe Thinzar Bo & Xiang-Wei Gong & Chun-Juan Liu & Ke Dang & Li-Xin Tian & Rab Nawaz Soomro & Khaing Lin Aung & Bai-Li Feng, 2021. "Evaluation of Nutritive Values through Comparison of Forage Yield and Silage Quality of Mono-Cropped and Intercropped Maize-Soybean Harvested at Two Maturity Stages," Agriculture, MDPI, vol. 11(5), pages 1-14, May.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:5:p:452-:d:556034
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    References listed on IDEAS

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    1. Egon Henrique Horst & Secundino López & Mikael Neumann & Francisco Javier Giráldez & Valter Harry Bumbieris Junior, 2020. "Effects of Hybrid and Grain Maturity Stage on the Ruminal Degradation and the Nutritive Value of Maize Forage for Silage," Agriculture, MDPI, vol. 10(7), pages 1-17, July.
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    Cited by:

    1. Maw Ni Soe Htet & Honglu Wang & Vivek Yadav & Thongsouk Sompouviseth & Baili Feng, 2022. "Legume Integration Augments the Forage Productivity and Quality in Maize-Based System in the Loess Plateau Region," Sustainability, MDPI, vol. 14(10), pages 1-17, May.
    2. Lech Gałęzewski & Iwona Jaskulska & Dariusz Jaskulski & Edward Wilczewski & Marek Kościński, 2022. "Strip Intercrop of Barley, Wheat, Triticale, Oat, Pea and Yellow Lupine—A Meta-Analysis," Sustainability, MDPI, vol. 14(23), pages 1-21, November.

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