Figure 2. Four Seasons Chinese Cabbage under different chicken manure levels in the pot experiment College of Resources and Environment, Shanxi Agricultural University

From

Application of Sludge in a Chinese Cabbage (Brassica Campestris ssp. Chinesis) and Chicken Manure on Grain Protein Concentration, Grain Essential Amino Acid Concentration in Shanxi Province China

Haixia Zheng, Mei Li, Yu Feng, Qingrong Zheng, Zhengming Luo, Yanjun Hou, Yushan Bu, Hafeez Noor

Journal of Food and Nutrition Research. 2022, 10(11), 772-783 doi:10.12691/jfnr-10-11-4