Vermicompost và vermiwash như là phụ gia cải thiện sự nảy mầm, tăng trưởng cây và năng suất trong Linum usitassimum L. cho nông nghiệp hữu cơ

Cinny Makkar1, Jaswinder Singh2, Chander Parkash1
1Department of Applied Sciences, I.K.G. Punjab Technical University, Kapurthala, India
2Department of Zoology, Khalsa College, Amritsar, India

Tóm tắt

Nghiên cứu sản xuất hữu cơ ở hai giống cây Linu (Hạt lanh) sử dụng các tỉ lệ khác nhau của phân vermicompost và sự kết hợp của vermiwash như một sự thay thế thân thiện với môi trường cho phân bón hóa học trong sản xuất hữu cơ hạt lanh. Phân vermicompost được chuẩn bị từ phân bò được trộn với các tỉ lệ khác nhau, cụ thể là 0, 20, 40, 60, 80 và 100% phân vermicompost v/v với đất và phương tiện trồng thương mại (Perlite, Peat và xơ dừa). Để nghiên cứu sự nảy mầm, tăng trưởng sinh dưỡng, tăng trưởng sinh sản và năng suất ở hai giống Linum usitassimum L. LC-54 và LC-2063 được trồng trong nhà kính trong 2 năm thử nghiệm. Tổng cộng 960 cây con và 240 cây đã được nghiên cứu để đánh giá kết quả trong 24 chế độ xử lý. Các chế độ bổ sung với việc phun lá hỗn hợp vermiwash tỉ lệ 1:1 v/v và liều lượng phân vô cơ khuyến nghị đã được thực hiện để xác định và so sánh vai trò của vermicompost, vermiwash và phương pháp chăm sóc vô cơ. Việc thay thế đất bằng 60% (v/v) vermicompost ở LC-54 và 40% (v/v) vermicompost ở LC-2063 đã cải thiện hiệu suất của hạt giống, hình thái rễ và tăng trưởng thân. Chu kỳ sống của cây đã bị rút ngắn ở hai giống hạt lanh được trồng dưới các chế độ xử lý khác nhau của vermicompost và vermiwash. Hiệu suất của LC-54 tốt hơn ở tỉ lệ 60% và LC-2063 tốt hơn ở tỉ lệ 40%, điều này có thể được quy cho sự khác biệt về kiểu gen của chúng. Tỷ lệ vermicompost trên 60% không có tác dụng ở bất kỳ giai đoạn nào của chu kỳ sống ở cả hai giống Linum. Sự nảy mầm và năng suất đã được cải thiện hơn nữa khi việc phun lá của vermiwash được kết hợp với vermicompost cho việc quản lý dinh dưỡng so với chế độ phân bón hóa học khuyến nghị và đối chứng. Hiệu quả sinh học của vermicompost và vermiwash cho sản xuất cây hạt lanh hữu cơ đã được thiết lập với năng suất tăng cao.

Từ khóa

#Linum usitassimum #phân vermicompost #vermiwash #nông nghiệp hữu cơ #năng suất cây trồng #sinh trưởng cây.

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